100 MCQ on Computer Application
Which of the following is the main function of the CPU?
- A. Storing data
- B. Executing instructions
- C. Input and output
- D. Networking
- Answer: B
Which of the following is the primary storage device of a computer?
- A. Hard disk
- B. RAM
- C. ROM
- D. CD-ROM
- Answer: B
Which of the following is an example of an output device?
- A. Monitor
- B. Keyboard
- C. Mouse
- D. Printer
- Answer: A
Which of the following is an example of an input device?
- A. Monitor
- B. Keyboard
- C. Mouse
- D. Printer
- Answer: B
Which of the following is an operating system?
- A. Microsoft Windows
- B. Linux
- C. macOS
- D. All of the above
- Answer: D
Which of the following is a word processing software?
- A. Microsoft Word
- B. Google Docs
- C. LibreOffice Writer
- D. All of the above
- Answer: D
Which of the following is a spreadsheet software?
- A. Microsoft Excel
- B. Google Sheets
- C. LibreOffice Calc
- D. All of the above
- Answer: D
Which of the following is a presentation software?
- A. Microsoft PowerPoint
- B. Google Slides
- C. LibreOffice Impress
- D. All of the above
- Answer: D
Which of the following is a database software?
- A. Microsoft Access
- B. MySQL
- C. Oracle
- D. All of the above
- Answer: D
Which of the following is a web browser?
- A. Google Chrome
- B. Mozilla Firefox
- C. Microsoft Edge
- D. All of the above
- Answer: D
What is the full form of RAM?
- A. Random Access Memory
- B. Read Only Memory
- C. Real Time Memory
- D. Reduced Access Memory
- Answer: A
What is the full form of ROM?
- A. Read Only Memory
- B. Random Access Memory
- C. Real Time Memory
- D. Reduced Access Memory
- Answer: A
What is the full form of CPU?
- A. Central Processing Unit
- B. Central Processing Utility
- C. Central Processing Unit
- D. Central Processing Unit
- Answer: A
What is the full form of GUI?
- A. Graphical User Interface
- B. Graphical Utility Interface
- C. Graphical User Inference
- D. Graphical User Insertion
- Answer: A
What is the full form of OS?
- A. Operating System
- B. Operating Scheme
- C. Operating Structure
- D. Operating Solution
- Answer: A
What is the full form of LAN?
- A. Local Area Network
- B. Local Access Network
- C. Local Agreement Network
- D. Local Adaptation Network
- Answer: A
What is the full form of WAN?
- A. Wide Area Network
- B. Wide Access Network
- C. Wide Agreement Network
- D. Wide Adaptation Network
- Answer: A
What is the full form of WWW?
- A. World Wide Web
- B. World Wide Worksheet
- C. World Wide Wire
- D. World Wide Word
- Answer: A
What is the full form of HTTP?
- A. HyperText Transfer Protocol
- B. HyperText Transfer Procedure
- C. HyperText Transfer Process
- D. HyperText Transfer Policy
- Answer: A
What is the full form of HTTPS?
- A. HyperText Transfer Protocol Secure
- B. HyperText Transfer Procedure Secure
- C. HyperText Transfer Process Secure
- D. HyperText Transfer Policy Secure
- Answer: A
What is the difference between RAM and ROM?
- A. RAM is volatile memory, while ROM is non-volatile memory.
- B. RAM is permanent memory, while ROM is temporary memory.
- C. RAM is used to store data, while ROM is used to store instructions.
- D. RAM is used to store programs, while ROM is used to store data.
- Answer: A
What is the function of the BIOS?
- A. It boots the computer.
- B. It manages the hardware.
- C. It provides a user interface.
- D. All of the above.
- Answer: D
What is the difference between a virus and a worm?
- A. A virus needs a host program to run, while a worm can run independently.
- B. A virus can only spread through removable media, while a worm can spread over a network.
- C. A virus is a self-replicating program, while a worm is not.
- D. All of the above.
- Answer: C
What is the difference between a Trojan horse and a backdoor?
- A. A Trojan horse is a malicious program that masquerades as a legitimate program, while a backdoor is a hidden way into a computer system.
- B. A Trojan horse can only steal data, while a backdoor can also be used to control the computer system.
- C. A Trojan horse is installed by the user, while a backdoor is installed by the attacker.
- D. All of the above.
- Answer: A
What is the difference between a denial-of-service attack and a distributed denial-of-service attack?
- A. A denial-of-service attack is an attack that makes a website or service unavailable, while a distributed denial-of-service attack is an attack that uses multiple computers to make a website or service unavailable.
- B. A denial-of-service attack is an attack that is launched from a single computer, while a distributed denial-of-service attack is an attack that is launched from multiple computers.
- C. A denial-of-service attack is an attack that is launched by a hacker, while a distributed denial-of-service attack is an attack that is launched by a botnet.
- D. All of the above.
- Answer: A
What is the difference between a firewall and an antivirus software?
- A. A firewall protects a computer from unauthorized access, while an antivirus software protects a computer from malware.
- B. A firewall is a hardware device, while an antivirus software is a software program.
- C. A firewall is used to filter network traffic, while an antivirus software is used to scan files for malware.
- D. All of the above.
- Answer: A
What is the difference between a web browser and an email client?
- A. A web browser is used to access websites, while an email client is used to send and receive emails.
- B. A web browser is a software program, while an email client is a hardware device.
- C. A web browser is used to view web pages, while an email client is used to compose and read emails.
- D. All of the above.
- Answer: A
What is the difference between a file and a folder?
- A. A file is a unit of data, while a folder is a container for files.
- B. A file is a physical object, while a folder is a logical object.
- C. A file can only be opened by one program, while a folder can be opened by multiple programs.
- D. All of the above.
- Answer: A
What is the difference between a hard disk drive and a solid-state drive?
- A. A hard disk drive uses spinning disks to store data, while a solid-state drive uses flash memory to store data.
- B. A hard disk drive is slower than a solid-state drive.
- C. A hard disk drive is more durable than a solid-state drive.
- D. All of the above.
- Answer: A
Which of the following is a programming language?
- A. Java
- B. Python
- C. C++
- D. All of the above
- Answer: D
Which of the following is a scripting language?
- A. JavaScript
- B. PHP
- C. Ruby
- D. All of the above
- Answer: D
Which of the following is a markup language?
- A. HTML
- B. CSS
- C. XML
- D. All of the above
- Answer: D
Which of the following is a database management system?
- A. MySQL
- B. Oracle
- C. Microsoft SQL Server
- D. All of the above
- Answer: D
Which of the following is a cloud computing service?
- A. Amazon Web Services
- B. Microsoft Azure
- C. Google Cloud Platform
- D. All of the above
- Answer: D
Which of the following is a social networking site?
- A. Facebook
- B. Twitter
- C. LinkedIn
- D. All of the above
- Answer: D
Which of the following is a search engine?
- A. Google
- B. Bing
- C. Yahoo!
- D. All of the above
- Answer: D
Which of the following is a video streaming service?
- A. Netflix
- B. Hulu
- C. Amazon Prime Video
- D. All of the above
- Answer: D
Which of the following is a music streaming service?
- A. Spotify
- B. Apple Music
- C. Amazon Music
- D. All of the above
- Answer: D
Which of the following is a cloud gaming service?
- A. Google Stadia
- B. NVIDIA GeForce Now
- C. Amazon Luna
- D. All of the above
- Answer: D
Which of the following is a virtual reality headset?
- A. Oculus Quest 2
- B. HTC Vive
- C. PlayStation VR
- D. All of the above
- Answer: D
What is the most common type of network?
- A. LAN
- B. WAN
- C. MAN
- D. PAN
- Answer: A
What is the difference between a LAN and a WAN?
- A. A LAN is a local area network, while a WAN is a wide area network.
- B. A LAN is a private network, while a WAN is a public network.
- C. A LAN is a network that covers a small area, while a WAN is a network that covers a large area.
- D. All of the above.
- Answer: D
What is the difference between a MAN and a WAN?
- A. A MAN is a metropolitan area network, while a WAN is a wide area network.
- B. A MAN is a network that covers a city, while a WAN is a network that covers a country or continent.
- C. A MAN is a private network, while a WAN is a public network.
- D. All of the above.
- Answer: B
What is the difference between a client and a server?
- A. A client is a computer that requests resources from a server, while a server is a computer that provides resources to clients.
- B. A client is a software program that requests resources from a server, while a server is a hardware device that provides resources to clients.
- C. A client is a physical object, while a server is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a web server and an application server?
- A. A web server is a server that delivers web pages, while an application server is a server that runs applications.
- B. A web server is a hardware device, while an application server is a software program.
- C. A web server is a physical object, while an application server is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a proxy server and a firewall?
- A. A proxy server is a server that acts as an intermediary between a client and a server, while a firewall is a device that protects a network from unauthorized access.
- B. A proxy server is a hardware device, while a firewall is a software program.
- C. A proxy server is a physical object, while a firewall is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a router and a switch?
- A. A router is a device that connects networks, while a switch is a device that connects devices on the same network.
- B. A router is a hardware device, while a switch is a software program.
- C. A router is a physical object, while a switch is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a hub and a switch?
- A. A hub is a device that connects devices on the same network, while a switch is a device that connects devices on the same network and forwards traffic to the correct device.
- B. A hub is a hardware device, while a switch is a software program.
- C. A hub is a physical object, while a switch is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a modem and a router?
- A. A modem is a device that converts analog signals to digital signals and vice versa, while a router is a device that connects networks.
- B. A modem is a hardware device, while a router is a software program.
- C. A modem is a physical object, while a router is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a Wi-Fi and a Bluetooth?
- A. Wi-Fi is a wireless network that uses radio waves to transmit data, while Bluetooth is a wireless network that uses radio waves to transmit data over a short distance.
- B. Wi-Fi is a faster network than Bluetooth.
- C. Wi-Fi is a more secure network than Bluetooth.
- D. All of the above.
- Answer: A
What is the difference between a web browser and a search engine?
- A. A web browser is a software program that allows users to view web pages, while a search engine is a website that allows users to search for information on the web.
- B. A web browser is a hardware device, while a search engine is a software program.
- C. A web browser is a physical object, while a search engine is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a website and a web page?
- A. A website is a collection of web pages, while a web page is a single document that is displayed on the web.
- B. A website is a software program, while a web page is a hardware device.
- C. A website is a physical object, while a web page is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a URL and a web address?
- A. A URL is a Uniform Resource Locator, while a web address is a way to identify a website on the internet.
- B. A URL is a software program, while a web address is a hardware device.
- C. A URL is a physical object, while a web address is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a domain name and a top-level domain?
- A. A domain name is the address of a website on the internet, while a top-level domain is the last part of a domain name.
- B. A domain name is a software program, while a top-level domain is a hardware device.
- C. A domain name is a physical object, while a top-level domain is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a static website and a dynamic website?
- A. A static website is a website that does not change, while a dynamic website is a website that changes depending on the user's input.
- B. A static website is a software program, while a dynamic website is a hardware device.
- C. A static website is a physical object, while a dynamic website is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a blog and a wiki?
- A. A blog is a website that is updated regularly with new content, while a wiki is a website that allows users to collaborate on content.
- B. A blog is a software program, while a wiki is a hardware device.
- C. A blog is a physical object, while a wiki is a logical object.
- D. All of the above.
- Answer: A
What is the difference between an email and a chat?
- A. An email is a message that is sent over the internet, while a chat is a real-time conversation that is held over the internet.
- B. An email is a software program, while a chat is a hardware device.
- C. An email is a physical object, while a chat is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a social network and a social media platform?
- A. A social network is a website that allows users to connect with each other, while a social media platform is a website that allows users to share content with each other.
- B. A social network is a software program, while a social media platform is a hardware device.
- C. A social network is a physical object, while a social media platform is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a platform as a service?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a platform as a service is a service that provides access to a platform over the internet.
- B. A cloud computing service is a software program, while a platform as a service is a hardware device.
- C. A cloud computing service is a physical object, while a platform as a service is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and an infrastructure as a service?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while an infrastructure as a service is a service that provides access to infrastructure over the internet.
- B. A cloud computing service is a software program, while an infrastructure as a service is a hardware device.
- C. A cloud computing service is a physical object, while an infrastructure as a service is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a disaster recovery as a service?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a disaster recovery as a service is a service that provides access to disaster recovery solutions over the internet.
- B. A cloud computing service is a software program, while a disaster recovery as a service is a hardware device.
- C. A cloud computing service is a physical object, while a disaster recovery as a service is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a security as a service?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a security as a service is a service that provides access to security solutions over the internet.
- B. A cloud computing service is a software program, while a security as a service is a hardware device.
- C. A cloud computing service is a physical object, while a security as a service is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a machine learning as a service?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a machine learning as a service is a service that provides access to machine learning solutions over the internet.
- B. A cloud computing service is a software program, while a machine learning as a service is a hardware device.
- C. A cloud computing service is a physical object, while a machine learning as a service is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a blockchain as a service?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a blockchain as a service is a service that provides access to blockchain solutions over the internet.
- B. A cloud computing service is a software program, while a blockchain as a service is a hardware device.
- C. A cloud computing service is a physical object, while a blockchain as a service is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a big data as a service?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a big data as a service is a service that provides access to big data solutions over the internet.
- B. A cloud computing service is a software program, while a big data as a service is a hardware device.
- C. A cloud computing service is a physical object, while a big data as a service is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a virtual machine as a service?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a virtual machine as a service is a service that provides access to virtual machines over the internet.
- B. A cloud computing service is a software program, while a virtual machine as a service is a hardware device.
- C. A cloud computing service is a physical object, while a virtual machine as a service is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a container as a service?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a container as a service is a service that provides access to containers over the internet.
- B. A cloud computing service is a software program, while a container as a service is a hardware device.
- C. A cloud computing service is a physical object, while a container as a service is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a serverless computing?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a serverless computing is a service that provides access to computing resources without the need to manage servers.
- B. A cloud computing service is a software program, while a serverless computing is a hardware device.
- C. A cloud computing service is a physical object, while a serverless computing is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a content delivery network?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a content delivery network is a service that delivers content over the internet.
- B. A cloud computing service is a software program, while a content delivery network is a hardware device.
- C. A cloud computing service is a physical object, while a content delivery network is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a web application firewall?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a web application firewall is a service that protects web applications from attacks.
- B. A cloud computing service is a software program, while a web application firewall is a hardware device.
- C. A cloud computing service is a physical object, while a web application firewall is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a managed service?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a managed service is a service that provides management of computing resources over the internet.
- B. A cloud computing service is a software program, while a managed service is a hardware device.
- C. A cloud computing service is a physical object, while a managed service is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a hybrid cloud?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a hybrid cloud is a deployment model that combines public cloud and private cloud resources.
- B. A cloud computing service is a software program, while a hybrid cloud is a hardware device.
- C. A cloud computing service is a physical object, while a hybrid cloud is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a multi-cloud?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a multi-cloud is a deployment model that uses multiple cloud providers.
- B. A cloud computing service is a software program, while a multi-cloud is a hardware device.
- C. A cloud computing service is a physical object, while a multi-cloud is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a private cloud?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a private cloud is a deployment model that provides computing resources to a single organization.
- B. A cloud computing service is a software program, while a private cloud is a hardware device.
- C. A cloud computing service is a physical object, while a private cloud is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a community cloud?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a community cloud is a deployment model that provides computing resources to a specific community of organizations.
- B. A cloud computing service is a software program, while a community cloud is a hardware device.
- C. A cloud computing service is a physical object, while a community cloud is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a mainframe?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a mainframe is a large computer that can handle a lot of data.
- B. A cloud computing service is a software program, while a mainframe is a hardware device.
- C. A cloud computing service is a physical object, while a mainframe is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a supercomputer?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while a supercomputer is a very powerful computer that can handle complex calculations.
- B. A cloud computing service is a software program, while a supercomputer is a hardware device.
- C. A cloud computing service is a physical object, while a supercomputer is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a grid computing?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while grid computing is a distributed computing model that uses multiple computers to solve a problem.
- B. A cloud computing service is a software program, while grid computing is a hardware device.
- C. A cloud computing service is a physical object, while grid computing is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a peer-to-peer computing?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while peer-to-peer computing is a distributed computing model that uses computers to share resources with each other.
- B. A cloud computing service is a software program, while peer-to-peer computing is a hardware device.
- C. A cloud computing service is a physical object, while peer-to-peer computing is a logical object.
- D. All of the above.
- Answer: A
What is the difference between a cloud computing service and a distributed computing?
- A. A cloud computing service is a service that provides access to computing resources over the internet, while distributed computing is a computing model that distributes tasks across multiple computers.
- B. A cloud computing service is a software program, while distributed computing is a hardware device.
- C. A cloud computing service is a physical object, while distributed computing is a logical object.
- D. All of the above.
- Answer: A
What is a database?
- A. A database is a collection of data that is organized so that it can be easily accessed, managed, and updated.
- B. A database is a software program that manages data.
- C. A database is a physical object that stores data.
- D. All of the above.
- Answer: A
What is a relational database?
- A. A relational database is a database that stores data in tables.
- B. A relational database is a database that stores data in graphs.
- C. A relational database is a database that stores data in trees.
- D. All of the above.
- Answer: A
What is a table in a relational database?
- A. A table in a relational database is a collection of rows and columns.
- B. A table in a relational database is a collection of records and fields.
- C. A table in a relational database is a collection of objects and properties.
- D. All of the above.
- Answer: A
What is a row in a relational database?
- A. A row in a relational database is a single record.
- B. A row in a relational database is a single field.
- C. A row in a relational database is a single object.
- D. All of the above.
- Answer: A
What is a column in a relational database?
- A. A column in a relational database is a single field.
- B. A column in a relational database is a single record.
- C. A column in a relational database is a single object.
- D. All of the above.
- Answer: A
What is a primary key in a relational database?
- A. A primary key in a relational database is a unique field that identifies each record.
- B. A primary key in a relational database is a field that cannot be null.
- C. A primary key in a relational database is a field that cannot be duplicated.
- D. All of the above.
- Answer: D
What is a foreign key in a relational database?
- A. A foreign key in a relational database is a field that references a primary key in another table.
- B. A foreign key in a relational database is a field that cannot be null.
- C. A foreign key in a relational database is a field that cannot be duplicated.
- D. All of the above.
- Answer: A
What is a database management system (DBMS)?
- A. A DBMS is a software program that manages data in a database.
- B. A DBMS is a hardware device that manages data in a database.
- C. A DBMS is a physical object that stores data in a database.
- D. All of the above.
- Answer: A
What are the three main types of DBMSs?
- A. Relational DBMSs, hierarchical DBMSs, and network DBMSs.
- B. Relational DBMSs, object-oriented DBMSs, and NoSQL DBMSs.
- C. Hierarchical DBMSs, network DBMSs, and object-oriented DBMSs.
- D. NoSQL DBMSs, object-oriented DBMSs, and relational DBMSs.
- Answer: B
What is a NoSQL database?
- A. A NoSQL database is a database that does not use the relational model.
- B. A NoSQL database is a database that is not managed by a DBMS.
- C. A NoSQL database is a database that is not stored on a physical device.
- D. All of the above.
- Answer: A
What is a query language?
- A. A query language is a language that is used to interact with a database.
- B. A query language is a language that is used to create a database.
- C. A query language is a language that is used to delete a database.
- D. All of the above.
- Answer: A
What is SQL?
- A. SQL is a query language that is used to interact with relational databases.
- B. SQL is a query language that is used to create relational databases.
- C. SQL is a query language that is used to delete relational databases.
- D. All of the above.
- Answer: A
What are the three main types of SQL queries?
- A. SELECT, INSERT, and UPDATE.
- B. SELECT, DELETE, and DROP.
- C. INSERT, UPDATE, and DELETE.
- D. All of the above.
- Answer: A
What is a SELECT query?
- A. A SELECT query is used to select data from a database.
- B. A SELECT query is used to insert data into a database.
- C. A SELECT query is used to update data in a database.
- D. A SELECT query is used to delete data from a database.
- Answer: A
What is an INSERT query?
- A. An INSERT query is used to insert data into a database.
- B. An INSERT query is used to select data from a database.
- C. An INSERT query is used to update data in a database.
- D. An INSERT query is used to delete data from a database.
- Answer: A
What is an UPDATE query?
- A. An UPDATE query is used to update data in a database.
- B. An UPDATE query is used to select data from a database.
- C. An UPDATE query is used to insert data into a database.
- D. An UPDATE query is used to delete data from a database.
- Answer: A
What is a DELETE query?
- A. A DELETE query is used to delete data from a database.
- B. A DELETE query is used to select data from a database.
- C. A DELETE query is used to insert data into a database.
- D. A DELETE query is used to update data in a database.
- Answer: A
What is a join query?
- A. A join query is used to combine data from two or more tables.
- B. A join query is used to select data from a single table.
- C. A join query is used to insert data into a single table.
- D. A join query is used to delete data from a single table.
- Answer: A
What is a subquery?
- A. A subquery is a query that is nested within another query.
- B. A subquery is a query that is used to select data from a single table.
- C. A subquery is a query that is used to insert data into a single table.
- D. A subquery is a query that is used to delete data from a single table.
- Answer: A
What is a stored procedure?
- A. A stored procedure is a set of SQL statements that are stored in the database.
- B. A stored procedure is a set of SQL statements that are executed on the client machine.
- C. A stored procedure is a set of SQL statements that are executed on the server machine.
- D. All of the above.
- Answer: A
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