COMPUTER FUNDAMENTAL MCQS

Which computer component is responsible for displaying visual output on the monitor?

a. CPU

b. RAM

c. GPU

d. HDD

Answer: c. GPU

What does BIOS stand for in computing?

a. Basic Input/Output System

b. Binary Input/Output System

c. Backup Input/Output System

d. Basic Internal Operating System

Answer: a. Basic Input/Output System

Which type of software helps manage hardware components and resources of a computer?

a. Application Software

b. Operating System

c. Utility Software

d. Firewall Software

Answer: b. Operating System

Which file extension is commonly associated with executable program files in Windows?

a. .exe

b. .doc

c. .jpg

d. .txt

Answer: a. .exe

In computer networking, what does LAN stand for?

a. Local Area Network

b. Long Area Network

c. Logical Access Network

d. Link Area Network

Answer: a. Local Area Network

Which of the following is not a web browser?

a. Google Chrome

b. Mozilla Firefox

c. Microsoft Word

d. Safari

Answer: c. Microsoft Word

What is the primary function of an antivirus program?

a. Speed up your computer

b. Create new files and folders

c. Protect against malware and viruses

d. Play music and videos

Answer: c. Protect against malware and viruses

Which programming language is often used for artificial intelligence and machine learning applications?

a. Java

b. Python

c. C#

d. Ruby

Answer: b. Python

What does HTML stand for in web development?

a. Hyper Transfer Markup Language

b. Hyperlink and Text Markup Language

c. Hyper Text Makeup Language

d. Hypertext Markup Language

Answer: d. Hypertext Markup Language

Which of the following is a popular open-source operating system?

a. Windows

b. macOS

c. Linux

d. Android

Answer: c. Linux

What is the maximum number of characters that can typically be stored in a standard CD (Compact Disc)?

a. 700 MB

b. 1 GB

c. 4.7 GB

d. 8 GB

Answer: a. 700 MB

Which computer keyboard shortcut is used to copy selected text or files?

a. Ctrl+C

b. Ctrl+X

c. Ctrl+V

d. Ctrl+P

Answer: a. Ctrl+C

What does CPU clock speed, measured in Hertz (Hz), indicate?

a. The number of processor cores

b. The processing power of the CPU

c. The physical size of the CPU

d. The speed at which the CPU performs instructions

Answer: d. The speed at which the CPU performs instructions

Which computer peripheral is used to input text and commands into a computer?

a. Monitor

b. Keyboard

c. Printer

d. Scanner

Answer: b. Keyboard

Which of the following is a volatile memory type that loses its data when the computer is powered off?

a. RAM

b. ROM

c. Hard Drive

d. SSD

Answer: a. RAM

What is the purpose of the motherboard in a computer?

a. To provide power to the CPU

b. To connect external devices like a keyboard and mouse

c. To house the power supply unit

d. To serve as the main circuit board and connect all components

Answer: d. To serve as the main circuit board and connect all components

Which of the following storage devices has no moving parts and is known for its fast data access times?

a. Hard Drive (HDD)

b. Solid-State Drive (SSD)

c. CD-ROM

d. Floppy Disk

Answer: b. Solid-State Drive (SSD)

What is the purpose of an IP address in networking?

a. To identify a specific website

b. To identify a specific computer or device on a network

c. To encrypt data transmitted over the internet

d. To display advertisements on web pages

Answer: b. To identify a specific computer or device on a network

Which of the following is an example of a system software?

a. Microsoft Word

b. Adobe Photoshop

c. Windows 10

d. Google Chrome

Answer: c. Windows 10

What does the acronym PDF stand for in the context of document files?

a. Portable Document Format

b. Personal Data File

c. Public Document File

d. Print Data Format

Answer: a. Portable Document Format

What is the purpose of a firewall in computer security?

a. To protect against physical theft of computer hardware

b. To prevent unauthorized access to or from a private network

c. To clean and optimize the computer's hard drive

d. To create backups of important files

Answer: b. To prevent unauthorized access to or from a private network

Which programming language is often used for game development?

a. JavaScript

b. C++

c. Ruby

d. PHP

Answer: b. C++

What is a URL shortener service used for?

a. Reducing the length of web addresses for easier sharing

b. Enhancing the security of online transactions

c. Increasing the download speed of web pages

d. Blocking access to certain websites

Answer: a. Reducing the length of web addresses for easier sharing

Which of the following is a type of computer virus that encrypts a user's files and demands a ransom for decryption?

a. Trojan Horse

b. Worm

c. Ransomware

d. Spyware

Answer: c. Ransomware

In the context of email, what does "CC" stand for?

a. Carbon Copy

b. Copy Check

c. Central Control

d. Computer Communication

Answer: a. Carbon Copy

Which of the following is a programming paradigm that uses a collection of objects that communicate with each other to perform tasks?

a. Procedural Programming

b. Functional Programming

c. Object-Oriented Programming

d. Logical Programming

Answer: c. Object-Oriented Programming

Which computer port is commonly used for connecting a mouse or keyboard?

a. USB

b. HDMI

c. Ethernet

d. VGA

Answer: a. USB

What is the primary function of a router in a home network?

a. To provide electrical power to connected devices

b. To convert digital signals to analog signals

c. To direct network traffic between devices and the internet

d. To scan for and remove viruses from connected devices

Answer: c. To direct network traffic between devices and the internet

Which of the following is a widely used programming language for web development and is often used for creating dynamic web pages?

a. Java

b. Python

c. PHP

d. C#

Answer: c. PHP

What is the primary function of a database management system (DBMS)?

a. To create websites

b. To manage and organize data in databases

c. To secure email communication

d. To scan for malware on a computer

Answer: b. To manage and organize data in databases

Which of the following is an example of an input device?

a. Monitor

b. Printer

c. Mouse

d. Speaker

Answer: c. Mouse

Which of the following is a widely used open-source web server software?

a. Apache

b. Nginx

c. IIS (Internet Information Services)

d. Tomcat

Answer: a. Apache

In the context of computer graphics, what does GPU stand for?

a. Graphics Processing Unit

b. General Processing Unit

c. Graphical Performance Unit

d. Global Processing Unit

Answer: a. Graphics Processing Unit

Which of the following is an example of cloud storage service?

a. Microsoft Word

b. Dropbox

c. Photoshop

d. Skype

Answer: b. Dropbox

What is the primary function of a DNS server in internet communication?

a. To encrypt data transmission

b. To convert IP addresses into domain names

c. To host websites and web applications

d. To send and receive emails

Answer: b. To convert IP addresses into domain names

Which computer key is used to cancel an ongoing process or operation?

a. Enter

b. Esc (Escape)

c. Delete

d. Shift

Answer: b. Esc (Escape)

Which of the following is a commonly used spreadsheet software?

a. Photoshop

b. Microsoft Word

c. Excel

d. PowerPoint

Answer: c. Excel

In computer programming, what does the term "algorithm" refer to?

a. A type of computer virus

b. A step-by-step procedure for solving a problem or performing a task

c. A type of computer hardware

d. A programming language

Answer: b. A step-by-step procedure for solving a problem or performing a task

Which of the following is a type of computer memory that is non-volatile and retains data even when the power is turned off?

a. RAM

b. ROM

c. SSD

d. USB flash drive

Answer: b. ROM

What does the acronym HTTP stand for in web addresses?

a. HyperText Transfer Protocol

b. Hyperlink and Text Transmission Protocol

c. High-Tech Text Transfer Procedure

d. Hypertext Transfer Privacy

Answer: a. HyperText Transfer Protocol

What is the purpose of a cookie in web browsing?

a. To store and retrieve user data and preferences

b. To block unwanted pop-up ads

c. To speed up internet connection

d. To secure online payments

Answer: a. To store and retrieve user data and preferences

Which computer programming language is often used for scientific and numerical computing?

a. Java

b. Python

c. C#

d. Ruby

Answer: b. Python

What is the term for a program that replicates itself and spreads to other computers or systems without the user's knowledge or consent?

a. Malware

b. Spyware

c. Worm

d. Firewall

Answer: c. Worm

What is the purpose of a UPS (Uninterruptible Power Supply) for a computer?

a. To provide high-speed internet access

b. To protect against power outages and provide temporary power

c. To increase the processing speed of the CPU

d. To scan for and remove viruses

Answer: b. To protect against power outages and provide temporary power

Which computer component stores the computer's firmware and is responsible for booting up the system?

a. CPU

b. RAM

c. BIOS

d. GPU

Answer: c. BIOS

In computer programming, what does "GUI" stand for?

a. Graphical User Interaction

b. General User Interface

c. Graphical User Interface

d. Global User Interaction

Answer: c. Graphical User Interface

What is the main purpose of an email client software?

a. To create and edit text documents

b. To manage and send emails

c. To design websites

d. To play video games

Answer: b. To manage and send emails

Which of the following is a common file format for audio files?

a. .jpg

b. .mp3

c. .pdf

d. .doc

Answer: b. .mp3

Which of the following is an example of a programming language used for data analysis and statistical computing?

a. Java

b. C++

c. R

d. Ruby

Answer: c. R

What is the primary function of an SSD (Solid-State Drive) in a computer?

a. To store data and programs for future use

b. To display visual output on the monitor

c. To process mathematical calculations

d. To provide fast data storage and retrieval

Answer: d. To provide fast data storage and retrieval

Which computer port is typically used for connecting a monitor to a desktop computer?

a. USB

b. HDMI

c. Ethernet

d. VGA

Answer: b. HDMI

What is the purpose of a modem in computer networking?

a. To convert digital data into analog signals for transmission

b. To provide wireless internet access

c. To store and manage email messages

d. To secure a computer network

Answer: a. To convert digital data into analog signals for transmission