Computer Fundamentals MCQ Test for Competitive Exams

Prepare for competitive exams with our comprehensive Computer Fundamentals MCQ Test. Practice essential topics in hardware, software, operating systems and networking.

Questions (30)


  1. What is the brain of the computer commonly referred to as?

    • a) CPU (Central Processing Unit)
    • b) RAM (Random Access Memory)
    • c) Hard Drive
    • d) Motherboard
    View Answer
    Correct CPU (Central Processing Unit)
  2. Which of the following is an input device?

    • a) Speaker
    • b) Monitor
    • c) Printer
    • d) Keyboard
    View Answer
    Correct Keyboard
  3. What does RAM stand for in computing?

    • a) Random Access Memory
    • b) Read Access Memory
    • c) Rapid Access Memory
    • d) Rotational Access Memory
    View Answer
    Correct Random Access Memory
  4. What is the main function of the ALU in a computer?

    • a) Store data temporarily
    • b) Perform arithmetic and logical operations
    • c) Manage data flow between the CPU and peripherals
    • d) Control the execution of instructions
    View Answer
    Correct Perform arithmetic and logical operations
  5. What type of memory is non-volatile and permanently stores data?

    • a) ROM (Read-Only Memory)
    • b) RAM (Random Access Memory)
    • c) Cache Memory
    • d) Registers
    View Answer
    Correct ROM (Read-Only Memory)
  6. Which of the following is an example of system software?

    • a) Operating System
    • b) Word Processor
    • c) Spreadsheet Application
    • d) Web Browser
    View Answer
    Correct Operating System
  7. What does BIOS stand for in a computer system?

    • a) Binary Integrated Operating System
    • b) Binary Input Output System
    • c) Basic Integrated Operating System
    • d) Basic Input Output System
    View Answer
    Correct Basic Input Output System
  8. What is the primary purpose of a computer's operating system?

    • a) Manage hardware and software resources
    • b) Perform arithmetic calculations
    • c) Provide internet connectivity
    • d) Store large amounts of data
    View Answer
    Correct Manage hardware and software resources
  9. Which of the following is an example of application software?

    • a) BIOS
    • b) Linux Kernel
    • c) Microsoft Word
    • d) Device Drivers
    View Answer
    Correct Microsoft Word
  10. Which type of storage device uses magnetic disks to store data?

    • a) Flash Drive
    • b) Solid-State Drive (SSD)
    • c) Hard Disk Drive (HDD)
    • d) Optical Disk
    View Answer
    Correct Hard Disk Drive (HDD)
  11. What is the primary purpose of a compiler in programming?

    • a) Convert source code into machine code
    • b) Debug software
    • c) Execute programs directly
    • d) Manage system hardware
    View Answer
    Correct Convert source code into machine code
  12. What does GUI stand for in computing?

    • a) General User Interface
    • b) Graphical User Interface
    • c) Global User Interaction
    • d) General User Interaction
    View Answer
    Correct Graphical User Interface
  13. What is the primary function of a modem?

    • a) Convert digital signals to analog and vice versa
    • b) Connect multiple devices in a network
    • c) Store large amounts of data
    • d) Perform arithmetic calculations
    View Answer
    Correct Convert digital signals to analog and vice versa
  14. What does the term "cloud computing" refer to?

    • a) Storing and accessing data over the internet
    • b) High-performance local storage systems
    • c) Networking multiple local devices
    • d) Processing data in offline systems
    View Answer
    Correct Storing and accessing data over the internet
  15. What is the purpose of a firewall in a computer network?

    • a) Protect against unauthorized access
    • b) Enhance internet speed
    • c) Backup data
    • d) Optimize software performance
    View Answer
    Correct Protect against unauthorized access
  16. Which type of software translates high-level programming code into machine language?

    • a) Compiler
    • b) Debugger
    • c) Assembler
    • d) Text Editor
    View Answer
    Correct Compiler
  17. What is the function of a cache memory in a computer?

    • a) Speed up access to frequently used data
    • b) Increase storage capacity
    • c) Improve system security
    • d) Backup critical files
    View Answer
    Correct Speed up access to frequently used data
  18. What is the full form of IP in networking?

    • a) Internet Protocol
    • b) Internal Processing
    • c) Integrated Platform
    • d) Intelligent Processing
    View Answer
    Correct Internet Protocol
  19. What is the name of the first generation of computers based on?

    • a) Vacuum Tubes
    • b) Transistors
    • c) Integrated Circuits
    • d) Microprocessors
    View Answer
    Correct Vacuum Tubes
  20. Which programming language is known as the "mother of all languages"?

    • a) Assembly
    • b) C
    • c) BASIC
    • d) FORTRAN
    View Answer
    Correct FORTRAN
  21. What does "plug and play" refer to in computer systems?

    • a) Automatic detection and configuration of hardware devices
    • b) Simplified software installation
    • c) Enhanced internet connectivity
    • d) A gaming mode in operating systems
    View Answer
    Correct Automatic detection and configuration of hardware devices
  22. What is the term for software designed to harm or disrupt computers?

    • a) Malware
    • b) Firmware
    • c) Spyware
    • d) Hardware
    View Answer
    Correct Malware
  23. Which of the following is an optical storage device?

    • a) DVD
    • b) SSD
    • c) HDD
    • d) RAM
    View Answer
    Correct DVD
  24. What does SMTP stand for in email communication?

    • a) Standard Mail Transfer Platform
    • b) Secure Mail Transfer Protocol
    • c) Simple Mail Transfer Protocol
    • d) Simple Message Transfer Platform
    View Answer
    Correct Simple Mail Transfer Protocol
  25. What is the function of the Control Unit in a CPU?

    • a) Direct operations of the processor
    • b) Perform arithmetic calculations
    • c) Manage memory allocation
    • d) Store data permanently
    View Answer
    Correct Direct operations of the processor
  26. What is an SSD commonly used for?

    • a) High-speed data storage
    • b) Processing large datasets
    • c) Network communication
    • d) Enhancing display resolution
    View Answer
    Correct High-speed data storage
  27. Which layer of the OSI model is responsible for data encryption?

    • a) Presentation Layer
    • b) Application Layer
    • c) Transport Layer
    • d) Network Layer
    View Answer
    Correct Presentation Layer
  28. What is the decimal equivalent of the binary number 1010?

    • a) 10
    • b) 8
    • c) 12
    • d) 15
    View Answer
    Correct 10
  29. What is the primary purpose of the motherboard in a computer system?

    • a) Connect and integrate all hardware components
    • b) Store data permanently
    • c) Run software applications
    • d) Secure the system from malware
    View Answer
    Correct Connect and integrate all hardware components
  30. Which file system is commonly used in Windows operating systems?

    • a) NTFS
    • b) ext4
    • c) FAT32
    • d) HFS+
    View Answer
    Correct NTFS

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