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.

📌 Important Instructions

  • ✅ This is a free test. Beware of scammers who ask for money to attend this test.
  • 📋 Total Number of Questions: 30
  • ⏳ Time Allotted: 30 Minutes
  • 📝 Marking Scheme: Each question carries 1 mark. There is no negative marking.
  • ⚠️ Do not refresh or close the page during the test, as it may result in loss of progress.
  • 🔍 Read each question carefully before selecting your answer.
  • 🎯 All the best! Give your best effort and ace the test! 🚀
Time Left: 00:00
1. What is the brain of the computer commonly referred to as?
  • CPU (Central Processing Unit)
  • RAM (Random Access Memory)
  • Hard Drive
  • Motherboard
2. Which of the following is an input device?
  • Speaker
  • Monitor
  • Printer
  • Keyboard
3. What does RAM stand for in computing?
  • Random Access Memory
  • Read Access Memory
  • Rapid Access Memory
  • Rotational Access Memory
4. What is the main function of the ALU in a computer?
  • Store data temporarily
  • Perform arithmetic and logical operations
  • Manage data flow between the CPU and peripherals
  • Control the execution of instructions
5. What type of memory is non-volatile and permanently stores data?
  • ROM (Read-Only Memory)
  • RAM (Random Access Memory)
  • Cache Memory
  • Registers
6. Which of the following is an example of system software?
  • Operating System
  • Word Processor
  • Spreadsheet Application
  • Web Browser
7. What does BIOS stand for in a computer system?
  • Binary Integrated Operating System
  • Binary Input Output System
  • Basic Integrated Operating System
  • Basic Input Output System
8. What is the primary purpose of a computer's operating system?
  • Manage hardware and software resources
  • Perform arithmetic calculations
  • Provide internet connectivity
  • Store large amounts of data
9. Which of the following is an example of application software?
  • BIOS
  • Linux Kernel
  • Microsoft Word
  • Device Drivers
10. Which type of storage device uses magnetic disks to store data?
  • Flash Drive
  • Solid-State Drive (SSD)
  • Hard Disk Drive (HDD)
  • Optical Disk
11. What is the primary purpose of a compiler in programming?
  • Convert source code into machine code
  • Debug software
  • Execute programs directly
  • Manage system hardware
12. What does GUI stand for in computing?
  • General User Interface
  • Graphical User Interface
  • Global User Interaction
  • General User Interaction
13. What is the primary function of a modem?
  • Convert digital signals to analog and vice versa
  • Connect multiple devices in a network
  • Store large amounts of data
  • Perform arithmetic calculations
14. What does the term "cloud computing" refer to?
  • Storing and accessing data over the internet
  • High-performance local storage systems
  • Networking multiple local devices
  • Processing data in offline systems
15. What is the purpose of a firewall in a computer network?
  • Protect against unauthorized access
  • Enhance internet speed
  • Backup data
  • Optimize software performance
16. Which type of software translates high-level programming code into machine language?
  • Compiler
  • Debugger
  • Assembler
  • Text Editor
17. What is the function of a cache memory in a computer?
  • Speed up access to frequently used data
  • Increase storage capacity
  • Improve system security
  • Backup critical files
18. What is the full form of IP in networking?
  • Internet Protocol
  • Internal Processing
  • Integrated Platform
  • Intelligent Processing
19. What is the name of the first generation of computers based on?
  • Vacuum Tubes
  • Transistors
  • Integrated Circuits
  • Microprocessors
20. Which programming language is known as the "mother of all languages"?
  • Assembly
  • C
  • BASIC
  • FORTRAN
21. What does "plug and play" refer to in computer systems?
  • Automatic detection and configuration of hardware devices
  • Simplified software installation
  • Enhanced internet connectivity
  • A gaming mode in operating systems
22. What is the term for software designed to harm or disrupt computers?
  • Malware
  • Firmware
  • Spyware
  • Hardware
23. Which of the following is an optical storage device?
  • DVD
  • SSD
  • HDD
  • RAM
24. What does SMTP stand for in email communication?
  • Standard Mail Transfer Platform
  • Secure Mail Transfer Protocol
  • Simple Mail Transfer Protocol
  • Simple Message Transfer Platform
25. What is the function of the Control Unit in a CPU?
  • Direct operations of the processor
  • Perform arithmetic calculations
  • Manage memory allocation
  • Store data permanently
26. What is an SSD commonly used for?
  • High-speed data storage
  • Processing large datasets
  • Network communication
  • Enhancing display resolution
27. Which layer of the OSI model is responsible for data encryption?
  • Presentation Layer
  • Application Layer
  • Transport Layer
  • Network Layer
28. What is the decimal equivalent of the binary number 1010?
  • 10
  • 8
  • 12
  • 15
29. What is the primary purpose of the motherboard in a computer system?
  • Connect and integrate all hardware components
  • Store data permanently
  • Run software applications
  • Secure the system from malware
30. Which file system is commonly used in Windows operating systems?
  • NTFS
  • ext4
  • FAT32
  • HFS+

Explore

IT Fundamentals

Professional Development

Psychology Insights