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Computer Fundamentals & Introduction MCQs 2026

45 questions with detailed answers · 20 from past papers · 5 quiz batches available

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Read each question, think about the answer, then click Show Answer to reveal the correct option and explanation. Load 10 at a time so it stays manageable — perfect for one-topic study sessions on the bus or during a break.

Page 1 of 1Questions 1–10 of 45
  1. Q1easy

    Which of the following is an example of system software

    1. AMS Word
    2. BMS Excel
    3. COperating System
    4. DPhotoshop
    💡 Explanation:

    An operating system is system software that manages hardware and other software.

  2. Q2Past Paper · PPSC/FPSC/NTSeasy

    The father of the modern computer is

    1. ACharles Babbage
    2. BBlaise Pascal
    3. CJohn Napier
    4. DBill Gates
    💡 Explanation:

    Charles Babbage designed the Analytical Engine and is known as the father of the computer.

  3. Q3easy

    Raw facts and figures given to a computer are called

    1. AInformation
    2. BData
    3. CInstructions
    4. DOutput
    💡 Explanation:

    Data are unprocessed raw facts; once processed they become information.

  4. Q4easy

    Processed data that is meaningful is called

    1. AData
    2. BBytes
    3. CInformation
    4. DSignals
    💡 Explanation:

    Information is data that has been processed into a meaningful and useful form.

  5. Q5Past Paper · PPSC/FPSC/NTSeasy

    The physical parts of a computer are called

    1. ASoftware
    2. BFirmware
    3. CHardware
    4. DFreeware
    💡 Explanation:

    Hardware refers to the tangible physical components of a computer.

  6. Q6Past Paper · PPSC/FPSC/NTSeasy

    The smallest unit of data in a computer is

    1. AByte
    2. BBit
    3. CNibble
    4. DWord
    💡 Explanation:

    A bit (binary digit) is the smallest unit of data, holding either 0 or 1.

  7. Q7medium

    A group of 4 bits is called a

    1. AByte
    2. BWord
    3. CNibble
    4. DBel
    💡 Explanation:

    A nibble is a group of 4 bits, which is half a byte.

  8. Q8easy

    Which is the correct ascending order of memory units

    1. AKB, MB, GB, TB
    2. BMB, KB, GB, TB
    3. CGB, MB, KB, TB
    4. DTB, GB, MB, KB
    💡 Explanation:

    The correct ascending order is Kilobyte, Megabyte, Gigabyte, Terabyte.

  9. Q9Past Paper · PPSC/FPSC/NTSeasy

    The number system used internally by computers is

    1. ADecimal
    2. BOctal
    3. CBinary
    4. DHexadecimal
    💡 Explanation:

    Computers internally use the binary number system consisting of 0s and 1s.

  10. Q10medium

    IBM stands for

    1. AInternational Business Machines
    2. BInternal Business Machines
    3. CInternational Basic Machines
    4. DIntegrated Business Machines
    💡 Explanation:

    IBM stands for International Business Machines Corporation.

  11. Q11Past Paper · PPSC/FPSC/NTSmedium

    The two main components of the CPU are

    1. AALU and Control Unit
    2. BRAM and ROM
    3. CInput and Output
    4. DMonitor and Keyboard
    💡 Explanation:

    The CPU mainly consists of the Arithmetic Logic Unit (ALU) and the Control Unit (CU).

  12. Q12Past Paper · PPSC/FPSC/NTSmedium

    A computer that combines both analog and digital features is called

    1. AHybrid computer
    2. BMainframe
    3. CSuper computer
    4. DMicro computer
    💡 Explanation:

    A hybrid computer combines the features of both analog and digital computers.

  13. Q13Past Paper · PPSC/FPSC/NTSeasy

    The most powerful type of computer is

    1. AMicro computer
    2. BMini computer
    3. CMainframe
    4. DSuper computer
    💡 Explanation:

    Supercomputers are the fastest and most powerful computers, used for complex calculations.

  14. Q14easy

    A personal computer (PC) is an example of a

    1. ASuper computer
    2. BMainframe
    3. CMicro computer
    4. DMini computer
    💡 Explanation:

    A PC is a microcomputer designed for individual use.

  15. Q15easy

    Which of these is NOT an input device

    1. AKeyboard
    2. BMouse
    3. CScanner
    4. DMonitor
    💡 Explanation:

    A monitor is an output device; keyboard, mouse and scanner are input devices.

  16. Q16easy

    Which of these is an output device

    1. AJoystick
    2. BPrinter
    3. CLight pen
    4. DMicrophone
    💡 Explanation:

    A printer produces output; the others are input devices.

  17. Q17Past Paper · PPSC/FPSC/NTSeasy

    Volatile memory that loses data when power is off is

    1. AROM
    2. BHard disk
    3. CRAM
    4. DFlash drive
    💡 Explanation:

    RAM is volatile memory; its contents are lost when the computer is switched off.

  18. Q18easy

    The permanent storage device in a computer is

    1. ARAM
    2. BCache
    3. CHard disk
    4. DRegister
    💡 Explanation:

    The hard disk is a secondary storage device that stores data permanently.

  19. Q19Past Paper · PPSC/FPSC/NTSmedium

    Which language does a computer understand directly

    1. AHigh-level language
    2. BAssembly language
    3. CMachine language
    4. DEnglish
    💡 Explanation:

    Computers directly understand machine language, made of binary code.

  20. Q20medium

    A program that converts high-level language into machine language is

    1. ACompiler
    2. BEditor
    3. CLoader
    4. DDebugger
    💡 Explanation:

    A compiler translates a whole high-level program into machine code.

  21. Q21easy

    The output shown on a monitor is called

    1. AHard copy
    2. BSoft copy
    3. CPrintout
    4. DBackup
    💡 Explanation:

    On-screen output is a soft copy; printed output is a hard copy.

  22. Q22easy

    Printed output on paper is called

    1. ASoft copy
    2. BHard copy
    3. CDigital copy
    4. DBackup copy
    💡 Explanation:

    Output printed on paper is known as a hard copy.

  23. Q23medium

    GIGO in computer terminology stands for

    1. AGarbage In Garbage Out
    2. BGreat Input Great Output
    3. CGlobal Input Global Output
    4. DGateway In Gateway Out
    💡 Explanation:

    GIGO means Garbage In, Garbage Out — poor input produces poor output.

  24. Q24Past Paper · PPSC/FPSC/NTSeasy

    The full form of CPU is

    1. ACentral Processing Unit
    2. BCentral Programming Unit
    3. CComputer Processing Unit
    4. DCentral Protocol Unit
    💡 Explanation:

    CPU stands for Central Processing Unit.

  25. Q25easy

    The term "bug" in computers refers to

    1. AA new feature
    2. BAn error or fault
    3. CA virus only
    4. DA hardware device
    💡 Explanation:

    A bug is an error or fault in a program that causes incorrect results.

  26. Q26Past Paper · PPSC/FPSC/NTSmedium

    The first mechanical calculating machine "Pascaline" was invented by

    1. ACharles Babbage
    2. BBlaise Pascal
    3. CJohn Napier
    4. DHerman Hollerith
    💡 Explanation:

    Blaise Pascal invented the Pascaline, an early mechanical calculator, in 1642.

  27. Q27easy

    1 Terabyte (TB) is equal to

    1. A1024 GB
    2. B1024 MB
    3. C1000 GB
    4. D512 GB
    💡 Explanation:

    1 TB equals 1024 Gigabytes.

  28. Q28medium

    Firmware is stored in

    1. ARAM
    2. BROM
    3. CHard disk
    4. DCache
    💡 Explanation:

    Firmware is permanent software stored in ROM.

  29. Q29Past Paper · PPSC/FPSC/NTSmedium

    Which generation of computers used vacuum tubes

    1. AFirst
    2. BSecond
    3. CThird
    4. DFourth
    💡 Explanation:

    First-generation computers used vacuum tubes as their main electronic component.

  30. Q30Past Paper · PPSC/FPSC/NTSeasy

    The process of starting or restarting a computer is called

    1. ABooting
    2. BLoading
    3. CProcessing
    4. DFormatting
    💡 Explanation:

    Booting is the process of starting up a computer and loading the operating system.

  31. Q31medium

    Cache memory is used to

    1. AStore data permanently
    2. BSpeed up the CPU by storing frequently used data
    3. CBack up files
    4. DConnect to the internet
    💡 Explanation:

    Cache is high-speed memory that stores frequently accessed data to speed up the CPU.

  32. Q32Past Paper · PPSC/FPSC/NTSeasy

    The word "computer" is derived from the Latin word

    1. ACompute
    2. BComputare
    3. CComputer
    4. DCommand
    💡 Explanation:

    "Computer" comes from the Latin "computare", meaning to calculate or reckon.

  33. Q33easy

    A computer is an electronic device that processes

    1. AText only
    2. BData
    3. CNumbers only
    4. DImages only
    💡 Explanation:

    A computer accepts data as input and processes it into meaningful information.

  34. Q34Past Paper · PPSC/FPSC/NTSeasy

    The brain of the computer is called

    1. ARAM
    2. BROM
    3. CCPU
    4. DHard disk
    💡 Explanation:

    The CPU (Central Processing Unit) is called the brain because it executes and controls all operations.

  35. Q35easy

    A set of instructions that tells the computer what to do is called

    1. AHardware
    2. BHardcopy
    3. CSoftware
    4. DDevice
    💡 Explanation:

    Software is a set of programs and instructions that direct hardware to perform tasks.

  36. Q36Past Paper · PPSC/FPSC/NTSeasy

    One byte is equal to how many bits

    1. A4 bits
    2. B32 bits
    3. C16 bits
    4. D8 bits
    💡 Explanation:

    One byte consists of 8 bits.

  37. Q37Past Paper · PPSC/FPSC/NTSeasy

    1 Kilobyte (KB) is equal to

    1. A1000 bytes
    2. B512 bytes
    3. C1024 bits
    4. D1024 bytes
    💡 Explanation:

    1 KB equals 2^10 = 1024 bytes.

  38. Q38medium

    Arithmetic and logical operations are performed by the

    1. AControl Unit
    2. BRegister
    3. CMemory Unit
    4. DALU
    💡 Explanation:

    The Arithmetic Logic Unit (ALU) performs all arithmetic and logical operations.

  39. Q39medium

    Which part of the CPU directs and coordinates all operations

    1. AALU
    2. BCache
    3. CRegister
    4. DControl Unit
    💡 Explanation:

    The Control Unit manages and coordinates the activities of all computer components.

  40. Q40Past Paper · PPSC/FPSC/NTSmedium

    The first electronic general-purpose digital computer was

    1. AUNIVAC
    2. BMark-I
    3. CEDVAC
    4. DENIAC
    💡 Explanation:

    ENIAC (1945) is regarded as the first general-purpose electronic digital computer.

  41. Q41Past Paper · PPSC/FPSC/NTSeasy

    RAM stands for

    1. ARead Access Memory
    2. BReady Access Memory
    3. CRapid Access Memory
    4. DRandom Access Memory
    💡 Explanation:

    RAM stands for Random Access Memory.

  42. Q42medium

    ROM is an example of

    1. AVolatile memory
    2. BCache memory
    3. CSecondary storage
    4. DNon-volatile memory
    💡 Explanation:

    ROM is non-volatile; it retains its contents even without power.

  43. Q43easy

    1 Gigabyte (GB) is equal to

    1. A1024 KB
    2. B1024 TB
    3. C1000 MB
    4. D1024 MB
    💡 Explanation:

    1 GB equals 1024 Megabytes.

  44. Q44Past Paper · PPSC/FPSC/NTSmedium

    Which of the following measures the speed of a CPU

    1. ABytes
    2. BBauds
    3. CPixels
    4. DHertz
    💡 Explanation:

    CPU speed (clock speed) is measured in Hertz, typically GHz.

  45. Q45medium

    A device used to connect a computer to the internet via telephone line is

    1. ARouter
    2. BHub
    3. CSwitch
    4. DModem
    💡 Explanation:

    A modem modulates and demodulates signals to connect a computer to the internet.

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