C++ | MCQs

    Q6531: How to type special characters like @ # & in the text ?

    • A. Press and hold shift key and type the symbol
    • B. Use control key and type the symbol
    • C. None
    • D. Use caps lock and type the symbol

    Q6532: Data in ________ bytes size is called Big Data.

    • A. Peta
    • B. Tera
    • C. Giga
    • D. Meta

    Q6533: The earliest calculating device is:

    سب سے قدیم حساب لگانے والا آلہ کونسا ہے
    • A. Analytical engine
    • B. Calculator
    • C. Difference engine
    • D. Abacus

    Q6534: Which of these is a non-profit domain?

    • A. .org
    • B. all of these
    • C. .com
    • D. .in

    Q6535: _________ rollback requires the system to maintain additional information about the state of all the running transactions.

    • A. Total
    • B. Partial
    • C. Time
    • D. Commit

    Q6536: In a table composite key consists of _______ attribute (s).

    • A. One & Two
    • B. More than one
    • C. Two
    • D. One

    Q6537: Which one is not an arithmetic instruction?

    • A. MUL
    • B. DIV
    • C. SUB
    • D. JMP

    Q6538: A packet that is sent by a node to the source to inform it of congestion is called

    • A. Choke Packet
    • B. Control Packet
    • C. Change Packet
    • D. Congestion Packet

    Q6539: Under mark parity, each parity bit is:

    • A. Always set to 0
    • B. Always set to 1
    • C. Not used
    • D. Alternated between 0 & 1

    Q6540: In OOP, a constructor function is called whenever

    • A. An object is declared
    • B. An object is used
    • C. A class is used
    • D. A class is declared
✅ Correct: 0 | ❌ Wrong: 0 | 📊 Total Attempted: 0

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