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  • Question

  • Multiplication of 478 by 528 is


  • Options
  • A. (3144)8
  • B. (4147)8
  • C. (3146)8
  • D. (3184)8
  • E. None of the above

  • Correct Answer
  • (3146)8 

    • Digital Computer Electronics problems

    Search Results

    • 1. Conversion of hexadecimal number 1D7F16 to a decimal number is

    • Options
    • A. 755110
    • B. 877110
    • C. 555710
    • D. 778110
    • E. None of the above
      • Discuss
    • 2. Express 8192 in K units.

    • Options
    • A. 8 x 103 K
    • B. 8.192 k
    • C. 8K
    • D. All of the above
    • E. None of the above
      • Discuss
    • 3. What is the 2's-complement representation of -24 in a 16-bit microcomputer?

    • Options
    • A. 0000 0000 0001 1000
    • B. 1111 1111 1110 0111
    • C. 1111 1111 1110 1000
    • D. 0001 0001 1111 0011
    • E. None of the above
      • Discuss
    • 4. Computers use thousands of flip-flops. To coordinate the overall action, a common signal called the _____ is sent to each flip-flop.

    • Options
    • A. latch
    • B. clock
    • C. master
    • D. slave
    • E. None of the above
      • Discuss
    • 5. Conversion of an octal number 1428 to binary number is

    • Options
    • A. 11000102
    • B. 1101102
    • C. 11000112
    • D. 11011012
    • E. None of the above
      • Discuss
    • 6. Which of the following is a universal gate?

    • Options
    • A. AND
    • B. OR
    • C. EX-OR
    • D. NAND
    • E. None of the above
      • Discuss
    • 7. Binary-Coded-decimal (BCD) numbers express each digit as a _____

    • Options
    • A. byte
    • B. nibble
    • C. bit
    • D. All of the above
    • E. None of the above
      • Discuss
    • 8. The functional capacity for LSI devices is

    • Options
    • A. 1 to 11 gates
    • B. 12 to 99 gates
    • C. 100 to 10,000 gates
    • D. more than 10,000 gates
    • E. None of the above
      • Discuss
    • 9. How many bytes are there in 1011 1001 0110 1110 numbers?

    • Options
    • A. 1
    • B. 2
    • C. 4
    • D. 8
    • E. None of the above
      • Discuss
    • 10. Which of the following boolean algebra statements represent commutative law

    • Options
    • A. (A+B)+CA+(B+C)
    • B. A.(B+C)(A.B)+(A.C)
    • C. A+BB+A
    • D. A+AA
    • E. None of the above
      • Discuss

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