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  • Question
  • If a microcomputer has a 64K memory, what are the hexadecimal notations for the first and last memory location?


  • Options
  • A. 0000, EEEE
  • B. 0, 64
  • C. 0000, FFFF
  • D. 0000, 9999
  • E. None of the above

  • Correct Answer
  • 0000, FFFF 


  • Digital Computer Electronics problems


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    • 1. Conversion of binary number 1100012 to its decimal number is

    • Options
    • A. 2710
    • B. 4910
    • C. 3910
    • D. 5010
    • E. None of the above
    • Discuss
    • 2. The ASCII code is a 7-bit code for

    • Options
    • A. letters
    • B. numbers
    • C. other symbols
    • D. All of the above
    • E. None of the above
    • Discuss
    • 3. With positive clocking the clock signal must be _____ for the flip-flop to respond.

    • Options
    • A. high
    • B. low
    • C. set
    • D. race
    • E. None of the above
    • Discuss
    • 4. What advantages do ICs have over discrete-device circuits due to their greater complexity (i.e. more circuitary in less area)

    • Options
    • A. Smaller size
    • B. Higher reliability
    • C. Lower cost
    • D. All of the above
    • E. None of the above
    • Discuss
    • 5. The maximum number of TTL loads that a TTL device can drive reliably over the specified temperature range is

    • Options
    • A. fanout
    • B. bipolar
    • C. chip
    • D. universal logic circuit
    • E. None of the above
    • Discuss
    • 6. The EXCLUSIVE - NOR gate is equivalent to an _____ gate followed by an invertor.

    • Options
    • A. OR
    • B. AND
    • C. NAND
    • D. XOR
    • E. None of the above
    • Discuss
    • 7. The control and arithmetic-logic sections are called the _____

    • Options
    • A. Block diagram
    • B. Control Unit
    • C. Input / Output Unit
    • D. Central Processing Unit
    • E. None of the above
    • Discuss
    • 8. The 2's compliment of binary number 010111.1100 is

    • Options
    • A. 101001.1100
    • B. 101000.0100
    • C. 010111.0011
    • D. 101000.0011
    • E. None of the above
    • Discuss
    • 9. Conversion of binary number 10100002 to an octal number is

    • Options
    • A. 1198
    • B. 1018
    • C. 1118
    • D. 1208
    • E. None of the above
    • Discuss
    • 10. Conversion of an octal number 478 to its binary number is

    • Options
    • A. 1100112
    • B. 1001112
    • C. 1100112
    • D. 11110112
    • E. None of the above
    • Discuss


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