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Comments
Question
Conversion of decimal number 99
10
to it's binary number equivalent is
Options
A. 1100011
2
B. 100011
2
C. 1110001
2
D. 111 1000
2
E. None of the above
Correct Answer
1100011
2
Digital Computer Electronics problems
Search Results
1. A gate is a logic circuit with one or more input signals but _____ output signal.
Options
A. two
B. double
C. one
D. more than one
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: one
2. The 2-input XOR gate has a high output only when the input bits are _____
Options
A. even
B. different
C. low
D. high
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: different
3. Conversion of binary number 10000000000
2
to decimal number is
Options
A. 1024
10
B. 1034
10
C. 1124
10
D. 1037
10
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 1024
10
4. A typical microcomputer may have up to 65,536 registers in its memory. Each of these registers, usually called a _____
Options
A. address
B. memory location
C. registers
D. chip
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: memory location
5. The term sum-of-products in boolean algebra means
Options
A. The AND function of several OR functions
B. The OR function of several AND functions
C. The OR function of several OR functions
D. The AND function of several AND functions
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: The OR function of several AND functions
6. Conversion of an octal number 125
8
to its decimal number is
Options
A. 90
10
B. 85
10
C. 87
10
D. 99
10
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 85
10
7. Standard TTL has a multiple emitter input transistor and a _____ output
Options
A. totem-pole
B. bipolar
C. register
D. transistor
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: totem-pole
8. The digits used in a binary number system are _____ and _____
Options
A. 9 and 0
B. 0 and 1
C. 1 and 2
D. 3 and 4
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 0 and 1
9. Conversion of binary number 1001010
2
to to its decimal number is
Options
A. 74
10
B. 97
10
C. 72
10
D. 63
10
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 74
10
10. A 2's-complement adder-subtracter can add or subtract binary numbers. Sign-magnitude numbers represent _____ decimal numbers, and 2's complements stand for _____ decimal numbers.
Options
A. hexa, sign
B. sign, hexa
C. positive, negative
D. negative, positive
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: positive, negative
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