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Digital Computer Electronics
Comments
Question
Which function positive logic is equivalent to OR function in negative logic?
Options
A. NOT
B. AND
C. OR
D. NOR
E. None of the above
Correct Answer
AND
Digital Computer Electronics problems
Search Results
1. For an input pulse train of clock period T, the delay produced by an n stage shift register is
Options
A. (n-l)T
B. nT
C. (n+l)T
D. 2nT
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: (n-l)T
2. A flip-flop can store
Options
A. one bit of data
B. two bits of data
C. three bits of data
D. any number of bits of data
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: one bit of data
3. The functional capacity of SSI 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
Show Answer
Scratch Pad
Discuss
Correct Answer: 1 to 11 gates
4. Conversion of a hexadecimal number 63
16
to binary number is
Options
A. 1100111
2
B. 1100011
2
C. 111011
2
D. 1100111
2
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 1100011
2
5. Conversion of binary number 1101100111111000
2
to hexadecimal number is
Options
A. D8F8
16
B. A8B9
16
C. 789
16
D. D9F8
16
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: D9F8
16
6. The reduced form of the Boolean expression (A+B)(A+C) is:
Options
A. AB+AC
B. A+B+C
C. AC+B
D. A+BC
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: A+BC
7. _____ has become the most widely used bipolar family.
Options
A. DTL
B. TTL
C. ECL
D. MOS
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: TTL
8. The radix of the binary number is:
Options
A. 3
B. 1
C. 2
D. 10
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 2
9. When the LOAD input of a buffer register is active, the input word is stored on the next positive _____ edge.
Options
A. clock
B. pulse
C. register
D. transistor
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: clock
10. The output of the following gate is 1 only if at least one of its inputs is 0.
Options
A. AND gate
B. OR gate
C. NAND gate
D. NOR gate
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: NAND gate
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