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Digital Computer Electronics
Comments
Question
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
Correct Answer
clock
Digital Computer Electronics problems
Search Results
1. 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
2. _____ 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
3. 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
4. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: AND
5. 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
6. 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
7. The number of input words in a truth table always equals _____ where n is the number of inputs bits.
Options
A. 10
n
B. 2
n
C. 4
n
D. 8
n
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 2
n
8. What is the ASCII code for T?
Options
A. 1010100
B. 1011010
C. 1011100
D. 1011111
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 1010100
9. Conversion of decimal number 61
10
to it's binary number equivalent is
Options
A. 111101
2
B. 111100
2
C. 110011
2
D. 001101
2
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 111101
2
10. Addition of 110101
2
and 101111
2
is
Options
A. 1100100
2
B. 1101000
2
C. 1110111
2
D. 110011
2
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 1100100
2
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