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Digital Computer Electronics
Comments
Question
The maximum count which a 6-bit binary word can represent is
Options
A. 36
B. 64
C. 63
D. 65
E. None of the above
Correct Answer
63
Digital Computer Electronics problems
Search Results
1. Addition of 1101
2
and 1010
2
is
Options
A. 10101
2
B. 11000
2
C. 11011
2
D. 10111
2
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 10111
2
2. Computer ICs work reliably because they are based on _____ design.
Options
A. Top-bottom
B. System
C. Two-stage
D. Two-states
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Two-states
3. Resistor Ratio design is used in linear ICs because
Options
A. Ratios increase input resistance
B. Ratios increase amplifier gain
C. Precise resistor values are not possible with IC processes
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Precise resistor values are not possible with IC processes
4. For what logic gate the outputs in complement of the input?
Options
A. NOT
B. AND
C. OR
D. XOR
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: NOT
5. Instead of counting with binary numbers, a ring counter uses words that have a single high _____
Options
A. bytes
B. bit
C. gate
D. chip
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: bit
6. The m-bit parallel adder consists of:
Options
A. (m+1) full adders
B. m/2 full adders
C. m-1 full adders
D. m full adders
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: m full adders
7. Conversion of an octal number 136
8
to hexadecimal number is
Options
A. 7E
16
B. 5E
16
C. 5A
16
D. 5D
16
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 5E
16
8. What is the 1's complement of 0000 1111 0010 1101 number?
Options
A. 1111 0000 0010 1101
B. 1111 0000 1101 0010
C. 1111 1100 1010 1100
D. 1001 0010 1010 1100
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 1111 0000 1101 0010
9. In which of the following adder circuits, the carry look ripple delay is eliminated?
Options
A. Half adder
B. Full adder
C. Parallel adder
D. Carry-look-ahead adder
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Carry-look-ahead adder
10. Conversion of an octal number 7432
8
to a binary number is
Options
A. 1111000110111
2
B. 111100011010
2
C. 110011010111
2
D. 111111111000
2
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 111100011010
2
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