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Digital Computer Electronics
Comments
Question
A half-adder is also known as:
Options
A. AND circuit
B. NAND circuit
C. NOR circuit
D. EX-OR circuit
E. None of the above
Correct Answer
EX-OR circuit
Digital Computer Electronics problems
Search Results
1. Conversion of an octal number 110
8
to its decimal number is
Options
A. 70
10
B. 72
10
C. 73
10
D. 110
10
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 72
10
2. The NOR gate is logically equivalent to an OR gate followed by an _____
Options
A. AND
B. XAND
C. XOR
D. inverter
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: inverter
3. How many memory locations can 14 address bits access?
Options
A. 16,384
B. 8,192
C. 4096
D. 14
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 16,384
4. Multiplication of 111
2
by 101
2
is
Options
A. 110011
2
B. 100011
2
C. 111100
2
D. 000101
2
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 100011
2
5. In boolean algebra, the times sign stands for the _____ operation
Options
A. AND
B. OR
C. NAND
D. NOR
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: AND
6. A byte is consist of _____ bits
Options
A. two
B. four
C. eight
D. ten
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: eight
7. What is the decimal equivalent of 2
10
?
Options
A. 4096
B. 1024
C. 1000
D. 16
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 1024
8. 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
9. 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
10. 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
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