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Digital Computer Electronics
Comments
Question
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
Correct Answer
The OR function of several AND functions
Digital Computer Electronics problems
Search Results
1. A half-adder adds _____ bits
Options
A. 16
B. 8
C. 10
D. 2
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 2
2. An odd-parity generator produces an odd-parity bit to go along with the data. The parity of the transmitted data is _____ An XOR gate can test each received word for parity rejecting words with _____ parity.
Options
A. odd, even
B. high, low
C. low, high
D. even, odd
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: odd, even
3. Conversion of an octal number 73
8
to binary number is
Options
A. 110111
2
B. 111100
2
C. 110010
2
D. 111011
2
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 111011
2
4. How many full and half-adders are required to add 16-bit numbers?
Options
A. 8 half-adders, 8 full-adders
B. 1 half-adders, 15 full-adders
C. 16 half-adders, no full-adders
D. 4 half-adders, 12 full-adders
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 1 half-adders, 15 full-adders
5. Conversion of hexadecimal number 6B2
16
to it's binary number equivalent is
Options
A. 1111000110111
2
B. 011010110010
2
C. 0110011001111
2
D. 11111111
2
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 011010110010
2
6. 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
7. 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
8. 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
9. 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
10. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: 1100011
2
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