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Digital Computer Electronics
Comments
Question
Why are digital circuits easier to design than analog circuits?
Options
A. they do not control electricity precisely over a wide range
B. they are made in the form of ICs
C. all elements of digital circuit are from the same family
D. they are smaller in size
E. None of the above
Correct Answer
they do not control electricity precisely over a wide range
Digital Computer Electronics problems
Search Results
1. Conversion of an octal number 3137
8
to it's decimal equivalent is
Options
A. 1631
10
B. 1632
10
C. 1531
10
D. 1931
10
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 1631
10
2. The number of binary bits required to represent a hexadecimal digit is
Options
A. 3
B. 4
C. 6
D. 8
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 4
3. Conversion of decimal number 28
10
to it's octal number equivalent is
Options
A. 32
8
B. 40
8
C. 34
8
D. 36
8
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 34
8
4. The memory cell of a dynamic RAM is simpler and smaller than the memory cell of a _____ RAM.
Options
A. volatile
B. static
C. semiconductor
D. bipolar
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: static
5. Conversion of an octal number 143
8
to hexadecimal number is
Options
A. 63
16
B. 60
16
C. 50
16
D. 57
16
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 63
16
6. A _____ is a group of devices that store digital data.
Options
A. circuits
B. register
C. variations
D. bit
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: register
7. A microprocessor has memory locations from 0000 to 3FFF. Each memory location stores 1 byte. How bytes can the memory store? Express this in kilobytes?
Options
A. 4,095, 4K
B. 16,384, 16K
C. 32,740, 32K
D. 46,040, 46K
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 16,384, 16K
8. 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
9. 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
10. 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
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