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Digital Computer Electronics
Comments
Question
What does 4k represent?
Options
A. 4000
B. 4096
C. 40
D. 400
E. None of the above
Correct Answer
4096
Digital Computer Electronics problems
Search Results
1. The number of two-input NAND gates required to produce the two-input OR function is
Options
A. 1
B. 2
C. 3
D. 4
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 3
2. Conversion of binary number 110000
2
to hexadecimal is
Options
A. 30
16
B. 40
16
C. 43
16
D. 27
16
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 30
16
3. Cyclic codes are used in
Options
A. data transfer
B. continuously varying signal representation
C. arithmetic and logical computation
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: continuously varying signal representation
4. A multiplexer is also known as
Options
A. coder
B. decoder
C. data selector
D. multivibrator
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: data selector
5. The logic 1 in positive logic system is represented by:
Options
A. zero voltage
B. lower voltage level
C. higher voltage level
D. negative voltage
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: higher voltage level
6. The two basic technologies for digital ICs are bipolar and MOS. Bipolar technology is preferred for_____ and _____ whereas MOS technology is better suited to LSI.
Options
A. SSI, MSI
B. MSI, LSI
C. SSI, LSI
D. ECL, DTL
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: SSI, MSI
7. What is the main advantage of using MOSFET rather than bipolar transistor circuitary in ICs?
Options
A. much greater complexity (more components) than bipolar circuits : better economy
B. higher operating speed than bipolar circuits
C. fewer power supply connections are required with MOS ICs
D. system designers are more familiar with MOS circuitary
Show Answer
Scratch Pad
Discuss
Correct Answer: much greater complexity (more components) than bipolar circuits : better economy
8. Conversion of decimal number 42
10
to it's octal number equivalent is
Options
A. 57
8
B. 42
8
C. 47
8
D. 52
8
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 52
8
9. Conversion of binary number 11111
2
to an octal number is
Options
A. 35
8
B. 32
8
C. 37
8
D. 42
8
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 37
8
10. The 1's compliment of binary number 11010 is:
Options
A. 00101
B. 00010
C. 00110
D. 11101
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 00101
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