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Comments
Question
Conversion of decimal number 93
10
to hexadecimal number is
Options
A. 2D
16
B. 5D
16
C. 62
16
D. 31
16
E. None of the above
Correct Answer
5D
16
Digital Computer Electronics problems
Search Results
1. The _____ gate has two or more input signals. All inputs must be high to get a high output
Options
A. OR
B. NAND
C. AND
D. NOR
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: AND
2. BCD numbers are useful whenever _____ information is transferred into or out of a digital system.
Options
A. decimal
B. binary
C. ASCII
D. hexadecimal
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: decimal
3. An inventor is a gate with only _____ input; the output is always in the opposite state from the input
Options
A. one
B. two
C. more than one
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: one
4. _____is an abbreviation for binary digit.
Options
A. 0 and 1
B. bingit
C. base
D. bit
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: bit
5. Conversion of decimal number 99
10
to it's octal number equivalent is
Options
A. 121
8
B. 143
8
C. 124
8
D. 119
8
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 143
8
6. Which gates is known as universal gate?
Options
A. NOT gate
B. AND gate
C. NAND gate
D. XOR gate
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: NAND gate
7. Conversion of an octal number 142
8
to binary number is
Options
A. 1100010
2
B. 110110
2
C. 1100011
2
D. 1101101
2
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 1100010
2
8. Computers use thousands of flip-flops. To coordinate the overall action, a common signal called the _____ is sent to each flip-flop.
Options
A. latch
B. clock
C. master
D. slave
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: clock
9. What is the 2's-complement representation of -24 in a 16-bit microcomputer?
Options
A. 0000 0000 0001 1000
B. 1111 1111 1110 0111
C. 1111 1111 1110 1000
D. 0001 0001 1111 0011
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 1111 1111 1110 1000
10. Express 8192 in K units.
Options
A. 8 x 10
3
K
B. 8.192 k
C. 8K
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 8K
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