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Digital Computer Electronics
Comments
Question
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
Correct Answer
decimal
Digital Computer Electronics problems
Search Results
1. 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
2. _____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
3. 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
4. Addition of 110101
2
and 101111
2
is
Options
A. 1100100
2
B. 1101000
2
C. 1110111
2
D. 110011
2
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 1100100
2
5. Conversion of decimal number 61
10
to it's binary number equivalent is
Options
A. 111101
2
B. 111100
2
C. 110011
2
D. 001101
2
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 111101
2
6. 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
7. 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
Show Answer
Scratch Pad
Discuss
Correct Answer: 5D
16
8. 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
9. 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
10. 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
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