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Comments
Question
Conversion of an octal number 60
8
to binary number is
Options
A. 110000
2
B. 10011
2
C. 1100111
2
D. 1100110
2
E. None of the above
Correct Answer
110000
2
Digital Computer Electronics problems
Search Results
1. The octal equivalent of decimal 324.987 is
Options
A. 504.771
B. 640.781
C. 815.234
D. 90.987
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 504.771
2. A full-adder adds _____ bits, and producing a SUM and a _____
Options
A. 8, SUBTRACTION
B. 3, CARRY
C. 16, DIVIDE
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 3, CARRY
3. Which of the following electronic component is not found in ordinary ICs?
Options
A. diodes
B. resistors
C. transistors
D. inductors
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: inductors
4. The clock signals are used in sequential logic circuits
Options
A. to tell the time of the day
B. to tell how much time has elapsed since the system was turned on
C. to carry serial data signals
D. to synchronize events in various parts of a system
E. None of the above
Show Answer
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Discuss
Correct Answer: to synchronize events in various parts of a system
5. A preliminary guide for comparing the simplicity of logic circuits is to count the number of input _____ leads.
Options
A. wire
B. bus
C. gate
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: gate
6. One way to simplify the sum-of-products equation is to use boolean algebra. Another way is the _____ map.
Options
A. De Morgan
B. Standard
C. Schottky
D. Karnaugh
E. None of the above
Show Answer
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Discuss
Correct Answer: Karnaugh
7. Addition of 110101101
2
, 111011101
2
, 000111111
2
, 100101101
2
, 111110111
2
is
Options
A. 1011010111010
2
B. 1111011000010
2
C. 1000101000101
2
D. 01001000000010
2
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 1011010111010
2
8. Conversion of a octal number 63
8
to its decimal number is
Options
A. 51
10
B. 61
10
C. 57
10
D. 53
10
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 51
10
9. A flip-flop is a _____ element that stores a binary digit as a low or high voltage.
Options
A. chip
B. bus
C. I/O
D. memory
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: memory
10. Conversion of binary number 1100011
2
to its decimal number is
Options
A. 29
10
B. 97
10
C. 99
10
D. 93
10
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 99
10
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