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Digital Computer Electronics
Comments
Question
Conversion of binary number 101110
2
to an octal number is
Options
A. 35
8
B. 46
8
C. 56
8
D. 50
8
E. None of the above
Correct Answer
56
8
Digital Computer Electronics problems
Search Results
1. The hexadecimal number system is widely used in analyzing and programming ______
Options
A. registers
B. chips
C. microprocessors
D. vacuum tube
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: microprocessors
2. How many outputs signals can a gate have?
Options
A. one
B. more than one
C. two only
D. both (a) and (b)
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: one
3. Conversion of binary number 1100001
2
to hexadecimal is
Options
A. 57
16
B. 61
16
C. 51
16
D. 43
16
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 61
16
4. The fan-out capability of a digital building block can be defined as
Options
A. the number of inputs that one output can transmit to
B. the amount of cooling required for fanning the hear out
C. the number of inputs that can transmit to one input
D. the maximum power dissipation (heat generation) that the unit can stand.
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: the number of inputs that one output can transmit to
5. A combinational logic circuit which is used to send data coming from a single source to two or more separate destinations is called as
Options
A. decoder
B. encoder
C. multiplexer
D. demultiplexer
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: demultiplexer
6. Which of the following is not functionally a complete set?
Options
A. AND, OR
B. NAND
C. NOR
D. AND, OR, NOT
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: AND, OR
7. A binary adder is a logic circuit that can add _____ binary numbers at a time.
Options
A. Hundreds
B. Thousands
C. One
D. Two
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Two
8. Names, numbers, and other information needed to solve a problem are called _____
Options
A. program
B. instruction
C. data
D. controls
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: data
9. The main advantage of hexadecimal numbers is the case of conversion from hexadecimal to _____ and vice versa.
Options
A. decimal
B. binary
C. ASCE
D. BCD
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: binary
10. A combinational logic circuit which generates particular binary word or number is
Options
A. decoder
B. multiplexer
C. encoder
D. demultiplexer
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: multiplexer
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