Which device has one input and many outputs? Multiplexer Demultiplexer Counter F

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Question
Which device has one input and many outputs?
Options
A. Multiplexer
B. Demultiplexer
C. Counter
D. Flip flop

Correct Answer

Demultiplexer

Explanation

Demultiplexer takes data from one line and directs it to any of its N output depending on the status of its select lines.

Digital Electronics problems

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1. In a ripple counter,
Options
A. whenever a flip flop sets to 1, the next higher FF toggles
B. whenever a flip flop sets to 0, the next higher FF remains unchanged
C. whenever a flip flop sets to 1, the next higher FF faces race condition
D. whenever a flip flop sets to 0, the next higher FF faces race condition

2. 2's complement of binary number 0101 is
Options
A. 1011
B. 1111
C. 1101
D. 1110

3. A memory system of size 16 k bytes is to be designed using memory chips which have 12 address lines and 4 data lines each. The number of such chips required to design the memory system is
Options
A. 2
B. 4
C. 8
D. 18

6. The greatest negative number which can be stored is 8 bit computer using 2's complement arithmetic is
Options
A. - 256
B. - 128
C. - 255
D. - 127

7. For the minterm designation Y = ? m (1, 3, 5, 7) the complete expression is
Options
A. Y = A BC + A B C
B. Y = A B C + A B C + ABC + A BC
C. Y = A B C + A B C + ABC + A BC
D. Y = A B C + ABC + A BC + A BC

10. An AND gate has two inputs A and B and one inhibit input 3, Output is 1 if
Options
A. A = 1, B = 1, S = 1
B. A = 1, B = 1, S = 0
C. A = 1, B = 0, S = 1
D. A = 1, B = 0, S = 0

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