1 |
In _______ the Q output of the last flip-flop of the shift register is connected to the data input of the first flipflop. |
Moore machine
Meally machine
Johnson counter
Ring counter
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2 |
At T0 the value stored in a 4-bit left shift was “1”. What will be the value of register after three clock pulses? |
2
4
6
8
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3 |
A synchronous decade counter will have _______ flip-flops |
3
4
7
10
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4 |
A divide-by-50 counter divides the input ______ signal to a 1 Hz signal. |
10 Hz
50 Hz
100 Hz
500 Hz
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5 |
A counter is implemented using three (3) flip-flops, possibly it will have ________ maximum output status. |
3
7
8
15
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6 |
A negative edge-triggered flip-flop changes its state when ________________ |
Enable input (EN) is set
Preset input (PRE) is set
Low-to-high transition of clock
High-to-low transition of clock
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7 |
A positive edge-triggered flip-flop changes its state when ________________ |
Low-to-high transition of clock
High-to-low transition of clock
Enable input (EN) is set
Preset input (PRE) is set
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8 |
Demultiplexer converts _______ data to __________ data. |
Parallel data, serial data
Serial data, parallel data
Encoded data, decoded data
All of the given options
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9 |
The binary numbers A = 1100 and B = 1001 are applied to the inputs of a comparator. What are the output levels? |
A > B = 1, A < B = 0, A < B = 1
A > B = 0, A < B = 1, A = B = 0
A > B = 1, A < B = 0, A = B = 0
A > B = 0, A < B = 1, A = B = 1
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10 |
The OR Gate performs a Boolean _______ function |
Addition
Subtraction
Multiplication
Division
|