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Digital Computer Electronics

Digital Computer Electronics
The logic 1 in positive logic system is represented by:

negative voltage
higher voltage level
zero voltage
lower voltage level
None of these

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Digital Computer Electronics
A positive AND gate is also a negative

OR gate
NOR gate
AND gate
NAND gate
None of these

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Digital Computer Electronics
A half-adder is also known as:

AND circuit
NOR circuit
None of these
NAND circuit
EX-OR circuit

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Digital Computer Electronics
Subtraction of 1001011002 from 11101010102 is

11110000012
None of these
10010111102
1101000012
11110111112

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Digital Computer Electronics
What advantages do ICs have over discrete-device circuits due to their greater complexity (i.e. more circuitary in less area)

Lower cost
Higher reliability
All of these
Smaller size
None of these

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Digital Computer Electronics
The maximum count which a 6-bit binary word can represent is

None of these
64
63
36
65

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