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Digital Computer Electronics

Digital Computer Electronics
Conversion of an octal number 1108 to its decimal number is

7310
7010
None of these
7210
11010

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Digital Computer Electronics
Which logic family dissipates the minimum power?

CMOS
None of these
DTL
ECL
TTL

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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)

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

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Digital Computer Electronics
Arithmetic operation are coded in

Terminal symbols
None of these
Processing symbols
Decision symbols
Input/Outpur(I/0)

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Digital Computer Electronics
The 2's compliment of binary number 010111.1100 is

None of these
101000.01
10111.0011
101000.0011
101001.11

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Digital Computer Electronics
Which of the following Boolean algebra rules is wrong?

1 + A = 1
0 + A = A
1 . x = 1
A + A = A
None of these

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