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Digital Computer Electronics

Digital Computer Electronics
The ASCII code is a 7-bit code for

numbers
other symbols
None of these
All of these
letters

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Digital Computer Electronics
Conversion of an octal number 1368 to hexadecimal number is

5D16
70000000000000000
None of these
5A16
50000000000000000

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Digital Computer Electronics
A half-adder adds _____ bits

8
2
None of these
10
16

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Digital Computer Electronics
What is the hexadecimal equivalent of a binary number 10101111

All of these
None of these
9E
8C
AF

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Digital Computer Electronics
Which of the following boolean algebra statements represent commutative law

(A+B)+CA+(B+C)
A+BB+A
(B+C)(A.B)+(A.C)
A+AA
None of these

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Digital Computer Electronics
One way to simplify the sum-of-products equation is to use boolean algebra. Another way is the _____ map.

Standard
Karnaugh
De Morgan
None of these
Schottky

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