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Digital Computer Electronics

Digital Computer Electronics
The ALU carries out arithmetic and logic operations. It processes _____ numbers rather than decimal numbers.

binary
hexadecimal
All of these
None of these
decimal

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Digital Computer Electronics
What is the ASCII code for T?

1010100
1011111
1011010
None of these
1011100

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Digital Computer Electronics
The time required for a pulse to decrease from 90 to 10 percent of its maximum value is known as

decay time
None of these
binary level transition period
propagation delay
rise time

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Digital Computer Electronics
Multiplication of 478 by 528 is

(3144)8
None of these
(3184)8
(3146)8
(4147)8

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

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

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Digital Computer Electronics
Which of the following TTL subfamily is the fastest

standard TTL
None of these
low-speed TTL
high-speed TTL
schottky TTL

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