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Digital Computer Electronics

Digital Computer Electronics
Multiplication of 478 by 528 is

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

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Digital Computer Electronics
A 2's-complement adder-subtracter can add or subtract binary numbers. Sign-magnitude numbers represent _____ decimal numbers, and 2's complements stand for _____ decimal numbers.

None of these
hexa, sign
negative, positive
positive, negative
sign, hexa

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Digital Computer Electronics
BCD numbers are useful whenever _____ information is transferred into or out of a digital system.

hexadecimal
ASCII
decimal
binary
None of these

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

All of these
AF
9E
8C
None of these

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Digital Computer Electronics
Binary means _____

Ten
Four
Two
Three
None of these

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Digital Computer Electronics
Conversion of binary number 11000112 to hexadecimal is

None of these
5716
4616
4016
6316

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