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Digital Computer Electronics

Digital Computer Electronics
The number of input words in a truth table always equals _____ where n is the number of inputs bits.

2n
10n
4n
None of these
8n

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Digital Computer Electronics
Which of the following is not functionally a complete set?

NOR
NAND
AND, OR
AND, OR, NOT
None of these

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Digital Computer Electronics
Which of the following flip-flops is free from race around problem?

T flip-flop
master slave JK flip-flop
SR flip-flop
None of these
All 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
sign, hexa
positive, negative
negative, positive

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Digital Computer Electronics
Conversion of decimal number 9910 to it's octal number equivalent is

1198
1248
1438
None of these
1218

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Digital Computer Electronics
A combinational logic circuit which is used to send data coming from a single source to two or more separate destinations is called as

None of these
encoder
decoder
demultiplexer
multiplexer

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