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Digital Computer Electronics

Digital Computer Electronics
Multiplication of 478 by 528 is

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

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Digital Computer Electronics
A NOR gate has two or more input signals. All input must be _____ to get a high output

1's
some low some high
low
high
None of these

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Digital Computer Electronics
The octal equivalent of decimal 324.987 is

815.234
640.781
90.987
504.771
None of these

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Digital Computer Electronics
What is the 2's-complement representation of -24 in a 16-bit microcomputer?

None of these
0001 0001 1111 0011
0000 0000 0001 1000
1111 1111 1110 1000
1111 1111 1110 0111

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Digital Computer Electronics
What logic function is obtained by adding an inverter to the output of an AND gate?

NAND
None of these
OR
NOR
XOR

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Digital Computer Electronics
A combinational logic circuit which generates particular binary word or number is

None of these
decoder
encoder
demultiplexer
multiplexer

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