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Digital Computer Electronics

Digital Computer Electronics
The 2's compliment of binary number 010111.1100 is

None of these
101000.01
10111.0011
101000.0011
101001.11

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

OR
NOR
None of these
NAND
XOR

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Digital Computer Electronics
_____dominates the LSI field, and _____ is used extensively where lowest power consumption is necessary.

PMOS, CMOS
NMOS, PMOS
None of these
MOSFET, PMOS
NMOS, CMOS

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Digital Computer Electronics
How many inputs signals can a gate have?

None of these
two only
both (a) and (b)
more than one
one

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

hexadecimal
All of these
None of these
binary
decimal

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Digital Computer Electronics
An OR gate can be imagined as

switches connected in parallel
MOS transistors connected in series
switches connected in series
All of these
None of these

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