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Digital Computer Electronics

Digital Computer Electronics
Conversion of an octal number 1438 to its decimal number is

97110
9010
9910
10710
None of these

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Digital Computer Electronics
A demultiplexer is also known as

encoder
data distributor
None of these
data selector
multiplexer

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Digital Computer Electronics
Semiconductor memory is:

somewhat slower than magnetic core memory
None of these
somewhat larger than the magnetic core memory
All of these
a volatile memory

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Digital Computer Electronics
A flip-flop can store:

None of these
2 bits of data
1 bits of data
3 bits of data
4 bits of data

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Digital Computer Electronics
The simplified form of the Boolean expression (X + Y + XY)(X + Z) is

XZ + Y
X + YZ
X + Y + Z
None of these
XY + YZ

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

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

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