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Digital Computer Electronics

Digital Computer Electronics
A logic circuit which is used to change a BCD number into an equivalent decimal number is

multiplexer
code converter
encoder
decoder
None of these

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Digital Computer Electronics
What advantages do ICs have over discrete-device circuits due to their greater complexity (i.e. more circuitary in less area)

Higher reliability
All of these
None of these
Smaller size
Lower cost

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Digital Computer Electronics
FETs are used in linear ICs to:

provide large resistances
increase input resistance
None of these
increase device complexity
(a) and (b) above

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Digital Computer Electronics
Conversion of an octal number 738 to binary number is

1100102
1111002
1101112
None of these
1110112

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Digital Computer Electronics
A NAND gate is equivalent to an AND gate followed by an inverter. All inputs must be _____ to get a low output

low
None of these
0's
high
some low and some high

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Digital Computer Electronics
An OR gate can be imagined as

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

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