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Digital Computer Electronics

Digital Computer Electronics
What is the hexadecimal equivalent of a binary number 10101111

8C
9E
None of these
All of these
AF

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Digital Computer Electronics
The number of two-input NAND gates required to produce the two-input OR function is

4
1
3
None of these
2

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Digital Computer Electronics
A multiplexer is also known as

coder
decoder
data selector
multivibrator
None of these

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Digital Computer Electronics
The two basic technologies for digital ICs are bipolar and MOS. Bipolar technology is preferred for_____ and _____ whereas MOS technology is better suited to LSI.

None of these
SSI, LSI
ECL, DTL
SSI, MSI
MSI, LSI

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Digital Computer Electronics
An inverter is also called a _____ gate.

AND
OR
None of these
NAND
NOT

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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

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

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