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Digital Computer Electronics

Digital Computer Electronics
Addition of 102 and 112 is

None of these
1012
1002
1102
1112

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Digital Computer Electronics
The 7400 series, also called standard TTL, contains a variety of SSI and _____ chips that allow us to build all kinds of digital circuits and systems.

MSI
MOSFET
MOS
LSI
None of these

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Digital Computer Electronics
With an RS latch a high S and low R sets the output to _____ ; a low S and a high R _____ the output to low.

high, reset
Race, high
None of these
No change, set
set, reset

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

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

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

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

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Digital Computer Electronics
Binary-Coded-decimal (BCD) numbers express each digit as a _____

nibble
bit
All of these
byte
None of these

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