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Digital Computer Electronics

Digital Computer Electronics
Computer ICs work reliably because they are based on _____ design.

None of these
Two-states
Two-stage
System
Top-bottom

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

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

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Digital Computer Electronics
What is the ASCII code for T?

1011010
None of these
1011100
1011111
1010100

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Digital Computer Electronics
BCD numbers are useful whenever _____ information is transferred into or out of a digital system.

decimal
binary
ASCII
hexadecimal
None of these

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Digital Computer Electronics
ASCII and EBCDIC differ in

the random and sequential access method
their collecting sequences
their efficiency in storing data
None of these
the number of bytes used to store characters

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Digital Computer Electronics
What is the 1's complement of 0000 1111 0010 1101 number?

None of these
1111 0000 0010 1101
1001 0010 1010 1100
1111 0000 1101 0010
1111 1100 1010 1100

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