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Digital Computer Electronics

Digital Computer Electronics
The Gray code for decimal 7 is

None of these
101
100
111
1011

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

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

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Digital Computer Electronics
De Morgan's second therm says that NAND gate is equivalent to a bubbled _____ gate.

AND
XOR
OR
XAND
None of these

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Digital Computer Electronics
What is the ASCII code for T?

1010100
1011010
1011100
None of these
1011111

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Digital Computer Electronics
Small-scale integration, abbreviated _____ refers to fewer than 12 gates on the same chip. Medium-scale integration (MSI) means 12 to 100 gates per chip. And large-scale integration (LSI) refers to more than _____ gates per chip.

SSI, 10000
SSI, 100
SSI, 75
SSI, 1000
None of these

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Digital Computer Electronics
When a transistor is cut off or saturated, transistor _____ have almost no effect

None of these
stage
wave
variations
circuits

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