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Digital Computer Electronics

Digital Computer Electronics
An AND gate has 7 inputs, what is the only input word that produces a 1 output?

1110000
None of these
1111111
1111

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Digital Computer Electronics
Addition of 102 and 112 is

None of these
1012
1102
1112
1002

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Digital Computer Electronics
Conversion of decimal number 9910 to it's octal number equivalent is

1438
1218
1198
None of these
1248

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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.

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

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Digital Computer Electronics
Which of the following boolean algebra statements represent commutative law

A+BB+A
(B+C)(A.B)+(A.C)
(A+B)+CA+(B+C)
A+AA
None of these

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

None of these
OR
XOR
AND
XAND

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