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Digital Computer Electronics

Digital Computer Electronics
Which of the following logic expression is wrong?

None of these
1 + 0=1
1 + 1 + 1 = 1
1 + 1=0
1+0+1 = 1

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Digital Computer Electronics
Conversion of decimal number 9910 to hexadecimal number is

816
5016
None of these
6316
6116

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Digital Computer Electronics
An AND gate has 7 inputs. How many input word are in its truth table?

16
32
None of these
128
64

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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.

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

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Digital Computer Electronics
The inverter OR gate and AND gate are called decision-making elements because they can recognize some input _____ while disregarding others. A gate recognizes a word when its output is _____

None of these
bytes, low
bytes, high
words, high
character, low

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Digital Computer Electronics
How many inputs signals can a gate have?

more than one
one
None of these
both (a) and (b)
two only

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