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Digital Computer Electronics

Digital Computer Electronics
The ASCII code is a 7-bit code for

numbers
other symbols
All of these
None of these
letters

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Digital Computer Electronics
Conversion of an octal number 1348 to a binary number is

10110112
11011002
10111002
None of these
1100112

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Digital Computer Electronics
_____is an abbreviation for binary digit.

None of these
0 and 1
bingit
bit
base

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Digital Computer Electronics
The time required for a pulse to decrease from 90 to 10 percent of its maximum value is known as

None of these
rise time
decay time
propagation delay
binary level transition period

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

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

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Digital Computer Electronics
One way to simplify the sum-of-products equation is to use boolean algebra. Another way is the _____ map.

De Morgan
Standard
None of these
Schottky
Karnaugh

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