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Digital Computer Electronics

Digital Computer Electronics
Conversion of binary number 11011001111110002 to hexadecimal number is

D9F816
78916
A8B916
None of these
D8F816

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

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

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Digital Computer Electronics
_____is an abbreviation for binary digit.

0 and 1
bingit
base
bit
None of these

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Digital Computer Electronics
A microprocessor has memory locations from 0000 to 3FFF. Each memory location stores 1 byte. How bytes can the memory store? Express this in kilobytes?

32,740, 32K
46,040, 46K
4,095, 4K
None of these
16,384, 16K

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Digital Computer Electronics
The output 0 and 1 levels for TTL logic family is approximately

None of these
0.1 and 5 V
-1.75 and -0.9 V
0.6 and 3.5 V
0.9 and 1.75V

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Digital Computer Electronics
Which of the following is not true?

None of these
1 x 1 = 1
0X0 = 0
1 x 0 = 0
0 x 1 = 1

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