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Digital Computer Electronics
Comments
Question
Express 8192 in K units.
Options
A. 8 x 10
3
K
B. 8.192 k
C. 8K
D. All of the above
E. None of the above
Correct Answer
8K
Digital Computer Electronics problems
Search Results
1. What is the 2's-complement representation of -24 in a 16-bit microcomputer?
Options
A. 0000 0000 0001 1000
B. 1111 1111 1110 0111
C. 1111 1111 1110 1000
D. 0001 0001 1111 0011
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 1111 1111 1110 1000
2. Computers use thousands of flip-flops. To coordinate the overall action, a common signal called the _____ is sent to each flip-flop.
Options
A. latch
B. clock
C. master
D. slave
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: clock
3. Conversion of an octal number 142
8
to binary number is
Options
A. 1100010
2
B. 110110
2
C. 1100011
2
D. 1101101
2
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 1100010
2
4. Which gates is known as universal gate?
Options
A. NOT gate
B. AND gate
C. NAND gate
D. XOR gate
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: NAND gate
5. Conversion of decimal number 93
10
to hexadecimal number is
Options
A. 2D
16
B. 5D
16
C. 62
16
D. 31
16
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 5D
16
6. Conversion of hexadecimal number 1D7F
16
to a decimal number is
Options
A. 7551
10
B. 8771
10
C. 5557
10
D. 7781
10
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 7551
10
7. Multiplication of 47
8
by 52
8
is
Options
A. (3144)
8
B. (4147)
8
C. (3146)
8
D. (3184)
8
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: (3146)
8
8. Which of the following is a universal gate?
Options
A. AND
B. OR
C. EX-OR
D. NAND
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: NAND
9. Binary-Coded-decimal (BCD) numbers express each digit as a _____
Options
A. byte
B. nibble
C. bit
D. All of the above
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: nibble
10. The functional capacity for LSI devices is
Options
A. 1 to 11 gates
B. 12 to 99 gates
C. 100 to 10,000 gates
D. more than 10,000 gates
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 100 to 10,000 gates
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