Digital Computer Electronics problems
- 1. Conversion of binary number 1010000101112 to hexadecimal number is
Options- A. D8F916
- B. A8B916
- C. A1716
- D. D9F816
- E. None of the above Discuss
Correct Answer: A1716
- 2. Which logic family dissipates the minimum power?
Options- A. DTL
- B. TTL
- C. ECL
- D. CMOS
- E. None of the above Discuss
Correct Answer: CMOS
- 3. Conversion of decimal number 7110 to it's binary number equivalent is
Options- A. 1100112
- B. 11100112
- C. 01100112
- D. 10001112
- E. None of the above Discuss
Correct Answer: 10001112
- 4. De Morgan's first theorem says that a NOR gate is equivalent to a bubbled _____ gate.
Options- A. AND
- B. XAND
- C. XOR
- D. NOR
- E. None of the above Discuss
Correct Answer: AND
- 5. Conversion of an octal number 1438 to its decimal number is
Options- A. 9010
- B. 97110
- C. 9910
- D. 10710
- E. None of the above Discuss
Correct Answer: 9910
- 6. ASCII and EBCDIC differ in
Options- A. their efficiency in storing data
- B. the random and sequential access method
- C. the number of bytes used to store characters
- D. their collecting sequences
- E. None of the above Discuss
Correct Answer: their collecting sequences
- 7. Express -7 as 16-bit signed binary numbers.
Options- A. 0000 0000 0000 0111
- B. 1000 0000 0000 0111
- C. . 0111 0000 0000 0001
- D. 0111 0000 0000 0000
- E. None of the above Discuss
Correct Answer: 1000 0000 0000 0111
- 8. Addition of 102 and 112 is
Options- A. 1002
- B. 1012
- C. 1112
- D. 1102
- E. None of the above Discuss
Correct Answer: 1012
- 9. The binary number 1100 0101 has _____ bytes
Options- A. 1
- B. 2
- C. 4
- D. 8
- E. None of the above Discuss
Correct Answer: 1
- 10. When a transistor is cut off or saturated, transistor _____ have almost no effect
Options- A. wave
- B. variations
- C. stage
- D. circuits
- E. None of the above Discuss
Correct Answer: variations
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