Digital Computer Electronics problems
- 1. The number of input words in a truth table always equals _____ where n is the number of inputs bits.
Options- A. 10n
- B. 2n
- C. 4n
- D. 8n
- E. None of the above Discuss
Correct Answer: 2n
- 2. What is the ASCII code for T?
Options- A. 1010100
- B. 1011010
- C. 1011100
- D. 1011111
- E. None of the above Discuss
Correct Answer: 1010100
- 3. Conversion of decimal number 6110 to it's binary number equivalent is
Options- A. 1111012
- B. 1111002
- C. 1100112
- D. 0011012
- E. None of the above Discuss
Correct Answer: 1111012
- 4. Addition of 1101012 and 1011112 is
Options- A. 11001002
- B. 11010002
- C. 11101112
- D. 1100112
- E. None of the above Discuss
Correct Answer: 11001002
- 5. Conversion of decimal number 9910 to it's octal number equivalent is
Options- A. 1218
- B. 1438
- C. 1248
- D. 1198
- E. None of the above Discuss
Correct Answer: 1438
- 6. _____is an abbreviation for binary digit.
Options- A. 0 and 1
- B. bingit
- C. base
- D. bit
- E. None of the above Discuss
Correct Answer: bit
- 7. An inventor is a gate with only _____ input; the output is always in the opposite state from the input
Options- A. one
- B. two
- C. more than one
- D. All of the above
- E. None of the above Discuss
Correct Answer: one
- 8. BCD numbers are useful whenever _____ information is transferred into or out of a digital system.
Options- A. decimal
- B. binary
- C. ASCII
- D. hexadecimal
- E. None of the above Discuss
Correct Answer: decimal
- 9. The _____ gate has two or more input signals. All inputs must be high to get a high output
Options- A. OR
- B. NAND
- C. AND
- D. NOR
- E. None of the above Discuss
Correct Answer: AND
- 10. Conversion of decimal number 9310 to hexadecimal number is
Options- A. 2D16
- B. 5D16
- C. 6216
- D. 3116
- E. None of the above Discuss
Correct Answer: 5D16
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