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- Question
A logic circuit which is used to change a BCD number into an equivalent decimal number is
Options- A. decoder
- B. encoder
- C. multiplexer
- D. code converter
- E. None of the above
- Correct Answer
- decoder
- 1. The 2764 is 65,536-bit EPROM organized as 8,192 words of 8 bits each. How many address lines does it have?
Options- A. 12
- B. 14
- C. 13
- D. 8
- E. None of the above Discuss
- 2. Conversion of an octal number 1068 to binary number is
Options- A. 11100102
- B. 10001102
- C. 11001102
- D. 100001102
- E. None of the above Discuss
- 3. A 2's-complement adder-subtracter can add or subtract binary numbers. Sign-magnitude numbers represent _____ decimal numbers, and 2's complements stand for _____ decimal numbers.
Options- A. hexa, sign
- B. sign, hexa
- C. positive, negative
- D. negative, positive
- E. None of the above Discuss
- 4. Conversion of binary number 10010102 to to its decimal number is
Options- A. 7410
- B. 9710
- C. 7210
- D. 6310
- E. None of the above Discuss
- 5. The digits used in a binary number system are _____ and _____
Options- A. 9 and 0
- B. 0 and 1
- C. 1 and 2
- D. 3 and 4
- E. None of the above Discuss
- 6. Small-scale integration, abbreviated _____ refers to fewer than 12 gates on the same chip. Medium-scale integration (MSI) means 12 to 100 gates per chip. And large-scale integration (LSI) refers to more than _____ gates per chip.
Options- A. SSI, 75
- B. SSI, 100
- C. SSI, 1000
- D. SSI, 10000
- E. None of the above Discuss
- 7. The _____ is ultraviolet-light-erasable and electrically programmable. This allows the user to erase and store until programs and data are perfected.
Options- A. EPROM
- B. ROM
- C. PROM
- D. RAM
- E. None of the above Discuss
- 8. A shift register can be used for:
Options- A. parallel to serial conversion
- B. serial to parallel conversion
- C. digital delay line
- D. all of the above
- E. None of the above Discuss
- 9. Conversion of binary number 1000112 to an octal number is
Options- A. 438
- B. 478
- C. 498
- D. 508
- E. None of the above Discuss
- 10. What is the hexadecimal equivalent of a binary number 10101111
Options- A. AF
- B. 9E
- C. 8C
- D. All of the above
- E. None of the above Discuss
Digital Computer Electronics problems
Search Results
Correct Answer: 13
Correct Answer: 10001102
Correct Answer: positive, negative
Correct Answer: 7410
Correct Answer: 0 and 1
Correct Answer: SSI, 100
Correct Answer: EPROM
Correct Answer: all of the above
Correct Answer: 438
Correct Answer: AF
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