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- Question
An unused input of a NAND gate can be left unconnected, pulled high by a pull-up resistor and tied together with another input and not change the logic output.
Options- A. True
- B. False
- Correct Answer
- True
- 1. How many 2K × 8 ROM chips would be required to build a 16K × 8 memory system?
Options- A. 2
- B. 4
- C. 8
- D. 16 Discuss
- 2. Which of the following memories uses a MOS capacitor as its memory cell?
Options- A. SRAM
- B. DRAM
- C. ROM
- D. FIFO Discuss
- 3. The checksum method is used to test ________.
Options- A. ROM
- B. EEPROM
- C. FPLA
- D. RAM Discuss
- 4. In a register stack, data moves up but not down.
Options- A. True
- B. False Discuss
- 5. The decimal number for octal 748 is ________.
Options- A. 74
- B. 60
- C. 22
- D. 62 Discuss
- 6. What is the resultant binary of the decimal problem 49 + 01 =?
Options- A. 01010101
- B. 00110101
- C. 00110010
- D. 00110001 Discuss
- 7. Data transfer from I/O to external data memory can only be done with the MOVX command.
Options- A. True
- B. False Discuss
- 8. What is the decimal value of 23 ?
Options- A. 2
- B. 4
- C. 6
- D. 8 Discuss
- 9. Which type of ROM can be erased by UV light?
Options- A. ROM
- B. mask ROM
- C. EPROM
- D. EEPROM Discuss
- 10. How many bits are in an ASCII character?
Options- A. 16
- B. 8
- C. 7
- D. 4 Discuss
More questions
Correct Answer: 8
Correct Answer: DRAM
Correct Answer: ROM
Correct Answer: False
Correct Answer: 60
Correct Answer: 00110010
Correct Answer: True
Correct Answer: 8
Explanation:
2
3 = 2*2*2=8
Correct Answer: EPROM
Correct Answer: 7
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