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- Question
What is Program counter?
- Correct Answer
- Program counter holds the address of either the first byte of the next instruction to be fetched for execution of the address of the next byte of a multi byte instruction, which has not been completely fetched In both the cases it gets incremented automatically one by one as the instruction bytes get fetched Also Program register keeps the address of the next instruction
- 1. In 8085 which is called as High order / Low order Rigister? Discuss
- 2. What is a Microprocessor? Discuss
- 3. How many bits are in an IPV4 address?
Options- A. 128 bits
- B. 64 bits
- C. 32 bits
- D. 16 bits Discuss
- 4. What does RSI stand for? Discuss
- 5. What are the best way to prevent a computer virus from entering your computer? Discuss
- 6. Name the processor lines of two major manufacturer? Discuss
- 7. What is the Maximum clock frequency in 8086? Discuss
- 8. What are the various segment registers in 8086? Discuss
- 9. What is SIM and RIM instructions? Discuss
- 10. Give two ways of converting a two input NAND gate to an inverter. Discuss
Hardware problems
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Correct Answer: Flag is called as Low order rigister & Accumulator is called as High order Rigister
Correct Answer: Microprocessor is a program-controlled device, which fetches the instructions from memory decodes and executes the instructions Most Micro Processors are single-chip devices
Correct Answer: 32 bits
Explanation:
IPV4 Internet Protocol Version 4 has 32 bits of address.
Correct Answer: Repetitive Strain Injury
Correct Answer: 1Logout of your computer each time you have finished using it 2Install and use anti-virus software on your computer 3Do not use emails on your machine 4Make sure all your files are safely stored to your floppy disks
Correct Answer: High-end: Intel - Pentium (II, III, 4) AMD - Athlon Low-end: Intel - Celeron, AMD - Duron 64-bit: Intel - Itanium 2, AMD - Opteron
Correct Answer: 5 Mhz is the Maximum clock frequency in 8086
Correct Answer: Code, Data, Stack, Extra Segment registers in 8086
Correct Answer: SIM is Set Interrupt Mask Used to mask the hardware interrupts RIM is Read Interrupt Mask Used to check whether the interrupt is Masked or not
Correct Answer: One way is shorting the two inputs of the NAND gate and passing the input truth table: A B output 1 1 0 0 0 1 The second way is passing the input to only one input (say A) of the NAND gate Since the other input (say B is floating, it is always logic one Truth table: A B output 1 1 0 0 1 1
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