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- Question
The Memory Address Register
Options- A. is a hardware memory device which denotes the location of the current instruction being executed.
- B. is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.
- C. contains the address of the memory location that is to be read from or stored into.
- D. contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".
- E. None of the above
- Correct Answer
- contains the address of the memory location that is to be read from or stored into.
- 1. During boot-up, the memory test:
Options- A. Is a superfluous step that should be ignored
- B. Checks and verifies that contiguous memory is installed
- C. Is an operational error
- D. Displays what memory is installed, but nothing else
- E. None of the above Discuss
- 2. Missing slot covers on a computer can cause?
Options- A. over heat
- B. power surges
- C. EMI.
- D. incomplete path for ESD
- E. None of the above Discuss
- 3. On the 16-bit ISA bus, IRQ2 is elevated to which higher level Interrupt?
Options- A. 9
- B. 11
- C. 13
- D. 15
- E. None of the above Discuss
- 4. A numeric error code check: A 17xx indicates a problem with:
Options- A. CMOS
- B. ROM BIOS
- C. DMA controller
- D. hard drive or controller
- E. power supply Discuss
- 5. Topically, how many type III PC cards can you insert in a laptop
Options- A. 1
- B. 2
- C. 3
- D. 4
- E. None of the above Discuss
- 6. Bug means
Options- A. A logical error in a program
- B. A difficult syntax error in a program
- C. Documenting programs using an efficient documentation tool
- D. All of the above
- E. None of the above Discuss
- 7. While working with MS-DOS, which command will you use to transfer a specific file from one disk to another?
Options- A. DISKCOPY
- B. COPY
- C. RENAME
- D. FORMAT
- E. None of the above Discuss
- 8. Which of the following systems software does the job of merging the records from two files into one?
Options- A. Security software
- B. Utility program
- C. Networking software
- D. Documentation system
- E. None of the above Discuss
- 9. A non-relocatable program is one which
Options- A. cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation.
- B. consists of a program and relevant information for its relocation.
- C. can itself performs the relocation of its address-sensitive portions.
- D. all of the above
- E. None of the above Discuss
- 10. The register or main memory location which contains the effective address of the operand is known as
Options- A. pointer
- B. indexed register
- C. special location
- D. scratch pad
- E. None of the above Discuss
Operating Systems Concepts problems
Search Results
Correct Answer: Checks and verifies that contiguous memory is installed
Correct Answer: over heat
Correct Answer: 9
Correct Answer: hard drive or controller
Correct Answer: 1
Correct Answer: A logical error in a program
Correct Answer: COPY
Correct Answer: Utility program
Correct Answer: cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation.
Correct Answer: pointer
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