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- Question
Addressing structure
Options- A. defines the fundamental method of determining effective operand addresses
- B. are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
- C. performs indicated operations on two fast registers of the machine and leave the result in one of the registers.
- D. all of the above
- E. None of the above
- Correct Answer
- defines the fundamental method of determining effective operand addresses
- 1. Thrashing can be avoided if
Options- A. the pages, belonging to the working set of the programs, are in main memory
- B. the speed of CPU is increased
- C. the speed of I/O processor is increased
- D. all of the above
- E. None of the above Discuss
- 2. A system program that sets up an executable program in main memory ready for execution is
Options- A. assembler
- B. linker
- C. loader
- D. compiler
- E. None of the above Discuss
- 3. The principle of locality of reference justifies the use of
Options- A. reenterable
- B. non reusable
- C. virtual memory
- D. cache memory
- E. None of the above Discuss
- 4. What is the name given to the organized collection of software that controls the overall operation of a computer?
Options- A. Working system
- B. Peripheral system
- C. Operating system
- D. Controlling system
- E. None of the above Discuss
- 5. A system program that combines the separately compiled modules of a program into a form suitable for execution
Options- A. assembler
- B. linking loader
- C. cross compiler
- D. load and go
- E. None of the above Discuss
- 6. Which of the following refers to the associative memory?
Options- A. the address of the data is generated by the CPU
- B. the address of the data is supplied by the users
- C. there is no need for an address i.e. the data is used as an address
- D. the data are accessed sequentially
- E. None of the above Discuss
- 7. In which addressing mode the effective address of the operand is the contents of a register specified in the instruction and after accessing the operand, the contents of this register is incremented to point to the next item in the list?
Options- A. index addressing
- B. indirect addressing
- C. auto increment
- D. auto decrement
- E. None of the above Discuss
- 8. Which of the following functions is(are) performed by the loader
Options- A. allocate space in memory for the programs and resolve symbolic references between object decks
- B. adjust all address dependent locations, such as address constants, to correspond to the allocated space.
- C. physically place the machine instructions and data into memory.
- D. All of the above
- E. None of the above Discuss
- 9. Fork is
Options- A. the dispatching of a task
- B. the creation of a new job
- C. the creation of a new process
- D. increasing the priority of a task
- E. None of the above Discuss
- 10. The memory allocation scheme subject to "external" fragmentation is
Options- A. segmentation
- B. swapping
- C. pure demand paging
- D. multiple contiguous fixed partitions
- E. None of the above Discuss
Operating Systems Concepts problems
Search Results
Correct Answer: the pages, belonging to the working set of the programs, are in main memory
Correct Answer: loader
Correct Answer: cache memory
Correct Answer: Operating system
Correct Answer: linking loader
Correct Answer: there is no need for an address i.e. the data is used as an address
Correct Answer: auto increment
Correct Answer: All of the above
Correct Answer: the creation of a new process
Correct Answer: segmentation
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