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- Question
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
- Correct Answer
- the pages, belonging to the working set of the programs, are in main memory
- 1. 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
- 2. 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
- 3. 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
- 4. 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
- 5. The Storage-to-Storage instructions
Options- A. have both their operands in the main store.
- B. which perform an operation on a register operand and an operand which is located in the main store, generally leaving the result in the register, expect in the case of store operation when it is also written into the specified storage location.
- C. which perform indicated operations on two fast registers of the machine and have the result in one of the registers
- D. all of the above
- E. None of the above Discuss
- 6. 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 Discuss
- 7. 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
- 8. 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
- 9. 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
- 10. 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
Operating Systems Concepts problems
Search Results
Correct Answer: loader
Correct Answer: cache memory
Correct Answer: Operating system
Correct Answer: linking loader
Correct Answer: have both their operands in the main store.
Correct Answer: defines the fundamental method of determining effective operand addresses
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
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