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- Question
Which of the following is a phase of a compilation process
Options- A. Lexical analysis
- B. Code generation
- C. Both of the above
- D. Static analysis
- E. None of the above
- Correct Answer
- Both of the above
- 1. File record length
Options- A. should always be fixed
- B. Should always be variable
- C. depends upon the size of the file
- D. should be chosen to match the data characteristics
- E. None of the above Discuss
- 2. The total time to prepare a disk drive mechanism for a block of data to be read from it is
Options- A. latency
- B. latency plus transmission time
- C. latency plus seek time
- D. latency plus seek time plus transmission time
- E. None of the above Discuss
- 3. An incremental backup
Options- A. should be done each month
- B. uses more tapes
- C. saves all files
- D. saves only files that have recently changed
- E. None of the above Discuss
- 4. Block or buffer caches are used
Options- A. to improve disk performance
- B. to handle interrupts
- C. to increase the capacity of main memory
- D. to speed up main memory read operation
- E. None of the above Discuss
- 5. Assembler is
Options- A. a program that places programs into memory and prepares them for execution.
- B. a program that automate the translation of assembly language into machine language.
- C. a program that accepts a program written in a high level language and produces an object program.
- D. is a program that appears to execute a source program as if it were machine language.
- E. None of the above Discuss
- 6. The practice of "bundling" refers to
Options- A. selling computers alone
- B. selling peripheral devices with computer
- C. selling software to run on computers
- D. giving away software with a computer purchase
- E. None of the above Discuss
- 7. Indicate which is a pre-emptive scheduling algorithm
Options- A. Round-robin
- B. Shortest-job-next
- C. Priority-based
- D. All of the above
- E. None of the above Discuss
- 8. Access time is the highest in the case of
Options- A. floppy disk
- B. cache
- C. swapping devices
- D. magnetic disk
- E. None of the above Discuss
- 9. In which addressing mode, the address of the location of the operand is given explicitly as a part of the instruction.
Options- A. absolute mode
- B. immediate mode
- C. index mode
- D. modulus mode
- E. None of the above Discuss
- 10. A base register table
Options- A. allows the programmer to write base registers and displacements explicitly in the source program.
- B. is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain.
- C. allows multiple programs to reside in separate areas of core at the same time.
- D. is a term that refers to the control programs of an operating system.
- E. None of the above Discuss
Operating Systems Concepts problems
Search Results
Correct Answer: should be chosen to match the data characteristics
Correct Answer: latency plus seek time
Correct Answer: saves only files that have recently changed
Correct Answer: to improve disk performance
Correct Answer: a program that automate the translation of assembly language into machine language.
Correct Answer: giving away software with a computer purchase
Correct Answer: Round-robin
Correct Answer: magnetic disk
Correct Answer: absolute mode
Correct Answer: is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain.
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