Discussion
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- Question
Four necessary conditions for deadlock to exist are: mutual exclusion, no-preemption, circular wait and
Options- A. hold and wait
- B. deadlock avoidance
- C. race around condition
- D. buffer overflow
- E. None of the above
- Correct Answer
- hold and wait
- 1. What is the name given to all the programs inside the computer with makes it usable?
Options- A. Application software
- B. System software
- C. Firm ware
- D. Shareware
- E. None of the above Discuss
- 2. The errors that can be pointed out by the compiler are
Options- A. Syntax errors
- B. Semantic errors
- C. Logical errors
- D. Internal errors
- E. None of the above Discuss
- 3. The main function of the dispatcher (the portion of the process scheduler) is
Options- A. swapping a process to the disk
- B. assigning ready process to the CPU
- C. suspending some of the processes when the CPU load is high
- D. bring processes from the disk to the main memory
- E. None of the above Discuss
- 4. What is the name of the system which deals with the running of the actual computer and not with the programming problems?
Options- A. Operating system
- B. Systems program
- C. Object program
- D. Source program
- E. None of the above Discuss
- 5. In memory systems, boundary registers
Options- A. are used for temporary program variable storage
- B. are only necessary with fixed partitions
- C. track page boundaries
- D. track the beginning and ending of programs
- E. None of the above Discuss
- 6. In an absolute loading scheme, which loader function is accomplished by loader
Options- A. Reallocation
- B. Allocation
- C. Linking
- D. Loading
- E. None of the above Discuss
- 7. Which of the following is a block device
Options- A. mouse
- B. printer
- C. terminals
- D. disk
- E. None of the above Discuss
- 8. Which, of the following checks, cannot be carried out on the input data to a system?
Options- A. consistency check
- B. Syntax check
- C. Range check
- D. All of the above
- E. None of the above Discuss
- 9. Semaphores
Options- A. synchronize critical resources to prevent deadlock
- B. synchronize critical resources to prevent contention
- C. are used to do I/O
- D. are used for memory management
- E. None of the above Discuss
- 10. The technique, for sharing the time of a computer among several jobs. Which switches jobs so rapidly such that each job appears to have the computer to itself:
Options- A. time sharing
- B. time out
- C. time domain
- D. FIFO
- E. None of the above Discuss
Operating Systems Concepts problems
Search Results
Correct Answer: System software
Correct Answer: Syntax errors
Correct Answer: assigning ready process to the CPU
Correct Answer: Systems program
Correct Answer: track the beginning and ending of programs
Correct Answer: Loading
Correct Answer: disk
Correct Answer: Syntax check
Correct Answer: synchronize critical resources to prevent deadlock
Correct Answer: time sharing
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