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- Question
Backups should be done
Options- A. daily for most installations
- B. weekly for most installations
- C. as several image copies, followed by an incremental
- D. as several incrementals, followed by an image copy
- E. None of the above
- Correct Answer
- as several incrementals, followed by an image copy
- 1. Uniform Symbols Table
Options- A. contains all constants in the program
- B. a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure.
- C. consists of a full or partial list of the token's as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation
- D. a permanent table which lists all key words and special symbols of the language in symbolic form.
- E. None of the above Discuss
- 2. Which of the following statements is false?
Options- A. a process scheduling algorithm is preemptive if the CPU can be forcibly removed from a process
- B. time sharing systems generally use preemptive CPU scheduling
- C. response time are more predictable in preemptive systems than in non preemptive systems
- D. real time systems generally use non-preemptive CPU scheduling
- E. None of the above Discuss
- 3. A critical region is
Options- A. a program segment that has not been proved bug-free
- B. a program segment that often causes unexpected system crashes
- C. a program segment where shared resources are accessed
- D. one which is enclosed by a pair of P and V operations on semaphores
- E. none is the above Discuss
- 4. The command interpreter
Options- A. is usually the primary user interface
- B. requires fixed format commands
- C. is menu drive
- D. is quite different from the SCL interpreter
- E. None of the above Discuss
- 5. Indicate which, of the following, is not true about Nassi-Shneiderman charts
Options- A. These charts are type of graphical design tool
- B. These charts cannot represent CASE constructs
- C. These charts can represent three fundamental control structures
- D. All of the above
- E. None of the above Discuss
- 6. A task in a blocked state
Options- A. is executable
- B. is running
- C. must still be placed in the run queues
- D. is waiting for same temporarily unavailable resources
- E. None of the above Discuss
- 7. Which of the following capabilities is required for a system program to execute more than one program at a time?
Options- A. word processing
- B. compiling
- C. virtual memory
- D. multitasking
- E. None of the above Discuss
- 8. If special forms are needed for printing the output, the programmer specifies these forms through?
Options- A. JCL
- B. JPL
- C. Utility programs
- D. Load modules
- E. None of the above Discuss
- 9. Which of the following is true about pseudocode
Options- A. A machine language
- B. An assembly language
- C. A high-level language
- D. All of the above
- E. None of the above Discuss
- 10. Relocation bits used by relocating loader are specified (generated) by
Options- A. Relocating loader itself
- B. Linker
- C. Assembler or translator
- D. Macro processor
- E. None of the above Discuss
Operating Systems Concepts problems
Search Results
Correct Answer: consists of a full or partial list of the token's as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation
Correct Answer: real time systems generally use non-preemptive CPU scheduling
Correct Answer: one which is enclosed by a pair of P and V operations on semaphores
Correct Answer: is usually the primary user interface
Correct Answer: These charts cannot represent CASE constructs
Correct Answer: is waiting for same temporarily unavailable resources
Correct Answer: multitasking
Correct Answer: JCL
Correct Answer: None of the above
Correct Answer: Linker
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