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- Question
In analyzing the compilation of PL/I program, the term "Lexical analysis" is associated with
Options- A. recognition of basic syntactic constructs through reductions.
- B. recognition of basic elements and creation of uniform symbols
- C. creation of more optional matrix.
- D. use of macro processor to produce more optimal assembly code
- E. None of the above
- Correct Answer
- recognition of basic elements and creation of uniform symbols
- 1. Which of the following instruction steps, would be written within the diamond-shaped box, of a flowchart?
Options- A. S = B - C
- B. IS A<10
- C. PRINT A
- D. DATA X,4Z
- E. None of the above Discuss
- 2. System generation:
Options- A. is always quite simple
- B. is always very difficult
- C. varies in difficulty between systems
- D. requires extensive tools to be understandable
- E. None of the above Discuss
- 3. Page stealing
Options- A. is a sign of an efficient system
- B. is taking page frames from other working sets
- C. should be the tuning goal
- D. is taking larger disk spaces for pages paged out
- E. None of the above Discuss
- 4. What is the name of the operating system for the laptop computer called MacLite?
Options- A. Windows
- B. DOS
- C. MS-DOS
- D. OZ
- E. None of the above Discuss
- 5. The Memory Buffer Register (MBR)
Options- A. is a hardware memory device which denotes the location of the current instruction being executed.
- B. is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.
- C. contains the address of the memory location that is to be read from or stored into.
- D. contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".
- E. None of the above Discuss
- 6. Memory management is :
Options- A. not used in modern operating system
- B. replaced with virtual memory on current systems
- C. not used on multiprogramming systems
- D. critical for even the simplest operating systems
- E. None of the above Discuss
- 7. Supervisor state is
Options- A. never used
- B. entered by programs when they enter the processor
- C. required to perform any I/O
- D. only allowed to the operating system
- E. None of the above Discuss
- 8. 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
- 9. 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
- 10. 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
Operating Systems Concepts problems
Search Results
Correct Answer: IS A<10
Correct Answer: varies in difficulty between systems
Correct Answer: is taking page frames from other working sets
Correct Answer: OZ
Correct Answer: contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".
Correct Answer: critical for even the simplest operating systems
Correct Answer: only allowed to the operating system
Correct Answer: have both their operands in the main store.
Correct Answer: linking loader
Correct Answer: Operating system
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