Computer Science :: Operating System
- Which, of the following, is true for testing and debugging?
- Information in a memory that is no longer valid or wanted is known as
- Which of the following filename extension suggests that the file is a backup copy of another file?
- Relocation bits used by relocating loader are specified (generated) by
- Which of the following statements is false?
- Non-modifiable procedures are called
- The instruction register
- Which of the following scheduling objectives should be applied to the following: the system should admit jobs to create a mix that will keep most devices busy
- Multiprogramming systems:
- Backups should be done
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A.
Testing checks for logical errors in the programs, while debugging is a process of correcting those errors in the program |
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B.
Testing detects the syntax errors in the program while debugging corrects those errors in the program |
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C.
Testing and debugging indicate the same thing |
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D.
All of the above |
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E.
None of the above |
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A.
a process scheduling algorithm is preemptive if the CPU can be forcibly removed from a process |
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B.
time sharing systems generally use preemptive CPU scheduling |
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C.
response time are more predictable in preemptive systems than in non preemptive systems |
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D.
real time systems generally use non-preemptive CPU scheduling |
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E.
None of the above |
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A.
is a hardware memory device which denotes the location of the current instruction being executed. |
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B.
is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory. |
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C.
contains the address of the memory location that is to be read from or stored into. |
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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". |
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E.
None of the above |