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41.
Which of the following is not true about 4GL?
- A.4GL does not support a high-level of screen interaction
- B.Many database management system packages support 4GLs
- C.A 4GL is a software tool which is written, possibly, in some third generation language
- D.All of these
- Answer
- Report
Answer : [A]
42.
The Memory Buffer Register (MBR)
- 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.con tains 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"
- Answer
- Report
Answer : [D]
43.
The FIFO algorithm
- A.executes first the job that last entered the queue
- B.executes rust the job that first entered the queue
- C.execute first the job that has been in the queue the longest
- D.executes first the job with the least processor needs
- Answer
- Report
Answer : [B]
44.
An incremental backup
- A.should be done each month
- C.saves all files
- B.uses more tapes
- D.saves only files that have recently changed
- Answer
- Report
Answer : [D]
45.
In an absolute loading scheme. which loader function is accomplished by loader?
- A.Reallocation
- C.Linking
- B.Allocation
- D.Loading
- Answer
- Report
Answer : [D]
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