Operating System Computer Science Questions & Answers - ObjectiveBooks

Operating System Computer Science Questions & Answers

Practice Test: Question Set - 16

1. With MS-DOS which command will divide the surface of the blank floppy disk into sectors and assign a unique address to each one?
    (A) FORMAT command
    (B) FAT command
    (C) VER command
    (D) CHKDSK command

2. Which of the following terms refers to the degree to which data in a database system are accurate and correct?
    (A) Data security
    (B) Data validity
    (C) Data independence
    (D) Data integrity

3. A file organization component of a VSAM file is:
    (A) Relative record data set
    (B) Keyed sequential data set
    (C) Entry sequential data set
    (D) All of the above

4. In which of the storage placement strategies a program is placed in the smallest available hole in the main memory?
    (A) Best fit
    (B) First fit
    (C) Worst fit
    (D) Buddy

5. When did IBM release the first version of disk operating system DOS version 1.0?
    (A) 1981
    (B) 1982
    (C) 1983
    (D) 1984

6. Multiprogramming systems:
    (A) Are easier to develop than single programming system
    (B) Execute each job faster
    (C) Execute more jobs in the same time period
    (D) Are used only on large mainframe computers

7. If the number of bits in a virtual address of a program is 16 and the page size is 0.5 K bytes, the number of pages in the virtual address space is
    (A) 16
    (B) 32
    (C) 64
    (D) 128

8. The SJF algorithm executes first the job
    (A) That last entered the queue
    (B) That first entered the queue
    (C) That has been in the queue the longest
    (D) With the least processor needs

9. Seeks analysis
    (A) Is used for analyzing paging problems
    (B) Is used for analyzing device busy problems
    (C) Is used for analyzing control-unit busy problems
    (D) Is only shown on real-time displays

10. In an absolute loading scheme, which loader function is accomplished by assembler?
    (A) Reallocation
    (B) Allocation
    (C) Linking
    (D) Loading

11. A translator is best described as
    (A) An application software
    (B) A system software
    (C) A hardware component
    (D) All of the above

12. Which of the following is a measure to test how good or bad a modular design is
    (A) Module strength
    (B) Module coupling
    (C) Static analysis
    (D) All of the above

13. Which of the following is a type of systems software used on microcomputers?
    (A) MS-DOS
    (B) PC-DOS
    (C) Unix
    (D) All of the above

14. Which is a permanent database in the general model of compiler?
    (A) Literal Table
    (B) Identifier Table
    (C) Terminal Table
    (D) Source code

15. Which of the following is helpful in evaluating applications software what will best suit your needs?
    (A) Recommendations by other users
    (B) Computer magazines
    (C) Objective software reviews
    (D) All of the above

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