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Home ‣ Computer Science ‣ Disk Operating System (DOS) See What Others Are Saying!
- Question
The _____ switch instructs DOS to display the directory list in a wide format.
Options- A. /W
- B. /O
- C. /P
- D. /B
- E. None of the above
- Correct Answer
- /W
- 1. Under virtual storage,
Options- A. a single program is processed by two or more CPUs
- B. two or more programs are stored concurrently in primary storage
- C. only the active pages of a program are stored in primary storage
- D. interprogram interference may occur
- E. None of the above Discuss
- 2. ART (Automatic Reasoning Tool) is designed to be used on:
Options- A. LISP machines
- B. personal computers
- C. microcomputers
- D. All of the above
- E. None of the above Discuss
- 3. Filename extensions help identify certain files. What filename extension identifies command files?
Options- A. COM
- B. BAT
- C. EXE
- D. SYS
- E. None of the above Discuss
- 4. Addressing modes
Options- A. defines the fundamental method of determining effective operand addresses
- B. are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
- C. performs indicated operations on two fast registers of the machine and leave the result in one of the registers.
- D. all of the above
- E. None of the above Discuss
- 5. A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?
Options- A. l0Mhz
- B. 25Mhz
- C. 50Mhz
- D. 100 Mhz
- E. None of the above Discuss
- 6. Information is produced by processing data from which of the following sources?
Options- A. data provided by higher levels of management
- B. data provided by lower levels of management
- C. internally generated data
- D. externally generated data
- E. All of the above Discuss
- 7. Which of the following server is used with the BIND package?
Options- A. httpd
- B. shttp
- C. dns
- D. named
- E. None of the above Discuss
- 8. 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
- 9. On a dot-matrix printer, regular lube maintenance should be followed, but this component should never be lubed:
Options- A. Platten bearings
- B. Carriage rails
- C. Printhead
- D. Paper advance bearings
- E. None of the above Discuss
- 10. If you want to execute more than one program at a time, the systems software you are using must be capable of:
Options- A. word processing
- B. virtual memory
- C. compiling
- D. multitasking
- E. None of the above Discuss
More questions
Correct Answer: only the active pages of a program are stored in primary storage
Correct Answer: LISP machines
Correct Answer: COM
Correct Answer: are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
Correct Answer: 25Mhz
Correct Answer: All of the above
Correct Answer: named
Correct Answer: real time systems generally use non-preemptive CPU scheduling
Correct Answer: Printhead
Correct Answer: multitasking
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