Disk Operating System Objective Questions - ObjectiveBooks

Disk Operating System Objective Questions

Practice Test: Question Set - 10

1. Which internal DOS command clears the screen and places the DOS prompt in the upper left corner of the screen?
    (A) cls
    (B) close
    (C) quit
    (D) exit

2. Filename extensions help identify certain files. What filename extension identifies executable files?
    (A) INF
    (B) PRO
    (C) EXE
    (D) SYS

3. What file contains commands that configure systems devices?
    (A) Command.com
    (B) Config.sys
    (C) Autoexec.bat
    (D) Win.ini

4. Which file executes commands in DOS?
    (A) MS-DOS.SYS

5. Upper Memory blocks are located where?
    (A) Conventional Memory
    (B) Extended Memory
    (C) Expanded memory
    (D) Reserved Memory

6. The ________ command allows you to modify the default prompt to provide other information
    (A) Prompt
    (B) Windows
    (C) Cursor
    (D) Click

7. Which command will prevent subsequent changes to the file CBT.EXE?
    (A) RENAME + r CBT.EXE
    (B) ATTRIB + r CBT.EXE
    (C) COPY + r CBT.EXE
    (D) MODE + r CBT.EXE

8. In DOS, which of the following keys will bypass the CONFIG.SYS and AUTOEXEC.BAT files?
    (A) F8
    (B) F5
    (C) F4
    (D) None of the above

9. After doing a low-level format, what would be the next step in configuring the hard drive in a system?
    (A) Format DOS partition
    (B) Install operating system
    (C) Configure DMA channel and back up interrupt
    (D) Partition hard disk

10. If you do not know the current time, which command will you use to display the time?
    (A) COPY
    (B) VER
    (C) TIME
    (D) FORMAT

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