CuriousTab
Search
CuriousTab
Home
Aptitude
Computer
C Programming
C# Programming
C++ Programming
Database
Java Programming
Networking
Engineering
Biochemical Engineering
Biochemistry
Biotechnology
Chemical Engineering
Civil Engineering
Computer Science
Digital Electronics
Electrical Engineering
Electronics
Electronics and Communication Engineering
Mechanical Engineering
Microbiology
Technical Drawing
GK
Current Affairs
General Knowledge
Reasoning
Data Interpretation
Logical Reasoning
Non Verbal Reasoning
Verbal Ability
Verbal Reasoning
Exams
AIEEE
Bank Exams
CAT
GATE
IIT JEE
TOEFL
Jobs
Analyst
Bank PO
Database Administrator
IT Trainer
Network Engineer
Project Manager
Software Architect
Discussion
Home
‣
Computer Science
‣
Disk Operating System (DOS)
Comments
Question
Which DOS command is used to remove and scan memory and disk from viruses?
Options
A. MSAV
B. DEFRAG
C. SCANDISK
D. VSAFE
E. None of the above
Correct Answer
MSAV
Disk Operating System (DOS) problems
Search Results
1. Which two of the following DOS commands are used to display or set the date and time of your computer's infernal clock?
Options
A. VER
B. HOUR
C. DATE
D. DAY
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: DATE
2. Which command will be used to display a column file compression ratio for each file of Double spaced disk?
Options
A. DIR/W
B. DIR/S
C. DIR/B
D. DIR /C (/C switch introduced in DOS version 6.00)
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: DIR /C (/C switch introduced in DOS version 6.00)
3. If you do not know the current time, which command will you use to display the time?
Options
A. COPY
B. VER
C. TIME
D. FORMAT
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: TIME
4. Which is LEAST likely to interfere with upgrading to a newer DOS version?
Options
A. ROM BIOS
B. Video controller
C. Compressed drives
D. Existing backup files
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Video controller
5. While working with MS-DOS, which command is used to switch to the monochrome display from color display?
Options
A. MODE BLACK
B. MODE B/W
C. MODE MONO
D. MODE CO40
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: MODE MONO
6. While working with MS-DOS, which command is used to copy all files from the currently logged drive and directory with the extension .TXT to the drive A?
Options
A. COPY A: *.TXT
B. COPY *.TXT A:
C. COPY *.TXT C:
D. COPY *.TXT ALL.TXT
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: COPY *.TXT A:
7. To conserve battery power on your laptop computer. What DOS v6.x command should you use?
Options
A. Powermon.exe
B. Power.exe
C. Idel.com
D. Pw.sys
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Power.exe
8. The autoexec.bat configuration file
Options
A. Is run after config.sys on system boot-up
B. Contains all windows configuration files
C. Is also known as config.sys
D. Checks for system polarity
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Is run after config.sys on system boot-up
9. Which combination of keys allows you to perform a warm boot?
Options
A. Ctrl+ESC
B. Ctrl+Alt+DEL
C. Ctrl+Shift+DEL
D. Ctrl+Shift+ENTER
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Ctrl+Alt+DEL
10. Which command of DOS is used to compare two floppy disks?
Options
A. DISKCOPY
B. DISKCOMP
C. DISKCOPY A: B/V
D. FORMAT A: B:
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: DISKCOMP
Comments
There are no comments.
Enter a new Comment
Save
More in Computer Science:
Artificial Intelligence
Automation System
Computer Fundamentals
Computer Hardware
Database Systems
Digital Computer Electronics
Disk Operating System (DOS)
Electronic Principles
Language Processors
Linux
Management Information Systems
Networking
Object Oriented Programming Using C++
Operating Systems Concepts
System Analysis and Design
Unix
Windows 2000 Server
Windows NT