laboursonline – MCQs, Mock Tests | Computer OS - Computer Operating Systems Part 7

Which of the following file pattern encompasses the filenames having second character b ?

1. *b??????.txt
2. ?b******.txt
3. 2b*.txt
4. ?b*.txt

✅ Correct Answer: 4

Label name can be up toa.

1. 10 character
2. 63 character
3. 11 character
4. All of Above

✅ Correct Answer: 3

The delete confirmation generated by …switch

1. /p
2. /b
3. /w
4. /c

✅ Correct Answer: 1

Which switch will be used in dir to see screen full contents of disk at a time?

1. /s
2. /w
3. /p
4. /b

✅ Correct Answer: 3

What is the default file extension created by notepad?

1. .doc
2. .html
3. .txt
4. .tif

✅ Correct Answer: 3

Which of the following is not the user file extension?

1. .ppt
2. .xls
3. .sys
4. .#do

✅ Correct Answer: 3

Which of the following is extension of WordPad?

1. .ppt.
2. .xls
3. .rtf
4. None of above

✅ Correct Answer: 3

Which of the following is extension of notepad?

1. .txt
2. .bmp
3. .ppt
4. .xls

✅ Correct Answer: 1

What is the extension of paint brush?

1. .pbs
2. .bmp
3. .pmb
4. None of the above

✅ Correct Answer: 2

Which of the following is not a video file extension?

1. .avi
2. .wav
3. .mpeg
4. .mov

✅ Correct Answer: 2

What is the extension of font file?

1. .ttf
2. .mdb
3. .fft
4. .txt

✅ Correct Answer: 1

Which is not executable file?

1. .com
2. .exe
3. .bat
4. .txt

✅ Correct Answer: 4

The __________ key will launch the Start button.

1. esc
2. shift
3. Windows
4. Shortcut

✅ Correct Answer: 3

The __________ can be defined as an upside down mouse.

1. trackpad
2. trackball
3. trackpoint
4. trackwell

✅ Correct Answer: 2

To access properties of an object the mouse technique to use is __________..

1. dragging
2. dropping
3. right-clicking
4. shift-clicking

✅ Correct Answer: 3

The wheel on a mouse can make it easier to __________.

1. scroll through documents
2. select objects
3. open documents
4. change volume

✅ Correct Answer: 1

ctrl shift and alt are called __________ keys.

1. adjustment
2. function
3. modifier
4. alphanumeric

✅ Correct Answer: 3

To move to the beginning of a line of text press the __________ key.

1. a
2. pageup
3. enter
4. home

✅ Correct Answer: 4

The __________ determines how long you must hold down an alphanumeric key before the keyboard will repeat the character.

1. strike rate
2. repeat rate
3. default rate
4. threshold rate

✅ Correct Answer: 2

The traditional mechanical mouse uses a __________ to track the pointer position on the screen.

1. light sensor
2. wheel
3. ball
4. ruler

✅ Correct Answer: 3

To make the number pad act as directional arrows you press the __________ key.

1. num lock
2. caps lock
3. arrow lock
4. shift

✅ Correct Answer: 1

MS DOS was introduced in

1. 1970
2. 1981
3. 1999
4. 2000

✅ Correct Answer: 2

When was MS Windows operating system introduced?

1. 1975
2. 1985
3. 1995
4. 2000

✅ Correct Answer: 2

First operating system was developed in

1. 1958
2. 1976
3. 1950
4. 1946

✅ Correct Answer: 3

How many characters can be entered in a single command line?

1. 64
2. 127
3. 80
4. 90

✅ Correct Answer: 2

The maximum length of any single path from the root directory?

1. 54
2. 63
3. 80
4. 27

✅ Correct Answer: 2

The modern keyboard typically has __________ Function keys.

1. 10
2. 12
3. 14
4. 16

✅ Correct Answer: 2

Disk label name can be up to ….characters

1. 8
2. 9
3. 11
4. 255

✅ Correct Answer: 3

In DOS the maximum length of filename is

1. 5
2. 8
3. 11
4. 10

✅ Correct Answer: 2

When you rename a file five times then the number of file in the disk is

1. 1
2. 2
3. 3
4. 5

✅ Correct Answer: 1

If you hard disk is partitioned into 3 drives the number of recycle bin for that hard disk is

1. 1
2. 2
3. 3
4. 4

✅ Correct Answer: 3