Computer Operator Questions-Part 22

Here, you can read and text important MCQ of loksewa computer operator.

1

1. A technique used by codes to convert analog signal into digital bit stream is known as

pulse code modulation
pulse stretcher
query processing
queue management

2. Regarding VDU, which statement is more correct?

Output device
Input device
Peripheral device
Hardware item

3. A modern electronic computer is a machine that is meant for

doing mathematical calculation
input,storage,manipulation and outputting data
electronic data processing
perform repetitive task accurately

4. Vacuum tube was invented in .....

1900
1906
1910
1880

5. Which of the following is not processing?

arranging
manipulating
calculating
gathering

6. What is document outline view?

a preview in a full screen
a preview with margins
a preview with margins and gutter
a preview with a structure of heading at various levels

7. Ctrl+Z

Undo the last action
Redo the last action
Add the new page
Paste the contents from clipboard

8. What does Ctrl+= key effect?

superscript
subscript
Shadows
All Caps

9. How can you make the selected character superscripted?

Ctrl + =
Ctrl + Shift + =
Alt+ Shift + =
None of the above

10. When typing in a word field manually, what must you press to insert the code's braces?

Ctrl+F6
Ctrl+F9
Alt+F6
Alt+F9

11. What is a type of virus that spreads itself, not just from file to file but from computer to computer via email and other internet traffic?

Virus
Worm
Dos Attack
None of the above

12. Virus is a

malicious program that spreads automatically
piece of code that attaches itself to legitimate program
Both a and b
None of the above

13. Which of them is not an ideal way of spreading the virus?

Infected website
emails
official antivirus cds
USBs

14. The following is an antivirus software

Avira
Avast
mc a fee
All of the above

15. The first PC virus was called

Cerebrum
Brain
I Love You
Heart

16. Internet Explorer is .....

Web browser
Search engine
Antivirus software
Website

17. ISP stands for

Internet Service Provider
Internet System Provider
Internet Service Processing
Internet System Processing

18. Which of the following is not a protocol?

HTTP
FTP
KIT
None of the above

19. A ___ network is used inside an organization.

Private
Public
Semi private
Semi public

20. An ___ is a network that allows authorized access from outside users.

Intranet
Internet
Extranet
None of the above

21. In excel the auto fill feature

Extends a sequential series of data
Automatically adds a range of cell values
Applies a boarder around selected cells
None of the above

22. In excel you can use formula palette to

format cells containing numbers
create and edit formula containing functions
entered assumptions data
copy a range of cells

23. What excel features can you use if you want to work with one record at a time?

auto complete
auto filter
data forms
sub totals

24. In excel what chart objects is horizontal and vertical line that extends across the plot area to make it easier to read and follow the values?

category axis
data marker
data point
gridline

25. In excel value used in a formula that does not change is called

cell address
constants
function
range

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