Computer Operator Questions-Part 21

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

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1. Choose the correct HTML for making a hyperlink.

<a href="https://khullanote.com">Khullanote</a>
&lt;link href="https://khullanote.com"&gt;Khullanote&lt;/link&gt;
<a link="https://khullanote.com">Khullanote</a>
<a name="https://khullanote.com">Khullanote</a>

2. What is the correct HTML for adding a background color/

&lt;body color="red"&gt;
&lt;body bgcolor="red"&gt;
&lt;body background="yellow"&gt;
<background>yellow</background>

3. Choose the correct HTML tag for the smallest size heading.

<h1>
<h5>
<h6>
<h7>

4. What is the correct HTML tag for inserting a line break?

<br>
<lb>
<break>
<newline>

5. What does a vlink attribute mean?

virtual link
visited link
active link
very good link

6. A physical connection between the microprocessor memory and other parts of the microcomputer is known as

path
address bus
route
All of the above

7. A high quality CAD system uses the following printing drawing and graphs

dot matrix printer
digital plotter
line printer
All of the above

8. Which of the following is not an input device?

OCR
Optical scanner
Voice recognition device
Printer

9. The accuracy of the floating point numbers representable in two 16 bit words of a computer is approximately

16 digits
6 digits
9 digits
All of the above

10. In most of the IBM PCs, the CPU, the device drivers,memory,expansion slots etc are mounted in single board called ....

Motherboard
Computer Board
Electrical board
None of the above

11. In MS Word, shortcut Ctrl+F is used for

Open the organize favorites dialog box
Open the search bar
Find dialog box
Find and Replace dialog box

12. Word,by default places a tab stop at every ___ mark on the ruler.

.25"
.5"
.75"
1"

13. What is the default file extension for all Word documents?

.txt
.word
.docs
.docx

14. How much space in minimum must be provided between columns?

0"
0.5"
1"
1.5"

15. By default, your document prints with

1 inch top and bottom margins
a portrait orientation
1.25 inches left and right margins
All of the above

16. In Excel ... is a group of cells that form a rectangle on the screen.

Calculation
Formula
Range
Range address

17. In Excel following term describes explanatory text attached to a cell

Callout
Comment
Dialog
Extension

18. In excel to protect a worksheet, you can choose Protection and the Protect Sheet from the ..... menu.

Edit
Format
Tools
Data

19. In Excel you can open the highlight changes dialog box by choosing track changes from the menu.

Edit
Insert
Format
Tools

20. In Excel to copy cell contents using drag and drop, press the

End key
Shift
Esc
None of above

21. Which one of the following is a set of one or more attributes taken collectively to uniquely identify a record?

Candidate key
Sub key
Super key
Foreign key

22. Consider attributes, ID,CITY and NAME. Which one of this can be considered as a super key?

NAME
ID
CITY
CITY,ID

23. An attribute in a relation is a foreign key if the ___ key from one relation is used as attribute in that relation.

Candidate
Primary
Super
Sub

24. A relational database consists of a collection of

Tables
Fields
Records
Keys

25. The term ___ is used to refer o a row.

Attribute
Tuple
Field
Instance

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