Computer Operator Questions-Part 18
Here, you can read and text important MCQ of loksewa computer operator.
1. ICs are related to ----- generation computers.
first
second
third
fourth
Correct Answer
Wrong Answer
2. CD-ROM is a
semi conductor memory
memory register
magnetic memory
None of the above
Correct Answer
Wrong Answer
3. A hybrid computer
resembles digital computer
resembles analog computer
resembles both digital and analog computer
None of the above
Correct Answer
Wrong Answer
4. Which type of computers uses the 8-bit code called EBCDIC?
Minicomputers
Microcomputers
Mainframe computers
Super computer
Correct Answer
Wrong Answer
5. The ALU of a computer responds to the commands coming from
Primary memory
Control section
External memory
Cache memory
Correct Answer
Wrong Answer
6. With SQL, how can you return the number of not null records in the "User" table?
SELECT COUNT() FROM User
SELECT COLUMNS() FROM User
SELECT COLUMNS(*) FROM User
SELECT COUNT(*) FROM User
Correct Answer
Wrong Answer
7. What does the ALTER TABLE clause do?
Modifies a table defination by altering,adding or deleting table columns or constraints
insert data into database table
deletes data from database table
delete a data from database table
Correct Answer
Wrong Answer
8. The UPDATE SQL clause can ___
update only one row at a time
update more than one row at a time
delete only one row at a time
delete more than one row at a time
Correct Answer
Wrong Answer
9. The UNION SQL clause can be used with _____
SELECT clause only
DELETE and UPDATE clauses
UPDATE clause only
All of the above
Correct Answer
Wrong Answer
10. Which SQL statement is used to return only different values?
SELECT DIFFERENT
SELECT UNIQUE
SELECT DISTINCT
SELECT ALL
Correct Answer
Wrong Answer
11. What does Ctrl+B shortcut accomplish in MS-Word?
It converts selected text into the next larger size of the same font
It adds a line break to the document
It makes the selected text bold
It applies italic formatting the selected text
Correct Answer
Wrong Answer
12. What is the minimum number of rows and columns that a word table can have ?
Zero
2 rows and 1 column
2 rows and 2 column
1 rows and 1 column
Correct Answer
Wrong Answer
13. In Microsoft Word shortcut key Ctrl+W is used for
Open the print dialog box
Update the current web page
Close the current window
None of the above
Correct Answer
Wrong Answer
14. In MS Word shortcut key Ctrl+R is used for
Open the print dialog box
Update the current web page
Close the current window
None of the above
Correct Answer
Wrong Answer
15. In MS Word system to copy something the following shortcut is used
Ctrl+C
Ctrl+V
Ctrl+X
None of the above
Correct Answer
Wrong Answer
16. In Excel the chart wizard
Can place a chart on a new chart sheet or on any sheet in the workboox
Can only place a chart on new chart sheet
Can only place a chart on a new blank worksheet
Can be only used to create embedded charts
Correct Answer
Wrong Answer
17. In Excel which functions will calculate the number of workdays between 6/9/2004 and 8/12/2004.
Workday
Date
Network days
All of the above
Correct Answer
Wrong Answer
18. In Excel when you group worksheets
You can enter variable data on multiple worksheets at one time
You can print more than one worksheet at a time
You can enter common data, formats and formulas on multiple worksheets at one time
Both B and C
Correct Answer
Wrong Answer
19. In Excel you can zoom a worksheet
With the mouse pointer in Print Preview
With the zoom button on the print preview toolbar
With the zoom command on the view menu
All the above
Correct Answer
Wrong Answer
20. You cannot link excel worksheet data to a word document
With the right drag method
With a hyperlink
With the copy and paste special commands
With the copy and paste buttons on the standard toolbar
Correct Answer
Wrong Answer
21. High speed ethernet works on
Co-axial cable
Twisted pair cable
Optical fiber
None of the above
Correct Answer
Wrong Answer
22. ARP is a
8 bit field
10 bit field
12 bit field
16 bit field
Correct Answer
Wrong Answer
23. In ARP, each LAN has been assigned a
Trigger
Integer
Repeater
Process header
Correct Answer
Wrong Answer
24. In ARP, a packet is encapsulated directly into a
Data link integer
Network frame
Network station
Data link frame
Correct Answer
Wrong Answer
25. If an ARP request is broadcast, an ARP reply is
Universal
Unicast
Multicast
Generated locally
