Basic Level (Class 8) Final Examination 2078
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Subject:
Computer |
Full marks: 50 |
|
Time:
1:30 Hrs |
|
Group A
Very
short answer type questions. 10×1=10
1.
Which technology is used in fourth generation of computer?
Ans: Microprocessor/VLSI is used in fourth generation.
2.
Which are the devices designed by Charles Babbage?
Ans: Analytical engine and Difference engine are the
devices designed by Charles Babbage.
3.
Write the extension name of Microsoft PowerPoint.
Ans: .PPTX is the extension of Microsoft PowerPoint.
4.
What is cyber crime?
Ans: Criminal activity which can be done through
internet is called cyber crime.
5.
Write any two examples of social networking site.
Ans: Facebook and Twitter are two examples of social
networking site.
6.
When was cyber law of introduced in Nepal?
Ans: Cyber law introduced in Nepal on 30th
Bhadra 2061 BS.
7.
Write the type of page orientation in Microsoft Word.
Ans: Landscape and portrait are the page orientation
in Microsoft Word.
8.
Write the full forms of:
a)
MAN: Metropolitan Area Network
b)
HTTP: Hyper Text Transfer Protocol
9.
State true or false.
a)
ICT is not used in e-banking. False
b)
Pirated software is the source of virus. True
10.
Write the appropriate technical term for the following.
a)
Network of Networks. Internet
b)
First page of Website. Homepage
Group B
Short
answer type questions 7×4=28
11.
What is ICT? What is the importance of ICT in education and health?
Ans: : ICT
stands for Information and Communication Technologies. It is the combination of
information and technology.
ICT in education promotes
participation and retention of knowledge: When ICT is integrated into teaching,
students are more likely to participate in their work. Technology offers many opportunities
to make it more fun and enjoyable when it comes to learning the same things in
different ways.
Information and
communication technologies can help improve patient safety by directly
accessing a medical case, monitoring treatment online, monitoring patients'
progress and anticipating possible medical errors.
12. Define web browser and search
engine. Write any two names of web browser and search engine.
Ans: Web browser: A web
browser is a software application that is used to access the World Wide Web
(www). Google chrome, Internet Explorer,
and Microsoft Edge are the examples of web browser.
Search Engine: A search
engine is a computer program that helps people find the information in online
with the help of keywords and phrase.
Google, Bing, Baidu etc. are the popular search engine.
13. What do you mean by computer virus?
Write any four ways to prevent computer from virus.
Ans: A computer virus is a
type of malicious software or program that spreads between computers and can
damage data and software.
Following are the
preventive measure of computer virus.
i) Always use strong
password.
ii) Use antivirus and
regular updates it.
iii) Keep regular backup
of your system.
iv) Scan email attachments
while download.
14. What is operating system? Write the
difference between GUI and CUI.
Ans: It is software that acts as an interface between the
user and the computer hardware.
Following are the
difference between GUI and CUI.
|
GUI |
CUI |
|
It stands for Graphic User Interface. |
It stands for Character User
Interface. |
|
Graphics like images, icons are used t
interacts with computer. |
Commands like text are used to interact
with computer. |
|
Easy to work. |
Difficult to work. |
|
Mouse, keyboard and other pointing
devices are used. |
Only keyboard is used to work. |
|
It has low speed. |
It has high speed. |
|
It require more memory |
It requires less memory. |
|
Examples: Windows |
Examples: Ms-DOS |
15.
Write short notes on.
a)
Computer graphics: Computer
graphics is the art of drawing pictures, lines, diagrams, etc. using computer
software/program. Computer graphics consist of several pixels. A pixel is the
smallest graphic or unit displayed on a computer screen.
b)
Computer Ethics: Computer
ethics is the application of moral principles in the use of computers and the
Internet. Examples include intellectual property rights, privacy policies and
online ethics.
16.
What is spreadsheet? Write down any three features of spreadsheet.
Ans: A spreadsheet is a software application that
can organize, store, and analyze data in a spreadsheet format.
Following are the features of spreadsheet.
i) Formula and functions are used to solve
mathematical problems.
ii) Data can be analyzed with the help of
spreadsheet software.
iii) Chart and graphs are used to represent data.
17.
a) Convert as indicated.
i) 8710 into base 2
ii) 101012 into base 10
b) Solve the following binary problems.
i) 101110+1011
ii) 10111-1101
Group C
Long
answer type of questions. 2×6=12
18.
a) What do you mean by algorithm? Write an algorithm to calculate the simple
interest.
Ans: Step by step instructions about the problem is
known as algorithm.
Algorithm of calculating simple interest.
STEP 1: Start
STEP 2: Input principal amount, time, rate
STEP 3: Calculate simple interest.
STEP 4: Display simple interest.
STEP 5 : End
b)
What is flowchart? Write a QBASIC program to calculate the perimeter of circle.
Hints: p=2Ï€r
Ans: Diagrammatically represent of problem is known
as flowchart.
CLS
INPUT “Enter radius”;r
p=2*22/7*r
PRINT “Perimeter of circle=”;p
END
19.
a) What is topology? Explain star
topology with the help of figure.
Ans: Physical arrangement of computer network is
known as topology.
In star topology, each node connects to a central
network device, such as a hub, switch, or computer. The central network device
acts as a server and the peripheral devices act as clients.
b)
Write the uses of following HTML tags.
i) <B> Dhangadhi </B>
This tag is used to make text bold between start and
end tags.
ii) <marquee> Welcome to HTML</marquee>
This tag is used to scroll your text up, down, left,
right automatically.
iii) <title> Kailali </title>
This tag is used to show your title in browser title
bar.
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