Answer the following questions in short. (1
mark each)
1.
List any two
examples of secondary memory.
Ans: Any two examples of secondary memory are: Hard disk and USB flash drive.
2.
Write the most
famous visual display unit.
Ans: The most famous visual display unit is LCD monitor.
3.
List any four
applications areas of the computer.
Ans: Any four applications areas of the computer are
Education, healthcare, business, and entertainment.
4.
Why computer is
called a versatile machine?
Ans: Computer is called a versatile machine because it
can perform a wide variety of tasks efficiently.
5.
What does ALU do?
Ans: ALU performs arithmetic and logical operations.
6.
Define computer
bus.
Ans: A computer bus is a communication system that transfers
data between components inside a computer.
7.
What is analog
computer?
Ans: An analog computer is a type of computer that
processes continuous data and performs calculations using physical quantities
like electrical voltage, pressure, or mechanical movements, rather than digital
signals.
8.
Why computer is
called diligent machine?
Ans: Computer is called diligent machine because it can work
continuously without getting tired.
9.
What are the
computers based on working principle?
Ans: The computers based on working principle are Analog, digital, and hybrid computers.
10.
What is drawing
canvas in Photoshop?
Ans: Drawing canvas in Photoshop is the workspace where
images are created or edited.
11.
Write any two
services of the internet.
Ans: Any two services of the internet are Email and web
browsing.
12.
Write the name of
two magnetic storage devices.
Ans: The name of two magnetic storage devices are Hard disk
and floppy disk.
13.
Write the name of two softcopy
output devices.
Ans: The name of two softcopy output devices are Monitor and
projector.
14.
Define server.
Ans: A server is a computer or system that provides
resources or services to other computers.
15.
What are the
types of buses in the motherboard?
Ans: The types of buses in the motherboard are Data bus,
address bus, and control bus.
16.
Which device is
used to connect PCs with telephone lines?
Ans: Modem is used to connect PCs with telephone lines
17.
Mention any two
application areas of IoT.
Ans: Any two application areas of IoT are Smart homes and
healthcare.
18.
Define digital
computer.
Ans: A digital computer processes data in numerical form
using binary digits.
19.
List any two
examples of secondary media.
Ans: Any two examples of secondary media are CDs and DVDs.
20.
What is a web
browser?
Ans: A web browser is software used to access and view
websites.
21.
List any two
features of a computer?
Ans: Any two features of a computer are Speed and accuracy.
22.
Who invented the
Tabaluting Machine?
Ans: Herman Hollerith invented the Tabulating Machine.
23.
Name any two popular
web browsers.
Ans: any two popular web browsers are Google Chrome and
Mozilla Firefox.
24.
What is an input device?
Ans: An input device is used to enter data into a computer.
25.
Define super computer.
Ans: A supercomputer is a powerful computer designed for
complex calculations.
26.
What is hybrid computer?
Ans: A hybrid computer combines features of analog and
digital computers.
27.
What is cloud
computing?
Ans: Cloud computing is the delivery of computing services
over the internet.
28.
State the
different units of storage in the computer.
Ans: The different units of storage in the computer are:
Bit, byte, kilobyte, megabyte, gigabyte, terabyte.
29.
Differentiate
between hard copy and soft copy output.
Ans: Hard copy is a physical printout, while soft copy is a
digital display.
30.
Define data.
Ans: Data is raw facts or figures.
31.
What is
uploading?
Ans: Uploading is transferring data from a local system to a
remote system.
32.
Define
downloading.
Ans: Downloading is transferring data from a remote system to
a local system.
33.
Define search
engine. List two examples of search engines.
Ans: A search engine is a tool to find information online;
examples are Google and Bing.
34.
Define the term
"GIGO".
Ans: GIGO stands for "Garbage In, Garbage Out,"
meaning poor input results in poor output.
35.
Define the term
"BUG".
Ans: A bug is an error in a program.
36.
What is digital
computer?
Ans: A digital computer processes data in binary form.
37.
What is keyboard?
Ans: A keyboard is an input device used to type data into a
computer.
38.
Define system software.
Ans: System software manages and controls hardware
operations.
39.
What is the use
of a plotter?
Ans: A plotter is used to print high-quality graphics and
designs.
40.
Define algorithm.
Ans: An algorithm is a step-by-step procedure to solve a
problem.
41.
Define
minicomputer.
Ans: A minicomputer is a medium-sized computer for small
businesses.
42.
Write the function of SWAP and VAL
in QBASIC.
Ans: SWAP exchanges values of two variables, and VAL
converts a string to a numeric value.
43.
Write the functions of RIGHT$ in
QBASIC.
Ans: RIGHT$ extracts a specified number of characters from
the right side of a string.
44.
What is the
purpose of the MID$ function in Q-basic?
Ans: MID$ extracts a substring from a specified position in a
string.
45.
What are
arithmetic operators?
Ans: Arithmetic operators perform mathematical
operations like addition and subtraction.
46.
Write the
function of LEN in Q-basic.
Ans: LEN returns the length of a string.
47.
What is loop?
Ans: A loop repeats a set of instructions until a condition
is met.
48.
What is nested
loop?
Ans: A nested loop is a loop inside another loop.
49.
Define infinite
loop.
Ans: An infinite loop runs endlessly without termination.
50.
What is an
operator?
Ans: An operator is a symbol used to perform operations on
variables.
51.
What are
relational operator?
Ans: Relational operators compare two values (e.g., ==, >,
<).
52.
Define constant.
Ans: A constant is a fixed value that does not change during
program execution.
53.
Define variable
and their common types.
Ans: A variable is a memory location used to store
data. Types of variable are integer, string, and float.
54.
What are the
different types of operators?
Ans: The different types of operators are Arithmetic, relational, logical, and
assignment operators.
55.
Name any two
conditional branching used in QBASIC.
Ans: Two conditional branching used in QBASIC are IF-THEN and
SELECT CASE.
56.
List the three
types of loops in QBASIC.
Ans: The three types of loops in QBASIC are FOR, WHILE, and
DO loops.
57.
Write the
function of LEFT$.
Ans: LEFT$ extracts a specified number of characters from the
left side of a string.
58.
Write the
function of TAB in QBASIC.
Ans: TAB moves the cursor to a specific column in the output.
59.
Write the
function of INT and MID$ in QBASIC.
Ans: INT returns the integer part of a number, and MID$
extracts part of a string.
60.
What is the
syntax for element selectors in CSS?
Ans: The syntax is selector {property: value;}.
61.
Who and when HTML
was developed?
Ans: HTML was developed by Tim Berners-Lee in 1991.
62.
List two types of
HTML tags.
Ans: Two types of HTML tags are Paired tags and singular
tags.
63.
Which tag is used
to define a paragraph in HTML?
Ans: <P> tag is used to define a paragraph in HTML.
64.
List any two
formatting tags in HTML.
Ans: Any two formatting tags in HTML are
<b> and <i> tags.
65.
Mention any two
singular tags.
Ans: Any two singular tags are
<br> and <img>.
66.
What is HTML?
Ans: HTML is a markup language used to create web pages.
67.
What is CSS?
Ans: CSS is a style sheet language used to design web pages.
68.
Define hyperlink.
Ans: A hyperlink is a clickable link that redirects to
another page or resource.
69.
Define tag
attribute.
Ans: A tag attribute provides additional information about an
HTML element.
70.
How is the FONT
tag used?
Ans: The FONT tag is used to change the font style, size, and
color of text.
71.
Name the types of
headings does an HTML contain?
Ans: HTML contains six types of headings (H1 to H6).
72.
Name the commonly
used web browsers for viewing the HTML pages.
Ans: The commonly used web browsers for viewing the HTML
pages are Google Chrome and Mozilla Firefox.
73.
List different
ways to apply CSS on HTML documents.
Ans: Inline, internal, and external CSS.
74.
How many types of
headings does an HTML contain?
Ans: HTML contains six types of headings (H1 to H6).
75.
What are the
different selectors used in CSS?
Ans: The different selectors used in CSS are Element, class, and ID selectors.
