2023 · Paper 1
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AGA KHAN UNIVERSITY EXAMINATION BOARD
SECONDARY SCHOOL CERTIFICATE
CLASS IX
ANNUAL EXAMINATIONS (THEORY) 2023
Physics Paper I
Time: 1 hour 10 minutes Marks: 40
INSTRUCTIONS
Please read the following instructions carefully.
- Read each question carefully.
- Answer the questions on the separate answer sheet provided. DO NOT write your answers on the question paper.
- There are 100 answer numbers on the answer sheet. Use answer numbers 1 to 40 only.
- In each question there are four choices A, B, C, D. Choose ONE. On the answer grid black out the circle for your choice with a pencil.
- If you want to change your answer, ERASE the first answer completely with a rubber, before blacking out a new circle.
- DO NOT write anything in the answer grid. The computer only records what is in the circles.
- You may use a simple calculator if you wish.
Physics Paper I • CLASS IX (2023)Total 40 Examination Items • SLO Mapped
Q.1.
Which of the following generation of computers uses modern programming languages like Python and Java?
2025 Syllabus: SLO 1.6.1 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.6.1): describe characteristics, significance, and generation of programming languages;
A.
First generation
B.
Second generation
C.
Third generation
D.
Fourth generation
Q.2.
Examples of volatile memory are
2025 Syllabus: SLO 1.2.3 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.2.3): describe primary and secondary storage devices based on location, cost, capacity, access time, data processing method, and storage technology such as semiconductor (SSD), magnetic (HDD), and optical;
A.
CD and RAM.
B.
RAM and cache.
C.
hard disk and CD.
D.
hard disk and cache.
Q.3.
Which of the following is NOT a pointing device?
2025 Syllabus: SLO 1.2.1 • The Computer System ↗Cognitive Level: K (Knowledge)
2025 SLO Outcome (1.2.1): define various input and output devices, including keyboards, touchscreen, pointing devices, biometric scanners, sensors, recognition systems, audio devices, display screens, printers, plotters, cutters, and actuators;
A.
Mouse
B.
Light pen
C.
Joy stick
D.
Barcode reader
Q.4.
Consider the following properties.
•Introduced in 1960s
•Executes billions of instructions per second
•Used in the organisations that has hundreds of users
The type of digital computer that has the given properties is
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
minicomputer.
B.
supercomputer.
C.
microcomputer.
D.
mainframe computer.
Q.5.
Consider the following properties.
•Faster than other levels of cache memory.
•Present inside the microprocessor.
Which of the following level(s) of cache memory BEST describe(s) the given properties?
I.Level 1
II.Level 2
III.Level 3
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
I only
B.
III only
C.
I and II
D.
II and III
Q.6.
McAfee, Norton, Avira are softwares used to detect and remove errors.
The given softwares are examples of
2025 Syllabus: SLO 1.5.2 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.5.2): explain the following types of system software: a. operating system, b. device drivers, c. utility programs, d. language processors;
A.
device drivers.
B.
utility programs.
C.
operating system.
D.
language processors.
Q.7.
Fatima has started an online business and she wants to start a social media marketing campaign for her business.
THREE of the essential devices that she should use for this purpose are
2025 Syllabus: SLO 1.2.1 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.2.1): define various input and output devices, including keyboards, touchscreen, pointing devices, biometric scanners, sensors, recognition systems, audio devices, display screens, printers, plotters, cutters, and actuators;
A.
mouse, keyboard and printer.
B.
speakers, camera and printer.
C.
mouse, keyboard and camera.
D.
mouse, keyboard and speakers.
Q.8.
Two essential devices to record a video lecture are
2025 Syllabus: SLO 1.2.1 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.2.1): define various input and output devices, including keyboards, touchscreen, pointing devices, biometric scanners, sensors, recognition systems, audio devices, display screens, printers, plotters, cutters, and actuators;
A.
monitor and microphone.
B.
camera and microphone.
C.
monitor and speaker.
D.
camera and monitor.
Q.9.
Areej has the syllabi in hardcopy which she has to send to her friend via email. To do this, Areej needs to convert the hardcopy of the syllabi into softcopy.
The device Areej will use for this purpose will be
2025 Syllabus: SLO 1.2.1 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.2.1): define various input and output devices, including keyboards, touchscreen, pointing devices, biometric scanners, sensors, recognition systems, audio devices, display screens, printers, plotters, cutters, and actuators;
A.
plotter.
B.
scanner.
C.
optical mark reader.
D.
magnetic ink character reader.
Q.10.
The sensor that is MOST LIKELY to be used in nuclear plants is
2025 Syllabus: SLO 1.2.2 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.2.2): identify the use of types of sensors, i.e., temperature, moisture, light, infra-red, pressure, sound/ acoustic, gas and pH;
A.
pH sensor.
B.
gas sensor.
C.
moisture sensor.
D.
infra-red sensor.
Q.11.
Consider the given responsibilities.
I.Write programs to solve problems
II.Analyse the data processing requirements
III.Investigate the problem and plan the solution
The given responsibility(ies) is/ are of a system analyst EXCEPT
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
I only.
B.
III only.
C.
I and II.
D.
II and III.
Q.12.
All of the following operations are included in file management EXCEPT
2025 Syllabus: SLO 1.5.2 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.5.2): explain the following types of system software: a. operating system, b. device drivers, c. utility programs, d. language processors;
A.
creating files.
B.
opening files.
C.
searching files.
D.
translating files.
Q.13.
In terms of user management, which of the following is TRUE about an operating system (OS)?
2025 Syllabus: SLO 1.5.2 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.5.2): explain the following types of system software: a. operating system, b. device drivers, c. utility programs, d. language processors;
A.
It allows a user to install programs.
B.
It allows a user to create new users.
C.
It allows a user to run pre-installed programs.
D.
It allows a user to login without username and password.
Q.14.
How many classification(s) of operating system are there?
2025 Syllabus: SLO 1.5.2 • The Computer System ↗Cognitive Level: K (Knowledge)
2025 SLO Outcome (1.5.2): explain the following types of system software: a. operating system, b. device drivers, c. utility programs, d. language processors;
A.
One
B.
Two
C.
Three
D.
Four
Q.15.
All of the following are graphical user interface (GUI) EXCEPT
2025 Syllabus: SLO 1.5.2 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.5.2): explain the following types of system software: a. operating system, b. device drivers, c. utility programs, d. language processors;
A.
Unix.
B.
Linux.
C.
Windows.
D.
Macintosh.
Q.16.
A type of an operating system that is used in oil refinery for indicating that temperature is getting too high is
2025 Syllabus: SLO 1.5.2 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.5.2): explain the following types of system software: a. operating system, b. device drivers, c. utility programs, d. language processors;
A.
real time system.
B.
multi-user system.
C.
time sharing system.
D.
batch processing system.
Q.17.
Which of the following are the features of a word processor?
I.Spell check of words
II.Inserting pictures and tables
III.Changing the page orientation
IV.Data filtering and visualisation
2025 Syllabus: SLO 1.5.3 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.5.3): describe the purpose of the following application software: a. word processor, b. spreadsheet, c. database management, d. presentation/ desktop publication, e. communication, f. entertainment;
A.
I and IV
B.
II and IV
C.
I, II and III
D.
II, III and IV
Q.18.
The shortcut key used to move the cursor at the top of the document is
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
Home.
B.
Page up.
C.
Ctrl+Home.
D.
Ctrl+Page up.
Q.19.
The MOST suitable page orientation for making a certificate is
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
legal.
B.
letter.
C.
portrait.
D.
landscape.
Q.20.
Which of the following tabs contain the options for setting the line spacing of a document?
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
Home
B.
Insert
C.
Design
D.
Layout
Q.21.
If the bit rate of the signal is 2000 bps and each signal unit carries 2 bits, then the baud rate of the signal will be
Out of 2025 SyllabusCognitive Level: A (Application)
A.
1000
B.
2000
C.
4000
D.
8000
Q.22.
1 MiB (Mebibyte) is equal to
Out of 2025 SyllabusCognitive Level: A (Application)
A.
1000 bytes.
B.
1024 bytes.
C.
1000000 bytes.
D.
1048576 bytes.
Q.23.
If two devices are connected but they are not able to communicate with each other, then the missing component of communication system is the
2025 Syllabus: SLO 1.7.1 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.7.1): describe data communication and its components, i.e., sender, message, medium, protocol and receiver;
A.
sender.
B.
receiver.
C.
protocol.
D.
transmission medium.
Q.24.
An artificial satellite is precisely positioned in the space with an orbit speed that
2025 Syllabus: SLO 1.9.3 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.9.3): explain guided media and unguided media;
A.
is more than the rotational speed of the Earth.
B.
is more than the rotational speed of the Moon.
C.
matches with the rotational speed of the Earth.
D.
matches with the rotational speed of the Moon.
Q.25.
If the strength of a signal falls off when the distance increases, then the type of transmission impairment will be
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
cross talk.
B.
distortion.
C.
attenuation.
D.
amplification.
Q.26.
Which of the following communication devices is the BEST alternative of a hub?
2025 Syllabus: SLO 1.8.1 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.8.1): explain the following communication devices: a. hub, b. modem, c. switch, d. router, e. gateway;
A.
Router
B.
Switch
C.
Dial-up Modem
D.
Network Interface Card
Q.27.
The type of transmission in which start/ stop bits are used is
2025 Syllabus: SLO 1.7.3 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.7.3): differentiate between the synchronous and asynchronous data transmission methods;
A.
satellite transmission.
B.
microwave transmission.
C.
synchronous transmission.
D.
asynchronous transmission.
Q.28.
Radio broadcasting and transmission of data from a computer to a printer are examples of
2025 Syllabus: SLO 1.7.2 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.7.2): describe the modes of network communication, i.e., simplex, half duplex and full duplex;
A.
simplex transmission.
B.
full-duplex transmission.
C.
half-duplex and simplex transmission respectively.
D.
half-duplex and full-duplex transmission respectively.
Q.29.
Which of the following statements is FALSE about client/ server networks?
2025 Syllabus: SLO 1.8.2 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.8.2): explain structure and functionality of network architecture and its types, including client-server, peer-to-peer, and point-to-point;
A.
It does not provide centralised security.
B.
It can be expanded up to thousands of computers.
C.
It is generally used for long distance communication.
D.
These networks are considered as wide area networks.
Q.30.
A student wrote the following four statements about computer networks in an exam.
I.It allows internet sharing.
II.It allows software sharing.
III.It allows file management.
IV.It allows memory management.
Which of these statements are TRUE?
2025 Syllabus: SLO 1.9.1 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.9.1): explain computer networks and their uses in different fields;
A.
I and II
B.
I and III
C.
II and IV
D.
III and IV
Q.31.
If a telephone company is providing high speed Digital Subscriber Line (DSL) to the customers in a city, then the type of network it must be using is
2025 Syllabus: SLO 1.9.2 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.9.2): explain different types of computer networks, i.e., Local Area Network (LAN), Wide Area Network (WAN), and Metropolitan Area Network (MAN), highlighting their characteristics and applications;
A.
local area network (LAN).
B.
wide area network (WAN).
C.
personal area network (PAN).
D.
metropolitan area network (MAN).
Q.32.
Consider the given properties.
•Every node is connected with other nodes.
•It is the most reliable network topology.
•It is the most expensive topology.
Based on the given properties, the network topology is identified as
2025 Syllabus: SLO 1.9.4 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.9.4): explain the following network topologies emphasising their structure, functionality, advantages, and disadvantages: a. bus topology, b. ring topology, c. tree topology, d. star topology, e. mesh topology;
A.
bus topology.
B.
star topology.
C.
ring topology.
D.
mesh topology.
Q.33.
ISDN provides a maximum speed of 128 kbps which is
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
More than: DSL | Less than: Dial-up
B.
More than: DSL | Less than: CDMA
C.
More than: CDMA | Less than: Dial-up
D.
More than: Dial-up | Less than: CDMA
Q.34.
Consider the given characteristics of a telephone network.
•It is a wireless cellular communication technology.
•Transmission speed is up-to several Mbps.
•It provides improved voice quality.
Based on the given characteristics, the technology is identified as
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
dial-up.
B.
digital subscriber line (DSL).
C.
code-division multiple access (CDMA).
D.
integrated service digital network (ISDN).
Q.35.
In a Uniform Resource Locator (URL), .co and .gov are examples of
2025 Syllabus: SLO 3.1.1 • Programming Fundamentals (JavaScript, HTML & CSS) ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (3.1.1): define the following terms: a. World Wide Web (WWW), b. web page, c. website, d. web application, e. search engine, f. web server, g. web browser;
A.
file path.
B.
domain name.
C.
resource name.
D.
top level domain.
Q.36.
The type of website that provides the information about current events and opinions is
2025 Syllabus: SLO 3.1.1 • Programming Fundamentals (JavaScript, HTML & CSS) ↗Cognitive Level: K (Knowledge)
2025 SLO Outcome (3.1.1): define the following terms: a. World Wide Web (WWW), b. web page, c. website, d. web application, e. search engine, f. web server, g. web browser;
A.
web portal.
B.
news website.
C.
educational website.
D.
informational website.
Q.37.
The HTML code to show X₂ + Y² on a webpage is
2025 Syllabus: SLO 3.3.2 • Programming Fundamentals (JavaScript, HTML & CSS) ↗Cognitive Level: A (Application)
2025 SLO Outcome (3.3.2): apply appropriate text formatting tags, i.e., bold, underline, italic, strikethrough, superscript, subscript, centre, font size, font colour and font face;
A.
X<sup>2</sup> + Y<sub>2</sub>
B.
X<sub>2</sub> + Y<sup>2</sup>
C.
<sub>X</sub>2 + <sup>Y</sup>2
D.
<sup>X</sup>2 + <sub>Y</sub>2
Q.38.
Following line is written in a webpage.
Visit BBC News Urdu for latest news in Urdu.
When someone clicks hyperlink BBC News Urdu, then https://www.bbc.com/urdu is opened. The HTML code for this line is
2025 Syllabus: SLO 3.6.1 • Programming Fundamentals (JavaScript, HTML & CSS) ↗Cognitive Level: A (Application)
2025 SLO Outcome (3.6.1): write HTML code to: a. create a hyperlink to a web page; b. create an 'anchor' in the context of hyperlinks; c. create an anchor to hyperlink within a web page; d. create a graphical hyperlink;
A.
<p>Visit<"BBC News Urdu">a href=https://www.bbc.com/urdu</a>for latest news in Urdu.</p>
B.
<p>Visit <"https://www.bbc.com/urdu"> a href=BBC News Urdu</a> for latest news in Urdu.</p>
C.
<p>Visit <a href = "BBC News Urdu"> https://www.bbc.com/urdu </a> for latest news in Urdu.</p>
D.
<p>Visit <a href = "https://www.bbc.com/urdu">BBC News Urdu</a> for latest news in Urdu.</p>
Q.39.
Consider the given text.
[ Click here to open google ]
The HTML code to show this text in white color over black background is
2025 Syllabus: SLO 3.9.2 • Programming Fundamentals (JavaScript, HTML & CSS) ↗Cognitive Level: A (Application)
2025 SLO Outcome (3.9.2): apply code using inline/ internal CSS: a. background (color and image), b. font (colour, style and size), c. tables (border, size, alignment);
A.
<style:"background-color black;"><p style:"color white">Click here to open google</p>
B.
<style="background color<black>;"><p style="color<white>"> Click here to open google </p>
C.
<style="background color=black;"><p style="color=white"> Click here to open google </p>
D.
<body style="background-color:black;"><p style="color:white;">Click here to open google</p>
Q.40.
Which of the following is/ are the character entity(ies) in HTML?
I.p
II.br
III. 
2025 Syllabus: SLO 3.3.1 • Programming Fundamentals (JavaScript, HTML & CSS) ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (3.3.1): write HTML code to: a. specify a page title, b. create a paragraph, c. insert line breaks, d. insert spaces, e. add headings/ sub-headings;
A.
I only
B.
III only
C.
I and II
D.
II and III
S2501-1711110END OF PAPERPhysics Paper I