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AGA KHAN UNIVERSITY EXAMINATION BOARD
SECONDARY SCHOOL CERTIFICATE
CLASS IX
ANNUAL EXAMINATIONS (THEORY) 2025
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 (2025)Total 40 Examination Items • SLO Mapped
Q.1.
With reference to generation of computers, Python belongs to
2025 Syllabus: SLO 1.6.1 • The Computer System ↗Cognitive Level: K (Knowledge)
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.
Which part of this cheque is readable by the magnetic ink character reader?
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.
I
B.
II
C.
III
D.
IV
Q.3.
The type of computers that uses only continuous signals as input is known as
Out of 2025 SyllabusCognitive Level: K (Knowledge)
A.
analog computers.
B.
digital computers.
C.
hybrid computers.
D.
personal computers.
Q.4.
Consider the following:
•Introduced in 1970s
•A single chip controls the operations of entire computer system
•Commonly found in desktops and laptops
The type of digital computer described in the given points is
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
minicomputer.
B.
supercomputer.
C.
microcomputer.
D.
mainframe computer.
Q.5.
An output device that can be used instead of tablet screens to conduct an online class is
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.
plotters.
B.
printers.
C.
actuators.
D.
monitors.
Q.6.
Consider the following software.
•Macintosh
•Ubuntu
•Linux
The given software are the 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.
In comparison to Random Access Memory (RAM), the statement that accurately describes a feature of Read Only Memory (ROM) is that it
2025 Syllabus: SLO 1.3.2 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.3.2): compare the types of primary memory, i.e., Random Access Memory (RAM) and Read Only Memory (ROM);
A.
is typically faster in data access.
B.
cannot perform the read function.
C.
cannot change data when the computer is turned off.
D.
is primarily used for secondary storage in computer system.
Q.8.
Consider the given properties:
I.Transfers data sequentially, one bit at a time
II.Receive data between computer and printer/ scanner
III.Typically used for high-speed data transfer between a computer and external devices
The property(ies) that BEST describe(s) a serial port is/ are
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
I only.
B.
III only.
C.
I and II.
D.
II and III.
Q.9.
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.
Joy stick
C.
Light pen
D.
Barcode reader
Q.10.
The statement that distinguishes data from information is that data is
2025 Syllabus: SLO 4.1.1 • Data and Analysis ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (4.1.1): explain the following key concepts of data science: a. data science, b. data and dataset, c. data analysis, d. statistics and probability, e. mathematics, f. machine learning, g. deep learning, h. data mining, i. data visualisation, j. big data, k. predictive model, l. natural language processing (NLP), m. image processing;
A.
qualitative, while information is quantitative.
B.
static and unchangeable, while information is dynamic.
C.
collected in a raw form, while information provides meaningful insights.
D.
relevant and contextual, while information is collected through observation.
Q.11.
A software or program that allows modification or redistribution in its source code is a/ an
2025 Syllabus: SLO 1.5.4 • The Computer System ↗Cognitive Level: K (Knowledge)
2025 SLO Outcome (1.5.4): distinguish between open-source, shareware, and freeware software based on their licensing, accessibility, cost, and usage limitations;
A.
open-source software.
B.
proprietary software.
C.
shareware.
D.
freeware.
Q.12.
A text-based interface that provides precise control over system functions and configuration 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.
touch user interface.
B.
menu driven interface.
C.
graphical user interface.
D.
command line interface.
Q.13.
A type of an operating system that is designed to process data and generate responses to external events within a specified time frame 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.
single-user system.
B.
multi-user system.
C.
time sharing system.
D.
batch processing system.
Q.14.
The type of operating system that only allows a user to login and use the system at a time is
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.
menu driven.
B.
time sharing.
C.
single user.
D.
multi user.
Q.15.
A computer user notices that the system is running slowly and frequently encounters errors related to insufficient space, while running multiple applications simultaneously.
The function of operating system that is MOST likely to address the given issues 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.
I/O management.
B.
process management.
C.
memory management.
D.
resource management.
Q.16.
A type of an operating system that is used in oil refinery for indicating ‘the 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.
The shortcut key to select a single character in MS Word is
Out of 2025 SyllabusCognitive Level: K (Knowledge)
A.
Ctrl+S
B.
Shift+S
C.
Ctrl+Right Arrow key
D.
Shift+Right Arrow key
Q.18.
Which of the following page layout options belongs to the orientation of a document?
Out of 2025 SyllabusCognitive Level: K (Knowledge)
A.
Legal
B.
Letter
C.
Portrait
D.
Normal
Q.19.
Which of the following tabs contains the options for adding page numbers to a document?
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
Home
B.
Insert
C.
Design
D.
Layout
Q.20.
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.21.
A transmission in which a data is transmitted through block by block method is known as
2025 Syllabus: SLO 1.7.3 • The Computer System ↗Cognitive Level: K (Knowledge)
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.22.
A physical pathway that is used to deliver the message between sender and receiver is
2025 Syllabus: SLO 1.7.1 • The Computer System ↗Cognitive Level: K (Knowledge)
2025 SLO Outcome (1.7.1): describe data communication and its components, i.e., sender, message, medium, protocol and receiver;
A.
medium.
B.
set of rules.
C.
message.
D.
bandwidth.
Q.23.
The component of a communication system that serves as the intermediary to ensure the proper formatting and interpretation of exchanged data is
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.
All of the following are the characteristics of a good communication system EXCEPT
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.
protocol.
B.
delivery.
C.
accuracy.
D.
timeliness.
Q.25.
On converting 3 Mib (Mebibyte) into Kibibyte, the value will be
Out of 2025 SyllabusCognitive Level: A (Application)
A.
3000 Kib.
B.
3072 Kib.
C.
3000000 Kib.
D.
3145728 Kib.
Q.26.
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.
100
B.
1000
C.
1020
D.
4000
Q.27.
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.28.
The type of network in which multiple employees connect to a central system for resources and services is
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.
wide area network.
B.
peer-to-peer network.
C.
client/ server network.
D.
point-to-point network.
Q.29.
Consider the given properties of topology.
•Easy to detect errors
•Easy to add or remove nodes
•Network configuration is based on central hub
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.30.
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.31.
A student wrote the following four statements about computer networks in an exam.
I.It allows sharing of a software.
II.It allows sharing of the internet.
III.It allows sharing of small files only.
IV.It allows sharing of resources without transmission media.
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.32.
If a company is providing high speed DSL to the employees in a campus, 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.33.
Watching a movie on television and text messaging on a mobile phone are the 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.
full-duplex transmission.
B.
half-duplex transmission.
C.
simplex and full-duplex transmissions respectively.
D.
simplex and half-duplex transmissions respectively.
Q.34.
If we want to connect computers and other devices across the world, then the type of network used will be
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.
bluetooth network
B.
wide area network (WAN).
C.
personal area network (PAN).
D.
metropolitan area network (MAN).
Q.35.
The type of website that provides the animations, tutorials, graphics and text for learning is
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.
web portal.
B.
news website.
C.
educational website.
D.
informational website.
Q.36.
Which of the following is/ are NOT 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
Q.37.
The HTML code to display X⁹+Y₃*Z⁶ 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>9</sup>+Y<sub>3</sub>*Z <sup>6</sup>
B.
X<sub>9</sub>+Y<sup>3</sup>*Z<sub>6</sub>
C.
<sup>X9</sup>+<sub>Y3</sub>*<sup>Z6</sup>
D.
<sub>X9</sub>+<sup>Y3</sup>*<sub>Z6</sub>
Q.38.
Use this information to answer Q.38 and Q.39.
Consider the given text:
Click here to open LinkedInThe HTML code to make the hyperlink of the given text 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.
<a href:"https://www.linkedin.com/"><a>Click here to open LinkedIn </a>
B.
<a href=https://www.linkedin.com/>Click here to open LinkedIn </a>
C.
Click here to open LinkedIn <a href="https://www.linkedin.com/">
D.
<a>Click here to open LinkedIn </a> <a href=https://www.linkedin.com/>
Q.39.
Use this information to answer Q.38 and Q.39.
Consider the given text:
Click here to open LinkedInThe HTML code to show this text in magenta color over white 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.
<body style:"background-color white;"> <p style:"color magenta">Click here to open LinkedIn</p>
B.
<style="background color<white>;"> <p style="color<magenta>"> Click here to open LinkedIn </p>
C.
<style="background color=white;"> <p style="color=magenta"> Click here to open LinkedIn </p>
D.
<body style="background-color:white;"> <p style="color:magenta;">Click here to open LinkedIn</p>
Q.40.
The first part of a URL is a
2025 Syllabus: SLO 1.11.1 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.11.1): explain the following data communication protocols highlighting their functions and significance: a. Transmission Control Protocol/ Internet Protocol (TCP/IP), b. Hypertext Transfer Protocol (HTTP), c. File Transfer Protocol (FTP);
A.
protocol.
B.
file path.
C.
domain name.
D.
top level domain.
S2501-1711110END OF PAPERPhysics Paper I