2019 · Paper 1
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AGA KHAN UNIVERSITY EXAMINATION BOARD
SECONDARY SCHOOL CERTIFICATE
CLASS IX
ANNUAL EXAMINATIONS (THEORY) 2019
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 (2019)Total 25 Examination Items • SLO Mapped
Q.1.
Fourth generation of computers started with the invention of
Out of 2025 SyllabusCognitive Level: K (Knowledge)
A.
vacuum tubes.
B.
microprocessor.
C.
integrated circuits.
D.
artificial intelligence.
Q.2.
The concept of stored-program was given by
2025 Syllabus: SLO 1.2.4 • The Computer System ↗Cognitive Level: K (Knowledge)
2025 SLO Outcome (1.2.4): illustrate the Von Neumann Architecture using a block diagram;
A.
Blaise Pascal.
B.
Herman Hollerith.
C.
John Von Neumann.
D.
Gottfried Wilhelm Leibniz.
Q.3.
The picture that represents a microprocessor is
Out of 2025 SyllabusCognitive Level: K (Knowledge)
A.
A (Vacuum Tube)
B.
B (Dual In-line Package IC)
C.
C (Transistor)
D.
D (Microprocessor Chip)
Q.4.
The generation of computers that used semiconductor memories for the first time is
Out of 2025 SyllabusCognitive Level: K (Knowledge)
A.
second generation.
B.
third generation.
C.
fourth generation.
D.
fifth generation.
Q.5.
Which of the following provides connectivity between central processing unit (CPU) and memory ONLY?
2025 Syllabus: SLO 1.2.5 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.2.5): illustrate the system bus and its types, including data bus, address bus and control bus, along with their roles in computer architecture using a diagram;
A.
Serial Port
B.
Control Bus
C.
Parallel Port
D.
Address Bus
Q.6.
As compared to primary memories, secondary memories 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.
cheap.
B.
fast.
C.
present on the motherboard.
D.
less in storage capacity.
Q.7.
The data storage part of a hard disk consists of metallic circular platters.
Consider the given image of a hard disk platter.
The shaded portion, X, of the hard disk platter is known as a
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.
track.
B.
sector.
C.
read/ write head.
D.
hard disk controller.
Q.8.
•High cost per print
•Ideal for printing photos
•Less number of prints per minute
The printer that has all the given features is a/ an
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.
laser printer.
B.
daisy-wheel printer.
C.
dot-matrix printer.
D.
inkjet printer.
Q.9.
Ali has some PowerPoint slides that he wants to store electronically.
He should store the slides in
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.
USB.
B.
hard disk.
C.
CD-ROM.
D.
floppy disk drive.
Q.10.
The number of bytes in 1.75 kilobytes is
2025 Syllabus: SLO 1.3.1 • The Computer System ↗Cognitive Level: A (Application)
2025 SLO Outcome (1.3.1): distinguish among the memory measuring units such as bits, bytes, kilobytes, megabytes, and gigabytes in computer memory;
A.
1792
B.
1750
C.
17920
D.
17500
Q.11.
The unique number of digits in the given decimal number is
1234567891011Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
8
B.
9
C.
10
D.
11
Q.12.
The decimal number that is equal to is
Out of 2025 SyllabusCognitive Level: A (Application)
A.
2072
B.
1184
C.
274
D.
148
Q.13.
The number of bits required to represent the given hexadecimal number is
Out of 2025 SyllabusCognitive Level: A (Application)
A.
16
B.
32
C.
64
D.
128
Q.14.
The product of and is
Out of 2025 SyllabusCognitive Level: A (Application)
A.
(1010)₂
B.
(0101)₂
C.
(0111)₂
D.
(1110)₂
Q.15.
When a computer is turned on, Windows is loaded from hard disk into
2025 Syllabus: SLO 1.3.2 • The Computer System ↗Cognitive Level: K (Knowledge)
2025 SLO Outcome (1.3.2): compare the types of primary memory, i.e., Random Access Memory (RAM) and Read Only Memory (ROM);
A.
ROM.
B.
RAM.
C.
compact disc.
D.
digital versatile disc.
Q.16.
All of the following are TRUE about a taskbar EXCEPT that a taskbar can be
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
made to disappear.
B.
locked and unlocked.
C.
placed at any of the four sides of a monitor's screen.
D.
made to reappear by using the keyboard shortcut Ctrl + Alt.
Q.17.
Farhan wants to add page number in an MS Word file as shown in the image (
1 | Page).The CORRECT sequence of steps he should follow to insert this page number is
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
• Click on Insert menu.
• Click on Page Number icon.
• Click on Bottom of Page and select Accent Bar 1.
B.
• Click on Insert menu.
• Click on Page Number icon.
• Click on Bottom of Page and select Plain Number 1.
C.
• Click on Page Layout menu.
• Click on Page Number icon.
• Click on Bottom of Page and select Accent Bar 1.
D.
• Click on Page Layout menu.
• Click on Page Number icon.
• Click on Bottom of Page and select Plain Number 1.
Q.18.
Daniyal is working on an MS Word file but the mouse connected to his computer system is not working.
The keyboard shortcut that he should use to change text 'computer science' to 'Computer Science' is
Out of 2025 SyllabusCognitive Level: A (Application)
A.
Alt + F3
B.
Ctrl + F3
C.
Shift + F3
D.
Enter + F3
Q.19.
Sana has the following files in her flash drive:
I.
Morning.mp3II.
Night.wavIII.
Fresh.jpgIV.
New.pngV.
Old.gifThe image files that she can add from her flash drive to PowerPoint presentation are
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
III, IV and V.
B.
I, II and III.
C.
I, IV and V.
D.
II, III and IV.
Q.20.
Aryan is working on MS Word file and he wants to know the total number of pages in the file. The bar that will help him for this purpose is
Out of 2025 SyllabusCognitive Level: A (Application)
A.
status bar.
B.
menu bar.
C.
tool bar.
D.
title bar.
Q.21.
All of the following are features of DOS EXCEPT that it
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
provides user interface.
B.
executes user programs.
C.
provides plug and play facility.
D.
performs memory management.
Q.22.
As compared to DOS internal commands, DOS external commands are
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
stored in COMMAND.COM file.
B.
loaded into memory during booting process.
C.
executed by the help of COM, EXE and BAT files.
D.
commonly used commands listed in directory listing.
Q.23.
The CORRECT set of characteristics of command line interface (CLI) 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.
• It requires less memory.
• It performs single task for single user.
• User needs a keyboard to use this interface.
B.
• It is easy to learn.
• It shows menus and icons.
• It performs single task for single user.
C.
• It shows menus and icons.
• It performs multiple tasks for single user.
• It can switch back and forth between different applications.
D.
• It is user friendly.
• It performs multiple tasks for single user.
• User mostly needs a mouse to use this interface.
Q.24.
Kazim is using disk operating system (DOS). He wants to delete all the files in the current directory.
The DOS command he should use for this purpose is
Out of 2025 SyllabusCognitive Level: A (Application)
A.
DEL
B.
DEL.
C.
DELTREE
D.
DELFILES.
Q.25.
An example of application software is
2025 Syllabus: SLO 1.5.1 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.5.1): compare system software and application software, highlighting their roles in a computer system;
A.
MS Word.
B.
anti-virus.
C.
screen saver.
D.
MS Windows.
S2501-1711110END OF PAPERPhysics Paper I