2017 · Paper 1
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AGA KHAN UNIVERSITY EXAMINATION BOARD
SECONDARY SCHOOL CERTIFICATE
CLASS IX
ANNUAL EXAMINATIONS (THEORY) 2017
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 (2017)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.
A programming language that is easy for humans to understand is called
2025 Syllabus: SLO 1.6.2 • The Computer System ↗Cognitive Level: K (Knowledge)
2025 SLO Outcome (1.6.2): classify programming languages into low-level (machine and assembly) and high-level (procedural and object-oriented) languages;
A.
machine language.
B.
assembly language.
C.
low level language.
D.
high level language.
Q.3.
Which of the following components of processor will perform the operation
5 + 10?2025 Syllabus: SLO 1.2.4 • The Computer System ↗Cognitive Level: U (Understanding)
2025 SLO Outcome (1.2.4): illustrate the Von Neumann Architecture using a block diagram;
A.
Input unit
B.
Control unit (CU)
C.
Memory unit (MU)
D.
Arithmetic logic unit (ALU)
Q.4.
When compared with Static RAM (SRAM), which of the following is TRUE about Dynamic RAM (DRAM)?
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.
DRAM is faster than SRAM.
B.
DRAM is expensive than SRAM.
C.
DRAM is a type of non-volatile memory.
D.
DRAM needs to be refreshed periodically.
Q.5.
Which of the following is TRUE about serial ports?
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
They transmit one bit at a time.
B.
They are faster than parallel ports.
C.
They are also called line printer (LPT) ports.
D.
They are largest ports on the rear of computer system.
Q.6.
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.7.
The keys on a computer keyboard are divided into five groups.
Which of the key groups encircled below is the 'Function key group' on a standard keyboard?
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.
A (Top row F1–F12 keys)
B.
B (Status indicator LEDs)
C.
C (Arrow / Cursor navigation keys)
D.
D (Numeric keypad)
Q.8.
Which of the following devices is suitable for producing large drawings or images such as plans of buildings or blue prints of complex machines like an aircraft?
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.
Dot matrix printer
B.
Inkjet printer
C.
Laser printer
D.
Plotter
Q.9.
Each alphabet, symbol or number on a standard keyboard can be represented by an ASCII number. One ASCII number occupies one byte of memory.
How many bits are required to store the word STAR in computer memory?
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.
4
B.
8
C.
16
D.
32
Q.10.
The data storage part of a hard disk consists of metallic circular platters.
Consider the image of a hard disk platter.
The portion of hard disk platter shaded and marked with X is known as
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.11.
Binary, decimal, octal and hexadecimal are the number systems widely used in the field of computer science.
The number is an example of
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
octal number system.
B.
binary number system.
C.
decimal number system.
D.
hexadecimal number system.
Q.12.
If the decimal number is stored in computer memory, then what is the binary equivalent of this decimal number?
Out of 2025 SyllabusCognitive Level: A (Application)
A.
(11100101)₂
B.
(10100111)₂
C.
(11101101)₂
D.
(10110111)₂
Q.13.
The hexadecimal digit
C is equal to decimal numberOut of 2025 SyllabusCognitive Level: U (Understanding)
A.
10
B.
11
C.
12
D.
13
Q.14.
How many binary digits (bits) are required to represent hexadecimal number ABC?
Out of 2025 SyllabusCognitive Level: A (Application)
A.
3
B.
6
C.
12
D.
24
Q.15.
Shanaya is an Associate Director in an organisation. She has to give a presentation in a meeting. The presentation includes text, graphics, animation and a movie clip.
The most suitable software for Shanaya to give presentation is
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.
MS Excel.
B.
MS Word.
C.
MS Access.
D.
MS PowerPoint.
Q.16.
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.17.
If any file/ folder is minimised in Windows, then which of the following would be the best option to find the minimised file/ folder instantly?
Out of 2025 SyllabusCognitive Level: A (Application)
A.
A (Recycle Bin icon)
B.
B (My Documents icon)
C.
C (Start button)
D.
D (Taskbar)
Q.18.
Akram has deleted a PowerPoint presentation file accidently.
He can restore the deleted file from
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
Recycle Bin.
B.
Control Panel.
C.
My Computer.
D.
My Documents.
Q.19.
Which of the following print layouts are used to print text on a horizontal page?
Out of 2025 SyllabusCognitive Level: A (Application)
A.
Landscape
B.
Portrait
C.
Normal
D.
Legal
Q.20.
You can run a slideshow in PowerPoint using
Out of 2025 SyllabusCognitive Level: A (Application)
A.
F5
B.
F6
C.
F7
D.
ESC
Q.21.
Which of the following is an example of an operating system?
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.
Microsoft Office
B.
Microsoft Word
C.
Microsoft Excel
D.
Microsoft Windows
Q.22.
GUI stands for
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.
Geographical User Interface
B.
Giga Byte User Interface
C.
Graphical User Interface
D.
Graphical User Interrupt
Q.23.
There are internal and external commands in disk operating system (DOS).
Which of the following is an external DOS command?
Out of 2025 SyllabusCognitive Level: U (Understanding)
A.
DIR
B.
DEL
C.
EXIT
D.
DELTREE
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.
Which of the following is an example of application software?
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