2018 · Paper 2
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📄 Exact Digital Copy of Official Paper II Question Booklet (Unanswered Exam Format • 2025 Syllabus Mapped)
AGA KHAN UNIVERSITY EXAMINATION BOARD
SECONDARY SCHOOL CERTIFICATE
CLASS IX
ANNUAL EXAMINATIONS (THEORY) 2018
Physics Paper II
Time: 1 hour 50 minutes Marks: 25
INSTRUCTIONS
Please read the following instructions carefully.
1. Check your name and school information. Sign if it is accurate.
I agree that this is my name and school.
Candidate's Signature
Candidate's Signature
RUBRIC
2. There are SEVEN questions. Answer ALL questions. Questions 6 & 7 each offer TWO choices. Attempt any ONE choice from each.
3. When answering the questions:
Read each question carefully.
Use a black pointer to write your answers. DO NOT write your answers in pencil.
Use a black pencil for diagrams. DO NOT use coloured pencils.
DO NOT use staples, paper clips, glue correcting fluid, or ink erasers.
Complete your answer in the allocated space only. DO NOT write outside the answer box.
4. The marks for the questions are shown in brackets ( ).
5. You may use a simple calculator if you wish.
Physics Paper II • CLASS IX (2018)Total 7 Examination Items • SLO Mapped
Q.1.
(Total 5 Marks)Names of some computing devices that were invented during the evolution of computer are given below:
•
ENIAC • UNIVAC • Mark-1 • Abacus • Difference engine • Punch card tabulator • Analytical engine • Pascal's Pascaline calculatorChoose appropriate name from the list inside the box and write it with corresponding statement about a computing device. (Note: Only one name can be used for one statement.) (5 Marks)
i.
_________________________ was steam powered, fully automatic and could print the results as well.ii.
_________________________ works on decimal arithmetic rather than binary arithmetic.iii.
_________________________ was a general purpose, fully program-controlled and automatic mechanical digital computer.iv.
_________________________ had a system of gears. One-tooth gear of this machine engages tooth with a ten-tooth gear once every time it revolves.v.
_________________________ processes data in numerical form using digital circuits.Out of 2025 SyllabusCognitive Level: K (Knowledge)
Q.2.
(Total 5 Marks)a. How many image files, of size 512 kilobytes each, can be stored on 1500 megabytes of a DVD? Show your working. (2 Marks)
b. THREE types of events are performed by a mouse. Describe the purpose of these events: Left Click, Right Click, and Drag. (3 Marks)
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;
Q.3.
(Total 5 Marks)a. Convert the given octal number into decimal number. Show your working. (2 Marks)
b. Show that binary addition of two numbers, and , gives a result which is equal to in decimal number system. (3 Marks)
Out of 2025 SyllabusCognitive Level: A (Application)
Q.4.
(Total 6 Marks)a. Asher wants to launch the start menu on his computer system which has Windows operating system installed but the mouse connected to his computer system is not working.
Mention any TWO ways in which Asher could launch the start menu without using the mouse. (2 Marks)
b. Given is a list of change case options available in MS Word:
•
Sentence case • Lowercase • Uppercase • Capitalize each word • Toggle caseSelect appropriate change case option for each word from the given list and write it in the third column of the table. (2 Marks)
c. To insert any chart in MS PowerPoint, we enter data in the MS Excel file that should be depicted in the chart.
Complete the given MS Excel table by filling the shaded cells with reference to the given chart. (2 Marks)
Out of 2025 SyllabusCognitive Level: A (Application)
Q.5.
(Total 4 Marks)a. Define the following types of user interface:
i. Command Line Interface (CLI) (1 Mark)
ii. Graphical User Interface (GUI) (1 Mark)
b. Define 'internal' and 'external' commands in DOS and give an example of any ONE of these. (2 Marks)
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;
Q.6.
(Total 8 Marks)EITHER
a.
i. Differentiate among supercomputers, minicomputers and microcomputers on the basis of their size, computation speed, cost and use. (5 Marks)
ii. Write any THREE advantages of using integrated circuits (ICs) over transistors in third generation of computers. (3 Marks)
OR
b.
i. The given image shows the system bus in a typical computer. Identify address bus, control bus and data bus (
A, B, C) on the basis of connections shown among CPU, Memory and Input and Output units of a computer system. (3 Marks)ii. Describe the following types of translators: Compiler, Interpreter, and Assembler. (3 Marks)
iii. Describe the role of RAM and ROM in computer. (2 Marks)
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;
Q.7.
(Total 7 Marks)EITHER
a.
i. Identify any TWO application software that can help a teacher to improve his/ her routine tasks such as preparation of lecture, report cards, attendance registers and time table. (1 Mark)
ii. Describe THREE uses of each software identified in part (i). (6 Marks)
OR
b. Utility software is a type of system software used to support the computer infrastructure, distinguishing it from application software which is aimed at directly performing tasks that benefit ordinary users.
Explain the functionality of any FOUR utility software using appropriate examples. (7 Marks)
2025 Syllabus: SLO 1.5.3 • The Computer System ↗Cognitive Level: A (Application)
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;
S2501-1711120END OF PAPERPhysics Paper II