BOARD OF INTERMEDIATE EDUCATION, KARACHI

INTERMEDIATE EXAMINATION
MODEL PAPER-2025 (ACCORDING TO REDUCED SYLLABUS – 2025)
COMPUTER SCIENCE PAPER – I Max. Marks: 60
(Science General & Humanities Groups – Regular) Time: 2 hours 40 minutes
SECTION ‘B’
(SHORT-ANSWER QUESTIONS) Marks: 30

Note: Answer any Ten part questions from this section. All part questions carry equal marks. Answer should not exceed 6 to 7 lines.

2. i) Why system software is necessary for any computer system?

ii) What do a compiler and interpreter do?
iii) Name any three full duplex devices.
iv) Why a RAM should be a temporary storage?
v) Distinguish between Serial Port and Parallel Port.
vi) Define Network protocols name any three.
vii) What is the main difference between Router and Gateway?
viii) What do you mean by Broadcasting?

ix) How can you define Metropolitan Area Network?

x) Define Io T. Name any three devices.
xi) What is main logical difference between AND gate and OR gate?
xii) Draw the diagram of following equation:

 A  B  . A  B   C
xiii) Differentiate between Analogue Computer and Digital Computer.
xiv) Name any three magnetic storage medium.
xv) Convert any three of the following number system:

* 10112       ? 10 *  2638       ? 10

* 14410       ? 2 *  64010       ? 8
*  AB316       ? 10 *  78410       ? 16
xvi)

SECTION ‘C’
(DETAILED-ANSWER QUESTIONS) Marks: 30

Note: Answer any Three questions from this section. All questions carry equal marks.

3. Describe different types of computer according to its size and speed.

4. Define Topology. Explain its types with diagram.

5. What are main differences between Impact Printers and Non-Impact Printers? Define different types of Impact printers.

6. Explain different types of communication media used in data communication.

7. What is an Operating System? Explain its function.

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 BOARD OF INTERMEDIATE EDUCATION, KARACHI
INTERMEDIATE EXAMINATION
MODEL PAPER-2025 (ACCORDING TO REDUCED SYLLABUS – 2025)
COMPUTER SCIENCE PAPER – I Max. Marks: 15
(Science General & Humanities Groups – Regular) Time: 20 minutes

SECTION ‘A’
(MULTIPLE CHOICE QUESTIONS) – (M.C.Qs.) Marks : 15

NOTE: i) This section consists of 15 part questions and all are to be answered. Each part question carries 1 mark.
ii) Do not copy the part questions in your answerbook. Write only the answer in full against the proper number
of the question and its part.
1. Choose the correct answer for each from the given options:
i) The first computer that used vacuum tubes was:
* Mark I * ENIAC * EDVAC * UNIVAC

ii) The first microprocessor name was:

* Intel 8088 * Intel 4044 * Intel 8008 * Intel 4004

iii) The generation of computer is classified:

* by the device used in memory and processor * by the speed of computer
* by the model of the computer * by the accuracy of computer

iv) The Dot Matrix is a type of:

* Scanner * Memory * Monitor * Printer

v) A type of memory that contain routine program that support to system hardware:
* BIOS * ROM * RAM * CACHE

vi) A port which transmits 8 bits at a time is called:

* Parallel Port * Serial Port * Female Port * USB Port

vii) An operation whereby a new word is placed into a particular memory location is called:
* a read operation * a write operation * a fetch operation * a trace operation

viii) A connection between similar networks is:

* Server * Bridge * Router * Gateway

ix) This is a Scanning device:

* Bar code Reader * Plotter * Keyboard * LED

x) This is the fastest data communication medium:

* Co-axial * Twister pair cable * Microwave * Fiber optic cable

xi) It is the logical gate that produces 1 output when all its inputs are set to 1:
* AND * NOT * XOR * OR

xii) A physical or logical arrangement of computers that communicate with each other is called:
* Topology * Mode of Operation * WAN * Communication

xiii) Distributive Law X.(Y+Z)=:

* X+(Y.Z) * (X + Y) + Z * (X.Y) + (X.Z) * (X + Y).(X + Z)

xiv) A computer program that translates one statement of program instructions at a time into machine language is
called:
* Debugger * Interpreter * Compiler * Assembler

xv) A computer cannot ‘boot’ if it does not have:

* Compiler * Loader * Operating System * Assembler

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