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COMPUTER SCIENCE 2025
(Science General Group)
TIME: 3 Hours (75 Marks)
SECTION 'A' (Multiple Choice Questions)(15)
NOTE: i) This section consists of 15 part questions and all are to be answered. Each part questions 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 primary function of CPU in computer is:
*To input data *To store data
*To process data✓ *To output data
ii) It is considered the ‘brain’ of the computer:
*RAM *Hard disk drive *CPU✓ *Keyboard
iii) Smallest unit of the data in computer is:
*Bit✓ *Byte *Megabyte *Gigabyte
iv) This programming language is commonly used for web development:
*Turbo C *C++ *Python *HTML✓
v) In internet ‘URL’ stand for:
*Universal Resource Locator✓ *Unique Resource Locator
*Unique Resource Locator *Ultimate Resource Locator
vi) This is not a type of computer network:
*LAN *WAU *MAN *CPU✓
vii) The purpose of a compiler in programming language is:
*convert high-level language into machine code✓
*execute the program
*translate source code into assembly language
*debug errors in the code
viii) SNA stands for:
*System Network Architecture✓ *Small Network Area
*Small Network Access *Serial Network Adaptor
ix) The third generation of computer used:
*Vacuum tubes *Transistors
*Integrated circuits✓ *Micro processors
x) Data transmission in which data flows in both directions at the same time is called:
*Simplex *Half Duplex✓ *Full Duplex *Multiplex
xi) This is not a type of operating system:
*Windows *Linux *Mac OS *Oracle✓
xii) This is an example of stem software:
*MS Word *Adobe Photoshop
*Windows✓ *Chrome Browser
xiii) Main purpose of data communication is:
*To store large amounts of data *To display images
*To transfer data between devices✓ *To protect against viruses
xiv) Logic elite produce 1 output when all of its inputs are set to 1 otherwise 0:
*AND ✓ *NOT *OR *NOR
xv) Computer can’t boot if it does not have:
*Compiler *Browser *Operating System ✓ *Loader
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