COMPUTER SCIENCE TOPICAL REVISION Q&A GRADE 10

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SUMMARY OF STRANDS AND SUB STRANDS 1.0 FOUNDATION OF COMPUTER SCIENCE 1.1 Evolution of Computers 1.2 Computer Architecture 1.3 Input/Output (I/O) Devices 1.4 Computer storage 1.5 Central Processing Unit (CPU) 1.6 Operating System (OS) 1.7 Computer setup 2.0 COMPUTER NETWORKING 2.1 Data communication 2.2 Data Transmission Media 2.3 Computer Network Elements 2.4 Network Topologies 3.0 : SOFTWARE DEVELOPMENT 3.1 Computer Programming Concepts 3.2 Program development 3.3 Identifiers and Operators 3.4 Control Structures 3.5 Containers 3.6 Functions

GRADE 10 COMPUTER SCIENCE REVISION STRAND 1.0: FOUNDATION OF COMPUTER SCIENCE SUB-STRAND 1.1: EVOLUTION AND DEVELOPMENT OF COMPUTERS SECTION A: MULTIPLE CHOICE QUESTIONS (1 MARK EACH) Choose the correct answer. 1. Which of the following is considered one of the earliest computing devices used for arithmetic calculations? A. Calculator B. Abacus C. Computer D. Printer 2. The abacus performs calculations by manipulating: A. Switches B. Magnetic disks C. Beads on rods D. Electrical circuits 3. Napier’s Bones were mainly used to perform: A. Addition only B. Multiplication and division C. Programming D. Data storage 4. The Pascaline was invented by: A. Charles Babbage B. Blaise Pascal C. Ada Lovelace D. John von Neumann 5. The Pascaline could perform which of the following operations? A. Addition and subtraction B. Multiplication only C. Division only D. Programming

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