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OVERVIEW OF COMPUTER SYSTEM - DEFINITION, CONSTITUENTS, PARTS AND CHARACTERISTICS (SS1)

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  OVERVIEW OF COMPUTER SYSTEM   DEFINITION, CONSTITUENTS, PARTS AND CHARACTERISTICS OBJECTIVE: 1. Define Computer 2. State the constituents of Computer 3. List the parts of a computer 4. State the characteristics of computer Definition of a Computer A computer can be defined as an electronic/programmable machine  which under the control of a stored program accepts data, stores the data, processes the data and brings out the results as information. Computer as an IPOS (Input Process Output system) Computer performs 4 key operations on data a.   Input        b.   Processing       c.   Output        d.   Storage a. Input:  data are entered into the computer through the input unit. Data are raw facts that are to be processed into meaningful form. b. Processing:  Computer performs certain operations on data entered into it; the Central Processing Unit (...
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ALGORITHM AND FLOWCHART 1 - MEANING, CHARACTERISTICS AND FUNCTIONS

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 ALGORITHM AND FLOWCHART 1 -  MEANING, CHARACTERISTICS AND FUNCTIONS MEANING OF ALGORITHM Algorithm can be defined as a set of rules and sequential steps that define how a particular problem can be solved in finite and ordered sequences.  An algorithm is a procedure used for solving a problem or performing a computation. Algorithms act as an exact list of instructions that conduct specified actions step by step in either hardware- or software-based  routines .  Algorithms are widely used throughout all areas of IT.   CHARACTERISTICS OF ALGORITHM 1. They are written in sequence. 2. They are written in English like statements. 3. Finite, it must have a beginning and an end. 4. An Algorithm should be effective  Because each instruction in an algorithm affects the overall process,  it should be adequate. 5. It must be unambiguous ( clear, precise)  and consistent. 6. Input :  An algorithm requires some input values. An algorithm can be ...
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JS2 IST TERM SCHEME OF WORK - COMPUTER STUDIES FOR 26/27 ACADEMIC SESSION

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 1ST TERM SCHEME OF WORK - COMPUTER STUDIES 1. C omputer Software 1: Definition and Types 2. The computer Software 2 : System and Application Software- Meaning, Examples and Features. Practical - How to Install Software 3. Classification of Computer System According to Types, Sizes and Purposes 4. The computer system 1: Components of Computer System- Hardware - Software - and People Ware 5.  The computer system 2: The computer hardware Components - Input - Output Devices - Storage Devices - ALU(Arithmetic Logic Unit) - Control Unit 6.  The computer system 3: People Ware  -  Computer Professionals- Definition, duties and qualities Practical (Python Programming 1) 7. Mid Term Break 8. Number Base System 1 - Meaning and Types - Binary - Decimal - Octal and Hexadecimal Number System Practical (Python Programming 2) 9. Number Base System 2 - Conversion from one Number Base to the Other 10. Revision 11. Examination 12. Examination 13. Vacation
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WELCOME BACK TEST YEAR 9 DIGITAL TECHNOLOGIES

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  YEAR 9 DIGITAL TECHNOLOGIES WELCOME BACK TEST Time: 45 Minutes Total Marks: 40 Name: __________________________________________ Class: ___________________ Date: ___________________ INSTRUCTIONS Answer all questions. For Section A, select the correct option A–D . Write your answers clearly. Read each question carefully. SECTION A: MULTIPLE CHOICE QUESTIONS Choose the correct answer. (20 Marks) 1. Which of the following is an example of system software? A. Microsoft Word B. Windows C. CorelDRAW D. PowerPoint 2. Which component is responsible for carrying out instructions in a computer? A. Monitor B. CPU C. Keyboard D. Printer 3. Which of the following is volatile memory? A. ROM B. SSD C. RAM D. Hard disk 4. What is the main function of an operating system? A. To manage computer resources B. To create only presentations C. To browse websites only D. To print documents 5. Which application is most suitable for creating a s...
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WELCOME BACK TEST DIGITAL TECHNOLOGIES (YEAR 8)

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  WELCOME BACK TEST DIGITAL TECHNOLOGIES  (YEAR 8) SECTION A: MULTIPLE CHOICE Choose the correct answer. (20 Marks) 1. Which of the following is an input device? A. Monitor B. Printer C. Keyboard D. Speaker 2. The brain of the computer is the: A. RAM B. CPU C. Monitor D. Hard disk 3. Which of the following is used to store data permanently? A. RAM B. ROM C. SSD D. Cache 4. What does ICT stand for? A. Information and Communication Technology B. Internet Computer Technology C. Information Computer Training D. International Communication Technology 5. Which software is mainly used for typing and editing documents? A. Microsoft Word B. Paint C. Calculator D. Media Player 6. Which of the following is an example of application software? A. Windows B. Linux C. Microsoft PowerPoint D. BIOS 7. What is the main purpose of a web browser? A. To create computer hardware B. To access websites on the internet C. To repair a computer D. To pr...
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