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Computer Lecture 01.pptxIntroduction to Computers
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- 2. OUTLINE Introduction toComputers Computers in Society Components of a Computer Types of Computers
- 4. Introduction to Computer Definition: “Acomputer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data” The word "computer" is derived from the Latin word "computare," which means "to calculate"
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- 6. COMPUTERS IN SOCIETY Computers are used for o Businesses o Communication o Entertainment o Education o Medical Field
- 7. COMPUTERS IN SOCIETY Computers in Education o Access information o Interactive Learning Computers in Small Businesses o Making businesses more profitable o Allow owners to manage Computers in Industry o Design Products o Control Systems
- 8. COMPUTERS IN SOCIETY Computers in Government o Police Officers o Tax Calculation and Collection o News updates, public announcements o Government were first computer users Computers for Entertainment o Gaming o Movies o Digital Content Creation o Social Media and Networking
- 9. COMPUTERS IN SOCIETY Computers in Medical Field o Electronic Health Records o Medical Imaging o Medical Research o Health Education and Training
- 10. COMPONENTS OF COMPUTER SYSTEM Computer system has four parts o Hardware o Software o Data o User
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- 12. COMPONENTS OF COMPUTER SYSTEM Hardware: o Physical components of a computer system. o Includes devices such as CPU, memory, storage, motherboard, and input/output devices. o Responsible for executing physical tasks and operations in a computer. Software: o Non-physical programs, instructions, and data. o Includes operating systems, application software. o Software is reinstalled in case of any problem.
- 13. COMPONENTS OF COMPUTER SYSTEM Data: o Pieces of information o Computer organize and present data User: o People operating the system o Most important part o Tell the computer what to do
- 14. INFORMATION PROCESSING CYCLE Stepsfollowed to process data o Input o Processing o Output o Storage
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- 16. TYPES OF COMPUTER •Supercomputers • Mainframe computers • Minicomputers • Personal computers (PCs) or microcomputers
- 17. TYPES OF COMPUTER Supercomputers: The most powerful computer handle large amounts of data and calculations Supercomputers are used for areas related to: • Science • Engineering • Education Supercomputers are used for complex tasks, such as: • Weather forecasting • Climate research • Scientific simulation
- 18. TYPES OF COMPUTER Mainframecomputers a high-performance computer used for large organization Handle thousand of users Mainframe computers are primarily used in : • Institutions • Research • Academics • Health care • Libraries
- 19. TYPES OF COMPUTER Minicomputers A mid-range computer that is intermediate in size, power, speed, storage capacity. Between a mainframe and a microcomputer. Minicomputers are used by small organizations.
- 20. TYPES OF COMPUTER Personalcomputers A small computer designed for use by a single user at a time. Types of personal computers o Desktop o Laptop o Smart phone
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