hardware & software
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This document discusses the basics of computer hardware and software. It defines hardware as the physical parts of a computer like the keyboard, monitor, chips, and data. Software is defined as programs and data that allow hardware to function through a series of instructions. The document outlines that computers require both hardware and software to work, as each is useless without the other. It provides examples of common computer hardware components like the CPU, memory, hard drive, and input/output devices. It also defines the different types of software like operating systems, applications, and utilities.
hardware & software
- 2. SCH.NO.5439
- 4. 4 Hardware and Software • Hardware – the physical, tangible parts of a computer – keyboard, monitor, wires, chips, data • Software – programs and data – a program is a series of instructions • A computer requires both hardware and software • Each is essentially useless without the other
- 5. Technology in Your Life Introducing Your Computer Your computer may use hardware like the components shown here. Hardware Basics
- 6. Technology in Your Life Hardware can be inside or outside the computer: The CPU and hard drive are inside the computer. The keyboard, monitor, and printer are outside the computer and must be connected by cables. Hardware Basics
- 7. • System Unit: Motherboard, CPU (Central Processing Unit), Memory • Hard disk • Floppy disk drive • CD drive/DVD drive • Power supply unit
- 8. Technology in Your Life Introducing Your Computer What Are Input and Output Devices? Information flows between you and your computer through input and output devices. Examples of input devices are: keyboard mouse scanner digital camera joystick Examples of output devices are: monitor printer speakers input Information that is entered into a computer. output Information that a computer produces and delivers back to the user. Hardware Basics
- 10. Technology in Your Life Introducing Your Computer Software is the set of instructions that lets you “talk” to your computer. Software translates commands into bits and bytes. Different types of software have different functions: Operating system (OS) software - makes your computer work Application software - lets you do different tasks on your computer Utility software - helps you maintain your computer and keep it in good running condition SOFTWARE A set of instructions, also called a program or application, that tells a computer how to perform tasks. OPERATING SYSTEM (OS) Software that controls all the other software programs and allows a computer to perform basic tasks. Software Basics
- 12. Copyright © 2000 by Brooks/Cole Publishing Company A division of International Thomson Publishing Inc.
- 13. Computer Software Relationships User Interface Basic Input and Output Services (BIOS) • needed for a computer to boot up User Interface Operating System User Interface Application Programs Computer Hardware
- 14. Summary