Part 3 Ms. T. N. Jones1

Vocabulary 1. A design for health, safety, and comfort 2. A tool used to put data into a computer, such as a keyboard, mouse, microphone, etc. 3. Determines the amount of data that can be transmitted per cycle 4. Any device used to store data, such as the hard disk, floppy disk, or CD 5. The microprocessor is also called the CPU which stands for… 6. Another name for the floppy disk drive 7. Information put into the computer Ms. T. N. Jones2 Ergonomic Input Device Bandwidth Storage Device Central Processor Unit A: Drive Data

Vocabulary 8. Internal, permanent storage device on your computer; the C: drive 9. Main circuit board inside the computer, usually contains the CPU, memory, and basic controllers for the system 10. One million cycles per second; each computer instruction requires a fixed number of cycles. 11. Another name for the hard disk drive 12. Physical storage in the form of chips 13. RAM, the temporary memory that stores the programs and files being loaded Ms. T. N. Jones3 Hard Disk Motherboard Megahertz C: Drive Memory Random Access Memory

Vocabulary 14. ROM, the permanent memory that stores the start-up program 15. Set of written instructions that tells the computer what actions to perform 16. Short for binary digit, the smallest unit of information on a computer 17. Short for microprocessor, it is the “brain” of the computer that controls all the computer’s actions Ms. T. N. Jones4 Read Only Memory Program Bit Processor

Vocabulary 18. The physical parts of a computer that can be seen and touched 19. To open, as a file or a program 20. To run or perform an action 21. To turn on a computer and thus load its operating program 22. Tool that displays the processed data in an understandable manner, such as a monitor, printer, or speaker 23. Usually, the CD-ROM storage drive Ms. T. N. Jones5 Hardware Access Execute Boot Output Device D: Drive

Terminology 1) Input Device 2) Output Device 3) ROM 4) RAM 5) Central Processor Unit 6) Processor 7) Boot 8) Storage Device 9) Data 10) Memory a) Read only memory-the permanent memory that store the start-up program b) It is the “brain” of the computer that controls all the computer’s action c) A tool used to put data into a computer ex. Keyboard. d) Physical storage in the form of chips e) Random access memory- the temporary memory that stores the programs and files being loaded. f) Information put into the computer g) To turn on a computer and thus loaded its operating program h) Any device used to store data ex. CD i) CPU another word for microprocessor j) Tool used to display data ex. monitor Ms. T. N. Jones6

and How to Purchase Computers and Mobile Devices Ms. T. N. Jones7

What Is a Computer? An electronic device, operating under the control of instructions stored in its own memory, that can: Accept data (input) Process the data according to specified rules (process) Produce results (output) Store the results (storage) for future use Ms. T. N. Jones8

What Is a Computer? Ms. T. N. Jones9

What is a Computer? Four basic operations compromise the information processing cycle Ms. T. N. Jones10

The Components of a Computer The six primary components of a computer are input devices, the processor (control unit and arithmetic/logic unit), memory, output devices, storage devices, and communications devices The processor, memory, and storage devices are housed in a box-like case called the system unit A peripheral is a device that connects to the system unit and is controlled by the processor in the computer Ms. T. N. Jones11

The Components of a Computer Ms. T. N. Jones12

Personal Computers and Mobile Devices A personal computer is a computer that can perform all of its input, processing, output, and storage activities by itself A mobile computer is a personal computer you can carry from place to place A mobile device is a computing device small enough to hold in your hand Ms. T. N. Jones13

Personal Computers and Mobile Devices Notebook computer – Laptop computer – Netbook – Tablet PC Desktop computer All-in-one computer Tablet slate computer Mobile devices – Smart phone – Portable media player – Digital camera Ms. T. N. Jones14