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Ellie Howell
computer parts
| Question | Answer |
|---|---|
| computer | machine that can be programed invented in the 1940s. |
| Personal computer | PC: includes a computer, mouse, and moniter |
| Hardware | the computer and all attatched equipment ex: speakers, keyboard, mouse, moniter |
| software | a set of instructions for the computer that has the ability to create or change data |
| monitor | a display screen |
| mouse | an input device . it moves the cursor on the monitors |
| keyboard | the keyboard is a set of keys or buttons that are used to input info and instructions to a computer |
| hard drive | the primary storage unit where the operating system, applications, files, ans data, stored magnetically |
| CDROM | compact disk used to store data. holds up to 650 megabytes of data. COMPACT DISK READABLE ONLY MEMORY |
| CDROM drive | small box with motor that reads what is on a CD-ROM with a laser |
| data | pieces of info, the computer uses software to change data |
| program | another word for program. it is a list of instructions |
| Operating system (os) | tells the programs what to do |
| BIOS | little alarm clock in computer (turns it on) |
| motherboard | hold it all together |
| CPU central processing unit | serving as the brain of the computer. gets very hot w/ ot fan |
| ROM | read only memory (only reads) |
| RAM | random access memory (reads and writes) |
| power supply | gives electricity to the computer |
| modem | connects computers to eachother |
| port | hardwarwe plugs into it like keyboard or mouse |
| video cord | allows graphics to be displayed on the monitor |
| power plug | used to provide in the computer and out to the monitor |
| parallel port | an electrical connector that is used to send info on wires at the same time to a printer |
| serial port | used to connect older or specialized devices. sends parts of a message, examples: barcode scanner. |
| network interface cars (nic)(ethernet) | a cable connection |
| universal serial bus (usb) | external bus that transfers MBPS |