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MyChapters 1 & 2
My Flashcards
| Question | Answer |
|---|---|
| What is a computer? | A programmable, electronic device that accepts data input, performs processing operations on that data, and outputs and stores the results. |
| What are some of the primary uses for a computer? | To obtain and evaluate information, to facilitate necessary on-the-job tasks, and to to communicate with others. |
| More than what percentage of all U.S. households include a personal computer? | More than 60%. |
| What do you need to access a computer network? | You need a modem or a network adapter that physically connects your computer to the network. |
| What is one of the most common online risk? | Your PC becoming infected with a malware program, such as a computer virus. |
| What can the Internet be used for? | For research, contacting friends or family, or for entertainment. |
| What are some communication devices that enable users to communicate with others over the network or the Internet? | Network Adapters and modems. |
| What is a smart card? | A smart card is as a credit-sized piece of plastic containing a chip and other circuitry into which data can be stored. |
| What is the difference between a Read-only memory and a Flash Memory? | A ROM are nonvolatile chips located on the motherhood into which data or programs have been permanently stored. |
| What is the most common device for a desktop? | A mouse. |
| What is the smallest unit of data a digital computer can recognize? | A BIT. |
| What kind of printer is standard for business documents? | A laser printer. |
| Are speakers a type of input or output device? | Output. |
| What kind of drive is designed to be very portable and small enough to fit in a pocket or to be carried on a keychain? | An USB flashdrive. |
| What is something stored on a storage medium, such as a program, document, or image? | A file. |
| Into what can you connect a keyboard, mouse, scanner, flash memory drive, printer, or other USB devices? | Into a USB PORT. |
| What is a pixel? | The smallest colorable area in an electronic image, such as a scanned document, digital photograph, or image diplayed on a display screen. |
| Are storage systems as volatile and only hold data temporarily? | No, they are nonvolatile and are used anytime you want to save a document for future use. |
| What is the largest and most well-known computer network in the world? | The Internet. |
| What does the system software allow you to do? | It is a program that allows a computer to operate collectively. |
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Capri1282
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