Computer Fundamentals and Classification

A computer is an electronic device that operates under instructions stored in its own memory. It can accept data, process data under specific instructions, and store the data for future use.

mobile computers and mobile devices are small enough to carry.

Computers

<p>primary means of local and global communication</p> Signup and view all the answers

<p>instant access to information from around the globe.</p> Signup and view all the answers

<p>Computer literacy or digital literacy is vital in today's society as computers are becoming more and more part of everyday life.</p> Signup and view all the answers

<p>Computer literacy involves having a current understanding of computers and how they function.</p> Signup and view all the answers

<p>data (input) into information (output)</p> Signup and view all the answers

<p>Data is a collection of unprocessed items, such as text, numbers, images, audio, and video.</p> Signup and view all the answers

<p>Information is processed data that conveys meaning to users.</p> Signup and view all the answers

<p>Instructions</p> Signup and view all the answers

<p>Instructions are steps that tell the computer how to perform a particular task.</p> Signup and view all the answers

<p>A collection of related instructions organized for a common purpose.</p> Signup and view all the answers

<p>Input, process, output, storage, and communication.</p> Signup and view all the answers

<p>Input devices, output devices, system unit, storage devices, and communication devices.</p> Signup and view all the answers

<p>An input device is any hardware component that allows you to enter data and instructions into a computer.</p> Signup and view all the answers

<p>enter data into a computer.</p> Signup and view all the answers

<p>allows users to control the movement of the pointer.</p> Signup and view all the answers

<p>A pointer is a small symbol on the screen that allows you to make selections from the screen.</p> Signup and view all the answers

<p>speak into the computer.</p> Signup and view all the answers

<p>text and pictures</p> Signup and view all the answers

<p>digital video camera that allows you to create movies or take pictures and store them on the computer instead of on tape or film.</p> Signup and view all the answers

<p>An output device is any hardware component that conveys information to one or more people.</p> Signup and view all the answers

<p>A printer, a monitor, and speakers.</p> Signup and view all the answers

<p>The system unit is a case used to enclose the electronic components of the computer.</p> Signup and view all the answers

<p>The motherboard is the main circuit board of the system unit which has some electronic components attached to it and others built into it.</p> Signup and view all the answers

<p>The processor also called the CPU and memory.</p> Signup and view all the answers

<p>Central processing unit.</p> Signup and view all the answers

<p>The CPU/processor is the electronic component that interprets and carries out the basic instructions that operate the computer.</p> Signup and view all the answers

<p>Memory consists of electronic components that store instructions waiting to be executed. It also stores data needed by the instructions.</p> Signup and view all the answers

<p>Storage holds data, instructions, and information for future use.</p> Signup and view all the answers

<p>Storage media is what computers keep instructions and information on.</p> Signup and view all the answers

<p>Storage media includes USB flash drives, hard drives, optical drives (CD - compact disk), and memory cards.</p> Signup and view all the answers

<p>A storage device records (writes) and/or retrieves (reads) items to and from storage media.</p> Signup and view all the answers

<p>drives and readers/writers</p> Signup and view all the answers

<p>Specific</p> Signup and view all the answers

<p>source of input</p> Signup and view all the answers

<p>portable</p> Signup and view all the answers

<p>external or removable</p> Signup and view all the answers

<p>An external hard disk is a separate freestanding unit.</p> Signup and view all the answers

<p>A hard disk that you can insert and remove from the computer or a device connected to the computer.</p> Signup and view all the answers

<p>A hardware component that enables a computer to send (transmit) and receive data, instructions, and information to and from one or more computers or mobile devices.</p> Signup and view all the answers

<p>satellites</p> Signup and view all the answers

<p>Satellites and cellular radio networks</p> Signup and view all the answers