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Computer Fundamentals and Classification
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Computer Fundamentals and Classification

Created by
@NiftySard6198

Questions and Answers

What is a computer?

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.

Some computers sit on top of a desk or on the floor while ____?

mobile computers and mobile devices are small enough to carry.

Mobile devices such as many cell phones often are classified as ____?

Computers

Computers are a ____?

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

Through computers society has ____?

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

Why is computer literacy vital to success in today's world?

<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

What is computer literacy?

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

Computers process _______ into _______?

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

What is data?

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

What is information?

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

Computers carry out processes using ____?

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

What are instructions?

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

Software is often defined as ____?

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

What are the 5 essential elements of the information processing cycle?

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

Important hardware components of a computer include ____?

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

What is an input device?

<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

A computer keyboard contains keys you press to ____?

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

A mouse is a small handheld device that ____?

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

What is a pointer?

<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

A microphone allows you to ____?

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

A scanner converts printed material such as __________ and ________ into a form the computer can use.

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

A web cam is a _______ ________ _________ that allows you to create _____ or take ____ and store them on the computer instead of on _____ or ______.

<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

What is an output device?

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

What are 3 commonly used output devices?

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

What is the system unit?

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

What is the motherboard?

<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

What are the two main components of the motherboard?

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

What does CPU stand for?

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

What is the function of the CPU/processor?

<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

What does memory on the motherboard consist of?

<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

What does storage hold?

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

What is storage media?

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

What are examples of storage media?

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

What is a storage device?

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

Types of storage devices include ______ and /

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

Storage devices accept a ________ kind of storage media.

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

Storage devices often function as a ________ __ _____ because they transfer items from storage to memory.

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

Hard disks can be _______ or housed inside the system unit.

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

Portable hard disks are either _______ or __________.

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

What is an external hard disk?

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

What is a removable hard disk?

<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

What is a communication device?

<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

Communications occur over cables, telephone lines, cellular radio networks, _______ and other transmission media.

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

Transmission media such as __________ and _________ _________ _________ are wireless, which means they have no physical lines or wires.

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

Study Notes

Computer Fundamentals

  • A computer is an electronic device that processes data under stored instructions, managing input and output while allowing data to be saved for future use.
  • Mobile computers and devices differ in size and portability from desktop computers, allowing for greater mobility.

Computer Classification

  • Many mobile devices, such as cell phones, qualify as computers due to their processing capabilities.

Communication and Literacy

  • Computers serve as a primary medium for local and global communication, enabling instant access to worldwide information.
  • Computer literacy is crucial for success in modern society, reflecting a growing reliance on technology in daily life.

Data and Information

  • Data consists of unprocessed items, including text, numbers, and multimedia, whereas information is the processed form of data that conveys meaning.

Processing Cycle

  • Essential elements of the information processing cycle include: input, processing, output, storage, and communication.

Hardware Components

  • Important hardware components comprise input devices, output devices, the system unit, storage devices, and communication devices.
  • An input device allows entry of data and instructions into a computer, with examples including keyboards, mice, microphones, scanners, and webcams.

Output Devices

  • Output devices convey information to users, with common examples being printers, monitors, and speakers.

System Unit and Motherboard

  • The system unit houses the computer's electronic components, primarily the motherboard, which is the main circuit board containing critical components like the CPU and memory.

CPU and Memory

  • The Central Processing Unit (CPU) interprets instructions and manages basic operations of the computer.
  • Memory on the motherboard temporarily holds instructions and data that the CPU is processing.

Storage Concepts

  • Storage retains data, instructions, and information for future retrieval, with storage media being the physical medium (e.g., USB drives, hard drives) that holds this information.
  • Storage devices perform reading and writing operations on storage media, which can include specific types like drives and readers/writers.

Hard Disk Types

  • Hard disks may be internal (within the system unit) or external, with portable options available as well, such as removable hard disks.

Communication Devices

  • Communication devices enable data transmission between computers and mobile devices, utilizing various mediums including cables, telephone lines, and wireless technologies like satellites.

Wireless Transmission

  • Wireless transmission media, such as satellites and cellular radio networks, facilitate communication without physical connections.

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Description

This quiz covers essential concepts of computer fundamentals, including the classification of computers and their role in communication and information processing. It explores the differences between mobile and desktop devices, the importance of computer literacy, and the processing cycle of data and information.

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