Computer concepts Unit A

software

a computer program that tells the computer how to perform tasks

portable computer

a computer small enough to be carried around

keyboard, mouse, touch screen

three examples of an input device

sound system

made up of speakers and a sound card

hackers

people that want to steal or damage your data or assume your identity

monitors, printers, speakers

Three examples of an output device

printers, media players, digital cameras

Three examples of peripheral devices

word processing software, antivirus software, apps

Three examples of software

false, hardware

True or false: Peripheral device refers to the electronic and mechanical parts of a computer.

accept input, process data, store data, produce output

What are the four basic functions a computer performs?

hypertext transfer protocol

What does http stand for?

nothing

What is the difference between a notebook computer and a laptop computer?

mouse

a common input device designed to move and select onscreen graphical objects and controls

Internet Service Provider

a company that provides the service of connecting the router to the Internet

peripheral device

a component or equipment such as a printer or scanner that expands a computers input, output, or storage capabilities

computer system

a computer and all of the input, output,and storage devices that are connected to it

LAN (local area network)

a computer network that is located within a limited geographical area

desktop computer

a computer small enough to fit on a desk, but too big to carry around

supercomputer

a computer that tackles tasks that would not be practical for other computers, such as breaking codes, and modeling worldwide weather systems

output device

a device that displays, prints, or transmits the results of processing from the computer memory.

input device

a device that gathers input and transforms it into a series of electronic signals for the computer

modem

a device that sends and receives data to and from computers over cable, satellite, or telephone lines

application software

a general term used to classify the programs that help you use the computer to carry about tasks

Web site

a group of web pages on a related topic that usually include a main page that acts as the doorway to the rest of the pages

mainframe computer

a large and expensive computer capable of simultaneously processing data for hundreds or thousands of users

home page

a main page that acts as a doorway to the rest of the Web site pages

Email (electronic mail)

a message sent electronically over the internet

cloud computing

a method of offering internet accessible computing services ranging from office productivity applications to complex corporate data processing

personal computer (PC)

a microcomputer designed for use by an individual user for applications such as Internet browsing, graphics, email, word process: The term PC is often used to refer to these

file

a named collection of data that exists on a storage medium

digital media player

a peripheral device that can be attached to a personal computer system to transfer and play music and photo files ex. Ipod

digital camera

a peripheral input device that records photographic images in a digital format

blog

a personal journal focusing on a single topic or a variety of topics; information that is usually available to the public

handheld computer

a pocket-sized computer designed to run on its own power supply and provide users with basic applications

tablet computer

a portable computing device featuring a touch sensitive screen that can be used as a writing or drawing pad

file extension

a set of letter and/or numbers added to the end of a filename, followed by a period that helps to identify the file contents or file type

file name

a set of letters and numbers that identifies a file; consists of a name followed by a file extension

notebook computer

a small, lightweight computer that is portable and usually runs on batteries; also called a laptop computer; has a clam-shell design

Web applications

a software that you access through a web browser

password

a special set of characters used to restrict access to a computer or network

USB flash drive

a storage device that plugs directly into a USB port on the computer system unit

laptop computer

a type of portable computer that is sometimes called a notebook computer,it is light enough to be carried around

malware

a type of software that can do harm to your computer data

URL

a unique address that indicates the computer on which it is stored

Voice over IP

a way to use the internet to talk to people in real time

search site

a web site that provides a variety of tools to help you find information on the web

internet forum

a web site where you can post comments to discussion threads

workstation

powerful desktop computers designed for specialized tasks that require a lot of processing speed, such as medical imaging, full motion video graphics, and computer aided design

netbook

scaled down versions of a standard clam shell style notebook computer; offers more portability than a standard notebook computer

apps/mobile apps

software programs designed to run on mobile devices that you download from an online store

optical drives

storage devices that work with storage media such as CDs

digital technology

technologies that work using digital electronics such as computers, communication networks, the Web, and digitization

central processing unit

the "brain" of the computer

storage

the area in a computer that holds data permanently when it is not immediately used for processing

tower

the case for a vertical system unit, which can be placed on a desk, floor, or in a space beneath the desk

system unit

the case or box that contains the computers power supply, storage devices, main circuit board, processor, and memory: also called a tower

memory

the computer circuitry that holds data waiting to be processed, stored, or output

hardware

the electronic and mechanical devices in a computer system

computer system

the hardware, peripheral device, and software working together to input data, store data, process data, and produce output

input

the information that is conveyed to a computer, which can be supplied by a person, the environment, or by another computer

Internet

the largest computer network in the world

display device

the main output device for a computer; presents visual information on a screen such as a computer monitor

central processing unit (CPU)

the main processing unit in a computer, consisting of circuits that processes data

operating system

the master controller for all the activities that take place within a computer system

storage medium

the physical material used to store computer data, such as a flash drive

monitor

the primary output device; separate part connected to the system unit

digitization

the process of converting text, numbers, sounds, photos, and video into data that can be processed by a computer

browser

allows you to view Web pages on your computer

microprocessor

also called a processor, an integrated circuit that contains the circuitry for processing data

email account

an account though an email provider that allows you to send an email

computer

an electronic device that accepts input, processes data, stores data, and produces output

processor

an integrated circuit that contains the circuitry for processing data

digital revolution

an ongoing process of social, political, and economic change brought about by digital technology, such as computers and the Internet

social networking

an online networking activity that allows registered members to communicate with others

printer

an output device that produces computer generated text, photographs, or graphic images on paper

email attachment

any file that travels within an email message

keyword

any word or phrase that you type to describe the information that you are trying to find

spam filter

automatically routes advertisements and other junk mail to either the deleted items or a spam folder maintained by your email provider

storage device

both an input and an output device used to store data on a computer or to share data among computers

router

connects to your computer and the Internet allowing access to the Internet

chat group

consists of several people who connect to the Internet and communicate in real time by typing notes to each other

computer program

detailed, step by step instructions that tell a computer how to solve a problem or carry out a task

computer platform

determines the hardware and software of the computer system

Graphical User Interface

displays on screen icons, menus, buttons, and other geographical controls

internet

example of a server

Bcc

feature that allows you to blind copy your email to people without revealing to the send to and Cc recipients who also got the message

Cc

feature that allows you to include people you want to read your email but that you don't want to respond to the message

system software

helps the computer system monitor itself in order to function efficiently

email message

includes the recipients email address, the address of anyone who is receiving a copy of the message, the message subject, the body, and the name of any file attachment

output

the results produced by a computer (reports, graphs, documents, pictures,and music)

digital convergence

the trend to blend several technologies that have distinct functionalities into a single product, such as smartphones

email address

the unique address for each mailbox on the internet

true

true or false It is possible to have real time conversations with people using the Internet

true

true or false Linux OS is usually used as an alternative to the Windows OS

false, click the shut down command

true or false To turn off the computer, simply press the power switch

false

true or false When typing a URL, you must type http://

true

true or false You must be connected to the internet to send and receive email.

true

true or false You should think of your email as a postcard, rather than a letter

true

true or false hackers are people who want to steal or damage your data or assume your identity

false

true or false video game console is generally referred to as a personal computer (PC)

text message

typed messages you send when using your smartphone or mobile device

spam

unwanted electronic junk mail that arrives in your email inbox

keyboard

used to enter text and numbers, primary input device

hard disk drive

usually mounted inside the system unit; the primary storage device

true

true or false A platform consists of the underlying hardware and software of the computer system.

false

true or false A word you can find in the dictionary would make a good password.

false

true or false An operating system is a type of application software

false

true or false An organization that owns an email system cannot be held responsible for the consequences of actions related to the contents of email messages on that system

false

true or false It is difficult to get inside a tower case to swap parts

physical size, cost

2 differences between desktop and portable computers

processor, operating system

2 most important factors that define a computer's platform

filename. file extension

2 parts to a file name

user id, @ symbol, email provider

3 parts of an email address

system unit, display device. keyboard, mouse

4 basic parts of a computer system

server

A _______ is a computer that serves computers on a network

keyboard

The primary input device is the ____________.

hard drive

The primary storage device is the ____________.

reply

a button that allows you to answer only to the person who sent an email message

reply all

a button that allows you to respond and have it sent to everyone who received the original email message

Web cam

a camera that allows you to capture video images using your computer

Wiki

a collaborative website that allows people to add to and modify material posted by others

Web

a collection of web pages that one interconnected through the use of hypertext or link

user ID

a combination of letters and numbers that identifies a user on a computer