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