2025
What is computer literacy? - Correct AnswerKnowledge and understanding of
computers and their uses
What is a computer? - Correct Answera programmable electronic device that accepts
data input, performs processing operations on that data, and outputs and stores the
results.
What are the four primary functions of a computer? - Correct Answer-input data into the
computer using an input device such as a mouse, keyboard, or microphone
-processes the data using programs and devices such as RAM, CPU, graphics cards
and sound cards
-outputs the resulting information for the user to see or hear using devices such as
speaker, printer, and monitor
-stores the output for later use using devices such as a hard drive, flash drive, or cloud
servers
What is the difference between computer hardware and computer software? - Correct
Answer-The physical components of a computer system (such as the hard drive,
motherboard, RAM, CPU) are referred to as hardware.
-Software (SW) refers to the instructions (called programs, applications, or apps) that
tell computer hardware what to do.
What is the difference between systems SW and applications SW? - Correct Answer-
Systems SW are programs that are normally preinstalled on your computer when you
buy it. These programs perform tasks related to operating and managing the computer.
The most important system SW is the operating system.
-Application SW is normally purchased after you buy a computer. These programs are
designed to perform specific business, hobby, or school related tasks such as typing a
paper, playing a game, editing a photograph, or creating an invoice.
What are the six categories of computer systems? Know the characteristics of each
category. - Correct Answer-size, functionality, and price:
-embedded computers
-mobile device
-personal computer
-midrange computer, mainframe computer, and supercomputer.
What is a computer network? - Correct Answerconnects multiple computers and other
devices so that they can communicate with one another and share HW, SW, and data
What is a server computer? What is a client computer? - Correct Answer-Server
computers are faster and have more storage capacity than PCs.
, -The computers that access network resources through the network server are called
client computers.
What is the difference between the Internet and the World Wide Web (WWW)? - Correct
Answer-The Internet is millions of computers connected by thousands of networks.
-The World Wide Web is billions of Web pages that can be accessed through the
Internet.
web site - Correct AnswerA collection of related Web pages usually belonging to an
organization or individual.
home page - Correct Answerthe first page of the website the user sees when accessing
a Web site.
web browser - Correct Answeran application used to retrieve and display Web pages.
Popular browsers include Edge, Internet Explorer, Chrome, Safari, and Firefox.
IP address - Correct AnswerA numeric Internet address used to uniquely identify a
computer or other device on the Internet.
domain name - Correct AnswerA domain name is a text-based name
(www.walmart.com of a Web server on the Internet. Web servers need both IP
addresses and domain names. Client computers only need IP addresses.
TLD top-level domain - Correct Answerthe right-most part of a Web server's domain
name. It indicates the type of an organization that owns the Web site
(com,edu,gov,org,etc.).
URL uniform resource locator - Correct Answer_______ is the address of a Web page
on the World Wide Web.
Hyperlink - Correct AnswerText or an image on a Web page that is clicked to access
additional Web resources.
search site - Correct Answera Web page (such as Google, Yahoo, Dogpile) that helps
you locate what you are looking for on the Internet through the use of "keywords".
Keyword - Correct AnswerA word typed in a search box on a search site or other Web
page to locate information related to that keyword
malware - Correct Answeris a computer program designed to perform a task without the
permission or knowledge of the user.
What are the three main coding schemes for text data? How do these coding schemes
use 0s and 1s (called bits) to represent text data? - Correct Answer-EBCDIC is an 8-bit
coding system developed for mainframe computers