Computer Science Semester Test Study Guid

Pixels – Small points of colored lights arranged in a grid to form a computer display
Multicast – the type of transmission of information from one sender to many receivers
Boolean Expression – Any expression that evaluates to either "true" or "false".
What:
-Keeps the action of the Control Unit and the ALU synchronized ?
– Sends a regular electric pulse to synchronize the actions of the different parts of
the CPU?
– tells the Control Unit that it is time to get the next instruction and the ALU
that it is time to begin the next calculation? – Clock Speed
Why is there no Critter constructor? – Critter extends Actor. The Actor class has a default constructor. If you do not create a constructor in a class, Java will write a default constructor for you. The Critter default constructor that Java provides will call super(), which calls the Actor default constructor. The Actor default constructor will make a blue critter that faces north.
What is response time? – Response time is how long it takes to get an answer. The expression comes from the delay between receiving a stimulus (asking a question) and producing a response (answering the question).
WAN – Network with unlimited connections world wide
<h1>…<h6> – headings, six levels
Hoax Checker thing – ¤ Check out snopes.com
¤ Check out hoaxbusters.org
¤ Contains info about
¤ Hoax emails
¤ Urban legends
¤ Fake news reports
¤ Chain Letters
exploit – the verb used to describe when software takes advantage of bugs in standard commercial software to install itself and preform its unsavory activities
Case-Based Critical Thinking QuestionsCase 4-2Mya has just surveyed 100 students to get their reaction to a new textbook she is reviewing. She has one data series that she wants to represent graphically, and she needs to display her data in a way that lets her visually compate the data values and see how much contributes to the whole. Sometimes Mya might want to see information on only specific slices. Rather than creating a new chart that includes only those selections, she can _____ an existing chart.
What are registers? – small storage area in the CPU used to store intermediate values or special data needed again immediately
system software – the set of programs that enables the computers hardware devices and application software to work together. It includes the operating system and utility programs
Server – is generally a larger machine in terms of RAM. Holds user files and OS software
Information – l'information, les données
Cаse-Bаsed Criticаl Thinking QuestiоnsCase 4-2Mya has just surveyed 100 students tо get their reactiоn to a new textbook she is reviewing. She has one data series that she wants to represent graphically, and she needs to display her data in a way that lets her visually compate the data values and see how much contributes to the whole. Sometimes Mya might want to see information on only specific slices. Rather than creating a new chart that includes only those selections, she can _____ an existing chart.
Domain Name System (DNS) – The method that the Internet uses to store domain names and their corresponding IP addresses
Recursive relationship type – relationship type whose with the same participating entity type in distinct roles (ex: supervision relationship, employee is either the superior or the supervised)
Knowledgebases are usually referenced using a ___________ or other __________and a prefix in SparQL. – URL, baseURI

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