Exam 7: Representing Information Digitally
Exam 1: Defining Information Technology38 Questions
Exam 2: Exploring the Human-Computer Interface53 Questions
Exam 3: The Basics of Networking49 Questions
Exam 4: A Hypertext Markup Language Primer51 Questions
Exam 5: Locating Information on the World Wide Web52 Questions
Exam 6: An Introduction to Debugging32 Questions
Exam 7: Representing Information Digitally36 Questions
Exam 8: Representing Multimedia Digitally43 Questions
Exam 9: Principles of Computer Operations53 Questions
Exam 10: Algorithmic Thinking37 Questions
Exam 11: Social Implications of IT62 Questions
Exam 12: Privacy and Digital Security69 Questions
Exam 13: The Basics of Spreadsheets51 Questions
Exam 14: Advanced Spreadsheets for Planning33 Questions
Exam 15: Introduction to Database Concepts50 Questions
Exam 16: A Case Study in Database Organization38 Questions
Exam 17: Fundamental Concepts Expressed in Javascript43 Questions
Exam 18: A Javascript Program40 Questions
Exam 19: Programming Functions42 Questions
Exam 20: Iteration Principles52 Questions
Exam 21: A Case Study in Algorithmic Problem Solving36 Questions
Exam 22: Limits to Computation43 Questions
Exam 23: A Fluency Summary33 Questions
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A coding scheme that uses 8-bit symbols has ________ possible combinations .
Free
(Short Answer)
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Correct Answer:
256
________ refers to whether a number is even or odd .
Free
(Multiple Choice)
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Correct Answer:
B
________ is information that describes the properties of other information .
(Short Answer)
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A(n) ________ sequence is an ordering for a set of symbols used to sort them, such as alphabetical ordering .
(Short Answer)
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________ is a way to represent Unicode using variable-length codes .
(Short Answer)
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Which of the following places information in order by using non-digit symbols?
(Multiple Choice)
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The Hawaiian alphabet has 18 symbols . How many bits are needed to represent just these symbols?
(Multiple Choice)
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Although ASCII and its variations are widely used, ________ is a more complete representation . It uses up to four bytes to encode about 100,000 symbols .
(Short Answer)
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A key property of the Presence and Absence (PandA) representation is that it is discrete . Either a phenomenon is present or it is not; either the logic is true or false .
(True/False)
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________ is the property of binary numbers in which the number of 1-bits is even .
(Short Answer)
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The tag characters included with the content characters of the digitized Oxford English Dictionary increase the size of the file compared with plain text .
(True/False)
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