Question 1

Which problem is caused most directly by the existence of two representations of zero within a computer?

Accepted Answer

A)  Incorrect results 
B)  Increased cost 
C)  Slower calculations 
D)  Unnecessary complexity 
E)  Wasted memory 
A)  Incorrect results 
B)  Increased cost 
C)  Slower calculations 
D)  Unnecessary complexity 
E)  Wasted memory

Question 2

Data _______________ is the process of reducing the amount of space needed to store a piece of data.

Accepted Answer

The answer of Data _______________ is the process of reducing...

Question 3

In which text compression technique is it invalid for a bit string that represents a character to be the prefix of any other string used to represent a character?

Accepted Answer

A)  Run-length encoding 
B)  Character set encoding 
C)  Keyword encoding 
D)  Huffman encoding 
E)  ASCII encoding 
A)  Run-length encoding 
B)  Character set encoding 
C)  Keyword encoding 
D)  Huffman encoding 
E)  ASCII encoding

Question 4

Which of the following best describes the number of characters that can be represented in the Unicode character set?

Accepted Answer

A)  256 
B)  1024 
C)  Over 10,000 
D)  Over 65,000 
E)  Over 100,000 
A)  256 
B)  1024 
C)  Over 10,000 
D)  Over 65,000 
E)  Over 100,000

Question 5

It is possible to represent four things with two bits.

Accepted Answer

A) True 
 B)False

Question 6

_______________ is the process of periodically measuring the voltage of a signal.

Accepted Answer

The answer of _______________ is the process of periodically measuring...

Question 7

What is data compression?

Accepted Answer

Reducing the amount

Question 8

Information is data that have been organized and/or processed in a useful way.

Accepted Answer

A) True 
 B)False

Question 9

The ASCII character set is an international set that represents most of the world's languages.

Accepted Answer

A) True 
 B)False

Question 10

Information is data that has been organized and/or processed in a useful way.

Accepted Answer

A) True 
 B)False

Question 11

A RGB value is made up of three values that represent the relative contributions of the primary colors red, green, and blue.

Accepted Answer

A) True 
 B)False

Which problem is caused most directly by the existence of two representations of zero within a computer?

Data _______________ is the process of reducing the amount of space needed to store a piece of data.

In which text compression technique is it invalid for a bit string that represents a character to be the prefix of any other string used to represent a character?

Which of the following best describes the number of characters that can be represented in the Unicode character set?

It is possible to represent four things with two bits.

_______________ is the process of periodically measuring the voltage of a signal.

What is data compression?

Information is data that have been organized and/or processed in a useful way.

The ASCII character set is an international set that represents most of the world's languages.

Information is data that has been organized and/or processed in a useful way.

A RGB value is made up of three values that represent the relative contributions of the primary colors red, green, and blue.

The Big Picture

Binary Values and Number Systems

Gates and Circuits

Computing Components

Low-Level Programming Languages and Pseudocode

Problem Solving and Algorithms

Abstract Data Types and Subprograms

Object-Oriented Design and High-Level Programming Languages

Operating Systems

File Systems and Directories

Information Systems

Artificial Intelligence

Simulation, Graphics, Gaming, and Other Applications

Networks

The World Wide Web

Computer Security

Limitations of Computing

broad concept of computer security and its importance in modern society.

Filters

Exam 3: Data Representation

Which problem is caused most directly by the existence of two representations of zero within a computer?

Data _______________ is the process of reducing the amount of space needed to store a piece of data.

In which text compression technique is it invalid for a bit string that represents a character to be the prefix of any other string used to represent a character?

Which of the following best describes the number of characters that can be represented in the Unicode character set?

It is possible to represent four things with two bits.

_______________ is the process of periodically measuring the voltage of a signal.

What is data compression?

Information is data that have been organized and/or processed in a useful way.

The ASCII character set is an international set that represents most of the world's languages.

Information is data that has been organized and/or processed in a useful way.

A RGB value is made up of three values that represent the relative contributions of the primary colors red, green, and blue.

The Big Picture

Binary Values and Number Systems

Gates and Circuits

Computing Components

Low-Level Programming Languages and Pseudocode

Problem Solving and Algorithms

Abstract Data Types and Subprograms

Object-Oriented Design and High-Level Programming Languages

Operating Systems

File Systems and Directories

Information Systems

Artificial Intelligence

Simulation, Graphics, Gaming, and Other Applications

Networks

The World Wide Web

Computer Security

Limitations of Computing

broad concept of computer security and its importance in modern society.

Filters