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D684(WGU) - Introduction to Computer Science Questions and Answers (100% Correct Answers) Already Graded A+

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D684(WGU) - Introduction to Computer
Science Questions and Answers (100%
Correct Answers) Already Graded A+
analog data[ ANS: ]data represented in a continuous and
variable form

American Standard Code for Information Interchange (ASCII)[
ANS: ]a standard encoding system for text characters that uses
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numeric values to represent letters, numbers, and symbols

bandwidth[ ANS: ]the maximum rate of data transfer across a
network or communication channel, usually measured in bits per
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second

binary[ ANS: ]a numerical system that uses only two digits, zero
and one, to represent data in computing

Boolean expression[ ANS: ]a logical statement that can only be
true or false and uses operators like AND, OR, and NOT

character[ ANS: ]a single letter, digit, or symbol used in writing text

character set[ ANS: ]a collection of characters that a computer
can recognize and process, like ASCII or Unicode

compression ratio[ ANS: ]the ratio of the original data size to the
compressed data size, indicating how much the data has been
reduced

control structure[ ANS: ]constructs in programming that control the
flow of execution, such as loops and conditional statements

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data[ ANS: ]raw facts and figures that can be processed to
produce meaningful information

data compression[ ANS: ]the process of reducing the size of data
to save space or transmission time

data types[ ANS: ]categories of data that define what kind of
value can be stored, like integers, floats, and strings, and how it
can be used

declaration[ ANS: ]a statement in programming that specifies the
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name and type of a variable or function without assigning a value

digital data[ ANS: ]data represented using discrete binary values
(zeroes and ones)
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floating point[ ANS: ]a way to represent real numbers that can
have fractional parts using a format that includes a base and an
exponent

Huffman encoding[ ANS: ]a compression technique that uses
variable-length codes for data representation based on
frequency of occurrence

information[ ANS: ]data that have been processed or organized in
a meaningful way to be useful

integer[ ANS: ]a whole number

keyword encoding[ ANS: ]a method of data compression that
replaces frequently occurring patterns with shorter codes

lossless[ ANS: ]a type of data compression where no information is
lost and the original data can be perfectly reconstructed

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lossy[ ANS: ]a type of data compression that reduces file size by
permanently eliminating some information, which may affect
quality

numeric[ ANS: ]any value that is a number

overflow[ ANS: ]a condition in which a calculation exceeds the
maximum value that can be represented within a given number
of bits

pulse-code modulation (PCM)[ ANS: ]a method used to digitally
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represent analog signals

radix point[ ANS: ]the decimal point in a number system that
indicates the separation between integer and fractional parts
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real[ ANS: ]a data type representing numbers that can have
fractional parts, often called floating-point numbers

reclocking[ ANS: ]the process of refreshing the timing signals in
digital data to ensure accuracy and synchronization

run-length encoding[ ANS: ]a simple compression technique that
replaces sequences of repeated characters with a single
character and a count

scientific notation[ ANS: ]a method of representing very large or
very small numbers by using powers of 10

signed-magnitude representation[ ANS: ]a way of encoding
positive and negative numbers where one bit represents the sign
and the remaining bits represent the magnitude

string[ ANS: ]a sequence of characters treated as a single data
element and used for text manipulation

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strong typing[ ANS: ]a feature in programming languages where
each variable is explicitly declared to be of a specific type,
reducing errors

ten's complement[ ANS: ]a mathematical method for representing
negative numbers in a decimal system

Unicode[ ANS: ]a universal character set that includes characters
from virtually all writing systems, allowing for consistent encoding
and representation of text globally
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alphanumeric values[ ANS: ]characters that include both letters
(A-Z) and numbers (0-9)

assignment operator[ ANS: ]a symbol used to assign a value to a
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variable, typically =

assignment statement[ ANS: ]a line of code that assigns a value to
a variable, like x = 5

binary operator[ ANS: ]an operator that takes two operands, such
as +, -, *, and /

camel casing[ ANS: ]a naming convention where the first letter is
lowercase and each subsequent word starts with an uppercase
letter, like myVariableName

garbage[ ANS: ]unused or leftover data in memory that the
program no longer needs or references

Hungarian notation[ ANS: ]a naming convention where the name
of a variable starts with a prefix indicating its type, like strName for
a string variable

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