WGU D684: Introduction to Computer Science Exam Questions (Latest 2025 / 2026) and Verified Answers, 100% Guarantee Pass

WGU D684: Introduction to Computer Science

\ Exam Questions (Latest ) and Verified

Answers, 100% Guarantee Pass




1. analog data:data represented in a continuous and variable form
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2. American Standard Code for Information Interchange (ASCII): a standard
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encodingsystemfortextcharactersthatusesnumericvaluestorepresentletters,
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numbers, and symbols
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3. bandwidth:themaximumrateofdatatransferacrossanetworkorcommunica- tion
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channel, usually measured in bits per second
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4. binary:a numerical system that uses only two digits, zero and one, to represent data in
s ss ss ss ss ss ss ss ss ss ss ss ss ss ss




computing
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5. Booleanexpression:alogicalstatementthatcanonlybetrueorfalseanduses
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operators like AND, OR, and NOT
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6. character:a single letter, digit, or symbol used in writing text
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7. character set: a collection of characters that a computer can recognize and process,
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, like ASCII orUnicode compression ratio:the ratio of the original data size to the
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compressed data size, indicating how much the data has been reduced
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8. controlstructure:constructsinprogrammingthatcontroltheflowofexecution, such
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as loops and conditional statements
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9. data:rawfactsandfiguresthatcanbeprocessedtoproducemeaningfulinforma- tion
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10. data compression:the process of reducing the size ofdata tosave space or
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transmission time
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11. datatypes:categoriesofdatathatdefinewhatkindofvaluecanbestored,like
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integers, floats, and strings, and how it can be used
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12. declaration:a statementinprogrammingthatspecifiesthenameandtypeofa s ss ss ss ss ss ss ss ss ss ss ss




variable or function without assigning a value
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13. digital data:data represented using discrete binary values (zeroes and ones)
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14. floating point:a wayto representreal numbers that can have fractional parts using
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a format that includes a base and an exponent
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15. Huffmanencoding:a compressiontechniquethatusesvariable-lengthcodes for ss s ss ss ss ss ss ss ss




data representation based on frequency of occurrence
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16. information:datathathavebeenprocessedororganizedinameaningfulway to be s ss ss ss ss ss ss ss ss ss ss ss ss




useful
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17. integer:a whole number s ss ss




18. keywordencoding:a methodofdatacompressionthatreplacesfrequently ss s ss ss ss ss ss ss ss




occurring patterns with shorter codes
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19. lossless:a type of data compression where no information is lost and the s ss ss ss ss ss ss ss ss ss ss ss




original data can be perfectly reconstructed
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20. lossy:a type of data compression that reduces file size by permanently elimi- nating
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some information, which may affect quality
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, 21. numeric:any value that is a number
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