Exam (elaborations)
APCSP PRACTICE TEST 1 QUESTIONS AND ANSWERS
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APCSP PRACTICE TEST 1 QUESTIONS AND ANSWERS...
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AP COMPUTER SCIENCE PRINCIPLESUNIT 1 TEST
Data - ANSWER ________ refers to the symbols that represent people,
events, things, and ideas. Data can be a name, a number, the colors in a
photograph, or the notes in a musical composition.
Data Representation - ANSWER ____________refers to the form in
which data is stored, processed, and transmitted
Digitization - ANSWER the process of converting text, numbers, sound,
photos, and video into data that can be processed by digital devices
binary digits - ANSWER 0s and 1s used to represent digital data
bit - ANSWER 0 or 1 used in digital representation of data
digital file - ANSWER a named collection of data that exits on a storage
medium, such as a hard disk, CD, DVD, or flash drive
numeric data - ANSWER consists of numbers that can be used in
arithmetic operations
0 & 1 - ANSWER binary number system has only two digits:
character data - ANSWER composed of letters, symbols, and numerals
that are not used in calculations
name, address, and hair color - ANSWER examples of character data
text - ANSWER another name for character data
7 bits - ANSWER How many bits does ASCII require for each character?
1000001 - ANSWER uppercase A in ASCII
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