AP Computer Science Principles Unit 1
Test With 100% Correct Answers
Data - correct 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 - correct answer-____________refers to the form in which data is
stored, processed, and transmitted
Digitization - correct answer-the process of converting text, numbers, sound, photos,
and video into data that can be processed by digital devices
binary digits - correct answer-0s and 1s used to represent digital data
bit - correct answer-0 or 1 used in digital representation of data
digital file - correct answer-a named collection of data that exits on a storage medium,
such as a hard disk, CD, DVD, or flash drive
numeric data - correct answer-consists of numbers that can be used in arithmetic
operations
0 & 1 - correct answer-binary number system has only two digits:
character data - correct answer-composed of letters, symbols, and numerals that are
not used in calculations
name, address, and hair color - correct answer-examples of character data
text - correct answer-another name for character data
7 bits - correct answer-How many bits does ASCII require for each character?
1000001 - correct answer-uppercase A in ASCII
8 bits - correct answer-How many bits does extended ASCII require for each character?
256 - correct answer-Extended ASCII provides code for _____ characters.
16 bits - correct answer-How many bits does Unicode require for each character?
65,000 - correct answer-Unicode provides code for _____ characters.
Test With 100% Correct Answers
Data - correct 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 - correct answer-____________refers to the form in which data is
stored, processed, and transmitted
Digitization - correct answer-the process of converting text, numbers, sound, photos,
and video into data that can be processed by digital devices
binary digits - correct answer-0s and 1s used to represent digital data
bit - correct answer-0 or 1 used in digital representation of data
digital file - correct answer-a named collection of data that exits on a storage medium,
such as a hard disk, CD, DVD, or flash drive
numeric data - correct answer-consists of numbers that can be used in arithmetic
operations
0 & 1 - correct answer-binary number system has only two digits:
character data - correct answer-composed of letters, symbols, and numerals that are
not used in calculations
name, address, and hair color - correct answer-examples of character data
text - correct answer-another name for character data
7 bits - correct answer-How many bits does ASCII require for each character?
1000001 - correct answer-uppercase A in ASCII
8 bits - correct answer-How many bits does extended ASCII require for each character?
256 - correct answer-Extended ASCII provides code for _____ characters.
16 bits - correct answer-How many bits does Unicode require for each character?
65,000 - correct answer-Unicode provides code for _____ characters.
