AP Computer Science Principles Unit 1 Test latest questions and answers all are correct graded A+

________ 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. - Answer-Data ____________refers to the form in which data is stored, processed, and transmitted - Answer-Data Representation the process of converting text, numbers, sound, photos, and video into data that can be processed by digital devices - Answer-Digitization 0s and 1s used to represent digital data - Answer-binary digits 0 or 1 used in digital representation of data - Answer-bit a named collection of data that exits on a storage medium, such as a hard disk, CD, DVD, or flash drive - Answer-digital file consists of numbers that can be used in arithmetic operations - Answer-numeric data binary number system has only two digits: - Answer-0 & 1 composed of letters, symbols, and numerals that are not used in calculations - Answer-character data examples of character data - Answer-name, address, and hair color another name for character data - Answer-text How many bits does ASCII require for each character? - Answer-7 bitsuppercase A in ASCII - Answer-1000001 How many bits does extended ASCII require for each character? - Answer-8 bits Extended ASCII provides code for _____ characters. - Answer-256 How many bits does Unicode require for each character? - Answer-16 bits Unicode provides code for _____ characters. - Answer-65,000 Unicode is helpful for __________________. - Answer-alphabets in multiple languages ASCII codes are used for ___________ such as SSN, and phone numbers. - Answer-numerals plain unformatted text is sometimes called ______________. ends in a file name - Answer-ASCII text ASCII text files contain no _____________. - Answer-formatting Microsoft Word creates _____ iWork creates ________ - Answerbit is an abbreviation for _____ _____. - Answer-binary digit You can use a scanner to ________ a document - Answer-digitize