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AP Computer Science Unit 1 Assessment Review Exam Questions and Answers
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AP Computer Science Unit 1 Assessment Review Exam
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AP Computer Science Unit 1 Assessment Review ExamBits
how a computer represents data - as either a 0 or a 1
Abstraction
It is a simplified version of something technical, such as a function or an object in a program. The goal of "abstracting" data is to reduce complexity by removing unnecessary information.
Digital representation
A copy of something readable by a device such as a computer
analog
Describes a continuous measurement or transmission of a signal.
digital
How computers store and process data using ones and zeros.
overflow error
A calculation produces a result that is greater than the computer can deal with or store with the available number of bits
Convert 10 to Binary
1010 (use your digital flippy do- see Schoology files)
Binary
The binary number system is base 2, using only bits 0 and 1.
decimal
based on the number 10
Convert Decimal to Binary
Use Flippy Do (See Schoology files for examples)
Binary numbers (base-2)
A base-2 number system that represents numeric values using two different symbols: 1 and 0. Each symbol represents one bit.
binary number system
In our everyday lives we use a decimal numbering system containing 10 digits, 0 through 9. Computers use a _______________ which contains only 2 numbers, 0 and 1, called binary digits or bits.
flippy do
128 64 32 16 8 4 2 1 0
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