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key Words: Binary and Data types
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Terms in this set (19)
Binary
The number system used by computers that uses 1s and 0s to represent all numbers.
bit
A single binary digit such as 0 or 1.
byte
A unit of storage that consists of 8 bits.
check digit
A digit used to check if a number has been inputted correctly into a computer system.
denary
A number system that uses 10 different symbols 0 - 9 to represent numbers.
gigabyte
A unit of storage that is equal to 1024 megabytes.
hexadecimal
A number system that uses 16 different symbols 0 - F to represent numbers.
kilobyte
A unit of storage that is equal to 1024 bytes.
megabyte
A unit of storage that is equal to 1024 kilobytes.
nibble
A unit of storage that is equal to four bits.
petabyte
A unit of storage that is equal to 1024 terabytes.
terabyte
A unit of storage that is equal to 1024 gigabytes.
Boolean
A data type where values can only be one of two things: TRUE / FALSE or YES /NO.
casting
Changing the data type of a variable from string to integer.
data types
String, integer, real or Boolean are all?
integer
A data type for a whole number.
real
A data type for numbers with a decimal point. Sometimes called a float.
record
A single row of data in a database table.
string
A data type for text - a collection of keyboard characters.
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