Number Bases
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| computer | an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a program.
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| data | the numbers a computer works with to convert information
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| information | words, numbers, and pictures that we can understand
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| binary | system of numerical notation with a base of 2
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| decimal | system of numerical notation with a base of 10
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| octal | system of numerical notation with a base of 8
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| hexadecimal | system of numerical notation with a base of 16
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| ASCII | (American Standard Code for Information Interchange) format where each alphabetic, numeric, or special character is represented with a 7-bit binary number
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| Unicode | an international encoding standard for use with different languages and scripts, by which each letter, digit, or symbol is assigned a unique numeric value that applies across different platforms and programs.
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| data type | information with values having predefined characteristics. Examples: integer, floating point number, character, string, and boolean.
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| underflow | the condition that occurs when the lower limit of a data type is exceeded. No warnings given.
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| overflow | the condition that occurs when the upper limit of a data type is exceeded. No warnings given.
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| char(character) | data type with the size of exactly one byte
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| bit | smallest unit of data; has a single binary value, either 0 or 1.
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| byte | a unit of computer information that is equal to eight bits
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| nibble | 4 bits or half of a byte
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
shoemaker
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