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Criado por johnrclark12
quase 10 anos atrás
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Questão | Responda |
Abstraction | A model of a complex system that includes only the details essential to the viewer |
Computer Hardware | The physical elements of a computing system |
Computer Software | The programs that provide the instructions that a computer executes |
Computing System | Computer hardware, software, and data, which interact to solve problems |
Base | The foundational value of a number system, which dictates the number of digits and the value of the digit positions |
Binary Digit | A digit in the binary number system (0 or 1) |
Bit | Binary Digit |
Byte | 8 Binary Digits |
Integer | A natural number, a negative of a natural number, or zero |
Natural Number | The number 0 and any number you get by repeatedly adding 1 to it |
Negative Number | A value less than 0, with a sign opposite to its positive counterpart |
Word | A group of one or more bytes; the number of bits in a word is the word length of the computer |
Analog Data | A continuous representation of data |
Character Set | A list of the characters and the codes used to represent each one |
Compression Ratio | Size of compressed data divided by size of uncompressed data |
Digital Data | A discrete representation of data |
Floating Point | A representation of a real number that keeps track of the sign, mantissa, and the exponent |
Huffman Encoding | Using a variable-length binary string to represent a character so that frequently used characters have short codes |
Keyword Encoding | Replacing a frequently used word with a single character |
Lossless Compression | A data compression technique in which there is no loss if information |
Lossy Compression | A data compression technique in which there is a loss of information |
Overflow | The condition that occurs when the results of a calculation are too large to represent in a given machine |
Pulse-Code Modulation | Variation in a signal that jumps sharply between two extremes |
Radix Point | The dot that separates the whole part from the fractional part in a real number in any base |
Raster-Graphics Format | Storing image information pixel by pixel (.jpeg, .png, .gif) |
Run-Length Encoding | Replacing a long series of repeated characters with a count of the repetition |
Signed-Magnitude Representation | Number representation in which the sign represents the ordering of the number (negative and positive) and the value represents the magnitude |
Spatial Compression | Movie compression technique based on the same compression techniques used for still images |
Ten's Complement | A representation of negative numbers, such as that the negative of "I" is 10 raised to "k" minus "I" |
Vector Graphics | Representation of an image in terms of lines and shapes |
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