Vocab
Representing Text & Compression
Binary
Images
Data
100
An action that causes something to happen
event
100
the action or state of being squished down or made smaller or more pressed together.
compression
100
A Base Two Number System
Binary
100
When an image becomes fuzzy and unclear.
Pixelation
100
A computer represents data as bits which is either a 0 or a ____
1
200
An extra piece of information customized for a specific need
parameter
200
A computer program is using 4 bits to represent an integer. When the program adds the decimal numbers 10 and 6, the result is 0000. What type of error occurred?
Overflow
200
What are the only two numbers you can use in binary?
0 and 1
200
What causes pixelation?
enlarging an image past its physical size
200
A base-ten number system
decimal
300
a named group of programming instructions. They are reusable abstractions that reduce the complexity of writing and maintaining programs.
function
300
Permanently removing data from the file.
Lossy compression
300
If a binary number ends with a 1, it must be...
Odd (an odd number)
300
Process for creating a digital representation of analog data by measuring the analog data at regular intervals. This allows for lossless compression.
Sampling.
300
Smooth and continuos data
analog
400
8 bits. Able to represent 256 distinct values
Byte
400
When data is not deleted but an algorithm is used to reduce the amount of data
Lossless compression
400
111 in binary equal what in decimal
7
400
Simplified representations of something more complex, details are hidden.
abstraction
400
Data that changes discreetly through a finite set of possible values
Digital data
500
A command that executes the code within a function
function call
500
a process or set of instructions to be followed in calculations or other problem-solving operations. This is the process that allows for lossless compression
alogrithm
500
The smallest unit of measured data
bit
500
Which of these images are an example of an Analog signal?
Clock or Thermometer
Both are analog
500
The binary number 1001 is equal to what in decimal?
9