Year 9 Information and Software Technology
Redeemer Baptist School
Teacher: Murray Garth
Data from the natural world having an infinite number of possible values.
American Standard Code for Information Interchange
A number system that uses just two values, '0' and '1'.
A single binary digit, the smallest unit of storage.
A group of 8 bits. Can store a value from 0 to 255.
A standard method of storing keyboard characters and control keys as binary data values.
Random Access Memory
Random Access Memory (definition)
It is used to store data and and software that your computer uses. When computer is turned off everything in it is deleted.
Data organised or displayed to make it useful and meaningful
Raw facts without any clear meaning.There are 5 main types of it.
A process of arranging data in a set order, making it more meaningful.
The process of selecting data from a list that matches a given rule, making the data more useful.
Data from the natural world is __________ and has an infinite number of values.
The representation of information as individual pieces of data using whole numbers, rather than as a continuous stream
The process of converting from analogue data to digital data.
A single measurement of an analogue waveform expressed as a number.
A device that converts analogue light into digital data and stores it for later reproduction
A computer output component that converts digital audio data into an analogue sound wave.
101101 = 32 + 8 + 4 + 1
110101 = 32 + 16 + 4 + 1