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Glossary for Computer Concepts: digital-technology

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ASCII: American Standard Code for Information Interchange is digital representation for of all the characters on a computer keyboard
binary: base 2 has digits 0 and 1
bit: A Bit: Binary Digit can have one of two values, usually represented as 0 or 1.
byte: a group of eight bits. One byte can represent any key on a keyboard.
cache: volatile internal memory optimized for speed.
computer: A digital electronics device that combines hardware and software to accept the input of data and then process and store the data to produce some useful output.
cpu: Central Processing Unit: sometimes refered to as the heart of the computer.
decimal: The number system used by humans: base 10 has digits 0 1 2 3 4 5 6 7 8 9
digital literacy: Digital literacy refers to an understanding of how computers represent different types of data with digits and how the usefulness of that representation assists people in leading productive lives.
digitize: transform information into a digital representation.
ecosystem: Different types of devices are designed to work together.
hardware: the tangible parts of the computer that take up physical space.
hexadecimal: A number system: base 16 has digits 0 1 2 3 4 5 6 7 8 9 A B C D E F
input: anything that a computer can collect and store.
media: hard drives, DVDs, magnetic tape are slower but are not volatile.
OCR: identifies the text in an image and transforms it to ASCII representation.
octal: A number system: base 8 has digits 0 1 2 3 4 5 6 7
output: the results of the processing
pc: General-purpose computer designed to meet the many computing needs of one individual.
platform: Describes a computer’s architecture in terms of hardware and software
RAM: Random Access Memory: volatile memory optimized for speed.
register: temporary storage (memory) for data that is directly accessible to the central processing unit
server: A powerful computer that often utilizes many processors to provide services to many users simultaneously over a network.
software: the electronic instructions that tell the computer what to do.
supercomputer: the most powerful type of computer, often utilizing thousands or even tens of thousands of processors to solve the world’s most difficult problems.
wearables: clothing and accessories that incorporate digital technologies. They include smartwatches, bracelets, and glasses.
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