Unit 1- Digital Devices Flashcards
What is a computer?
A computer is an electronic device capable of taking an input, processing data, storing information and providing an output
Data that is input, is raw, unprocessed information
Information is data that people understand
What is a mainframe computer?
A mainframe computer is a computer with huge processing power and data storage capabilities
Built to handle enormous amounts of data and carry out complex calculations
Designed to be secure, reliable and support large volumes of simultaneous users
Where are mainframe computers commonly used?
Carry out critical tasks for large organisations in sectors such as:
-Finance
-Health
-Government etc.
What is a microprocessor?
A microprocessor is an integrated circuit (IC) that contains a central processing unit (CPU)
A microprocessor is embedded into devices to help them carry out tasks
The microprocessor is responsible for executing instructions
Where are microprocessors commonly used?
Microprocessors are used in a home to monitor and control devices such as:
-Central heating systems
-Security alarm systems
-Home entertainment system etc.
What is a desktop computer?
A desktop computer is a computer designed to stay in one place, for example on a desk
A desktop computer traditionally consists of a separate:
Monitor
Computer
Keyboard & mouse
Desktop computers are typically more powerful than mobile computers
Desktop computers are upgradable, the parts can be replaced/changed to increase performance
What are the uses of desktop computers in office and business?
word processing, financial modelling, email, video/image editing
What are the uses of desktop computers in education?
online learning, research, content creation, multi media presentations
What are the uses of desktop computers for gaming and entertainment?
online gaming, streaming music/film/tv, social media, online browsing
