Computer Notes Chapter 1 Flashcards
(24 cards)
What basic operations do all computers perform
- input
- output
- process
- storage
Why do we use a computer?
Computer derives its power from its ability to perform information processing cycle with amazing speed, reliability, and accuracy
Input devices
- camera
- keyboard
- mouse
- speaker
Output devices
- computer screen
- speaker
Storage device
- system unit
- optical disc device
- hard disc drive
Different types of computers
- personal computer
- mobile computer
- mobile device
Desktop computer ( sits in one place)
Personal computer
Laptop (can move)
Mobile computer
IPad & IPhone (hold in hand)
Mobile device
Case that contains electric components of the computer used to process data
System unit
The main circuit board of their system unit
Motherboard
Consists of programs that control the operations of the computer and its devices
System software
A set of programs that coordinates all the activities among computer hardware devices
Operating systems
Consists of programs designed to make users more productive and assist them with personal tasks
Application software
Word processing software
Microsoft word
Presentation software
Power point
Spreadsheet software
Excell
Www (world wide web)
Contains billions of documents called web pages
Can contain text, graphics, animations, audio, and video, and has built-in connections, or links, to other documents
Web page
A collection of web pages
Web site
Different types of web browsers:
- google chrome
- safari
- internet explorer
- firefox
Different types of search engines:
- yahoo
- bing
What does http:// mean
- hypertext transfer protocol : the set of rules that defines how pages transfer to the internet
Social networking:
- Snapchat
- vine
