Test Tommorow - MCO140 - Prof. J. Katainik- Notes Chapter 1

by TheLegend Thu Mar 13, 2008 1:24 am

I'm taking MCO140. I have a test tommorow on Chapters 1, 2, and 4. These are my notes for Chapter one that I got from Adam Moskovich. Thanks again, Adam!!

Computer Literacy – knowledge and understanding of computers
Computer – device that accepts and processes data to produce and store results
Data – unprocessed items – text, numbers, images, audio, video
Advantages of computer: speed, Reliability, consistency, storage, communication
Disadvantages: Privacy, Safety, Labor Force, health risk, environment
Information processing cycle – input, process, output and storage
Input Device – hardware component that can enter data and instruction to comp.
Input devices: keyboard, mouse, mike, scanner, camera
Output Device – conveys info to people
Output devices: printer, speakers, monitor
System unit – case that has electronic components used to process data by motherboard
Motherboard – 2 parts the processor and memory
Processor – interprets and carries instruction that operate comp.
Memory – store instructions waiting to be executed and data needed, keeps it temporarily
Storage media – USB, CD’S to store data
Communications device – enables computer to send and receive data
Network – collection of computers and devices connected together.
Internet – worldwide connection of networks
Web – service of internet that contains billions of documents
Blog – informal website consisting of articles in diary or journal form
Podcast – recorded audio stored on a website that can be downloaded
Software – program, instructions that tell computer what to and how to
Graphical User Interface(GUI) – interact with software via text, graphics and icons
System Software – programs that control operations of computer and its devices
Operating system – set of programs that coordinates all activities of comp.
Utility programs – allows users to perform maintenance type tasks
Application Software – program to make users more productive and aid personal tasks
Programmer – develops software or writes the instructions
Game Console – mobile computing device designed for video games
Server – controls access to the hardware, software and provides central storage area
Mainframe – large, expensive powerful comp that can handle thousands of users
Supercomputer – fastest most powerful computer
Computer aided manufacturing(CAM) – use of computers to assist with manufacturing process such as fabrication and assembly

Good Luck People!!!