Presentation on theme: "COMPUTER CONCEPTS Computer Information Systems. COURSE COMPETENCIES Explain the functions of computer system components. Describe the information processing."— Presentation transcript:
COURSE COMPETENCIES Explain the functions of computer system components. Describe the information processing cycle. Describe various computer input & output devices. Describe various auxiliary storage devices. Describe wireless and mobile devices. Identify basic networking components.
Laptop Small, mobile personal computer that runs on a single battery or AC/DC adapter PDA Personal Digital Assistant; used for calculations, clocks, calendars, games, Internet, email, radio, etc.; characterized by touch screens Tablet Notebook- or Slate-shaped mobile computer; touch screen operated with a stylus or digital pen Smartphone Integrates the functionality of a mobile phone with a PDA
SERVER Computer designed to process requests and deliver data to other computers over a local network or the Internet Central repository of data and various programs that are shared by other users in a network
NETWORK INTERFACE CARD (NIC) Expansion card that enables a computer to connect to a network Most computers now have built-in NICs
ROUTER Join multiple networks together Able to filter traffic by analyzing IP addresses of senders and receivers
SWITCH Joins multiple computers together within one local area network Inspects data and determines the source & destination
FIREWALL Protects a computer network from unauthorized access Also limit access to the outside from internal users