MID-TERM REVISION

CSC110

Chapter 1 Basic Introduction to Computing

Five components of a computer Input devices Output devices System unit Storage devices Communication devices

Network – benefits of sharing resourcesInternet and World Wide WebDifferent type of computer: personal(desktop),

mobile, servers, mainframes, supercomputer, game consoles, embedded computers.

Chapter 1 (Cont’d)

Advantages and Disadvantages of using computer

Element of information system Hardware Software Data People Procedure

Chapter 2 WWW and Internet

Connection to Internet Cable, DSL, fiber, radio signal and satellite

IP address ,Domain name, DNS(Domain name server) 72.14.207.99, www.google.com

Type of Web site Portal, News, Blog, Wiki, Online Social Network, Web

application, Entertainment, EducationalStep for Web publishing

Plan a Web site, Analyze and design a web site, Create a web site, Deploy a web site and Maintain a Web site.

Chapter 3: Software for systems

Four categories of application software Business software Graphics and Multimedia software Home/Personal/Educational Communications

System software Operating system and utility programs

Web applications

Chapter 4: System Unit Components

What is system unit?The control unit (CU) and arithmetic logic

unit (ALU)What is machine cycle?Type of memory.Type of buses.

Chapter 5: Understanding Input

Input unit Mouse, keyboard, touch screen, pen, game controllers

Voice recognition, Web cam, video conferencing.Scanners and reading devices

Optical reader Bar code reader RFID readers MICR readers Magnetic strip card reader

Biometric devices Fingerprint reader Face recognition system Voice recognition system Iris recognition system

Chapter 6: Understanding Output

Display devices: LCD monitors Plasma monitors CRT monitors

Quality of LCD screen Resolution Response time Brightness Dot pitch Contrast ratio

Printer Impact printer Not Impact printer