S.1 Computer LiteracyMr. Leung Wing Chung

Practical Test

In the second test (in March), you will do a practical test with Microsoft Word and Microsoft Excel.

Written test will be conducted for first test and both exams.

Seating Arrangement

Please fill in your Chinese name, English name and class number when you fill in the draft seating plan.

E.g. 陳大文 (1)Chan Tai Man

David

Computer Room Regulations

See the “Acceptable Use Policy”

How to log in computers

User name: student no. (start with S) Password: STRN (your ID in entrance

exam)

Survey

Do you have any experience on the following? Word processing? (e.g. MS Word) Spreadsheets? (e.g. MS Excel) Image processing? (e.g. Photoshop) Audio / movie processing? Homepage authoring? Using Facebook?

Survey (2)

Do you have any experience on the following? Setting up / repair computers? Writing programs?

(e.g. Visual Basic, C++, PHP, …) Database? (e.g. MS Access, SQL)

Survey (2)

Did you hear the following terms? Linux Android WIFI WEP Hash function Salt and IV (initialization vector)

1.1 HOW DOES A COMPUTER WORK?

1.1 How Does a Computer Work?Every computer operation can be divided into three

stages: input, process and output.

1.1 How Does a Computer Work?

A student working on a worksheet

Washing clothes by a washing machine

Example of ‘input process output’

1.1 How Does a Computer Work?

‘Input process output’ represents the three stages of a computer operation process.

InputEnter data andcommand into acomputer.

ProcessThe computerworks on thedata.

The computershows theprocessed results.

Output

Three stages of a computer operation process

1.2 WHAT ARE THE COMPONENTS OF A COMPUTER SYSTEM?

1.2 What are the Components of a Computer System?Hardware

• The physical part of a computer system

Software

• A sequence of instructions to control the computer system

• No physical form

1.2 What are the Components of a Computer System? Hardware

composed of input devices, a system unit, output devices

1.2 What are the Components of a Computer System? Input devices

for entering commands or data into the computer

scannermouse keyboard microphone

1.2 What are the Components of a Computer System?System unit

contains a central processing unit (CPU), circuit boards, a power supply and storage devices

works on data together with the software to produce processed results

System unit

1.2 What are the Components of a Computer System? Output device

The processed result can be displayed to users by different output devices.

Speakers

printermonitor

Software Software can be classified into two types: system

software and application software.

1.2 What are the Components of a Computer System?

System software manages the operations of computer hardware helps us operate the computer system easily controls and facilitates the execution of the application

software

Macintosh Operating SystemMicrosoft Windows XP

1.2 What are the Components of a Computer System?

Application software carries out specific tasks for the user application software cannot be run on a computer

system without the presence of an operating system

1.2 What are the Components of a Computer System?

Relationship between software and hardware

1.2 What are the Components of a Computer System?

1.2 What are the Components of a Computer System?

Type of application software

Function Example

Word processor Create, edit, format, save and print documents.

Microsoft Word

Spreadsheet • Perform calculation and data manipulation.

• Create charts.

Microsoft Excel

Type of application software

Function Example

Presentation software Create presentations and slide shows.

Microsoft PowerPoint

Image editing software Edit photos and graphics.

Ulead Photolmpact

1.2 What are the Components of a Computer System?

Type of application software

Function Example

Communication software

Exchange messages between different computers.

Microsoft Outlook

1.2 What are the Components of a Computer System?