计算机介绍英文版ppt
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➢ Computers are everywhere
p. 5 Fig. 1-1
-
Next
3
What Is a Computer?
How is a computer defined?
➢ Electronic device operating under the control of instructions stored in its own memory
Storage media
Physical material on which data, instructions, and information are stored
Storage device
Records and retrieves items to and from a storage medium
Teacher: bai yan E-mail:baiyan1@
Chapter 1: Introduction to Computers
-
1
Chapter 1 Objectives
Recognize the importance of computer literacy
Define the term computer and identify its components
p. 8 Fig. 1-3
-
Next
7
The Components of a Computer
What is the system unit?
➢ Box-like case containing electronic components used to process data
p. 8 Fig. 1-3
What is an input device?
➢ Hardware used to enter data and instructions
Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Input Devices below Chapter 1
p. 7 Fig. 1-3
-
Next
6
The Components of a Computer
What is an output device?
➢ Hardware that conveys information to a user
Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Output Devices below Chapter 1
Discuss various computer applications in society
-
Next
2
A World of Computers
What is computer literacy?
➢ Knowledge and understanding of computers and their uses
Explain why a computer is a powerful tool
Recognize the purpose of a network
Discuss the uses of the Internet and the World Wide Web
Distinguish between installing and running a program
-
Next
4
What Is a Computer?
What is the information processing cycle?
➢ Input ➢ Process ➢ Output ➢ Storage ➢ Communication
p. 6 Fig. 1-2
-
Next
5
The Components of a Computer
What is a floppy disk?
➢ Thin, circular, flexible disk enclosed in rigid plastic shell
Accepts data
Raw facts, figures, and symbols
Processes data into information
Data that is organized, meaningful, and useful
Produces and stores results
p. 6
-
Next
8
The Components of a Computer
What are two main components on the motherboard?
Central Processing Unit (CPU)
Also called a processor Carries out instructions that tell computer what to do
Memory
Temporary holding place for data and instructions
p. 8
-
Next
9
The Components of a Computer
What is storage?
➢ Holds data, instructions, and information for future use
p. 8
-
Next
10
The Components of a Computer
What is storage media?
Portable, thin memory cards used in:
Digital cameras
Handheld computers
Hale Waihona Puke p. 8-Next
11
The Components of a Computer
Identify the types of software
Describe the categories of computers
Determine how the elements of an information system interact
Identify the types of computer users
p. 5 Fig. 1-1
-
Next
3
What Is a Computer?
How is a computer defined?
➢ Electronic device operating under the control of instructions stored in its own memory
Storage media
Physical material on which data, instructions, and information are stored
Storage device
Records and retrieves items to and from a storage medium
Teacher: bai yan E-mail:baiyan1@
Chapter 1: Introduction to Computers
-
1
Chapter 1 Objectives
Recognize the importance of computer literacy
Define the term computer and identify its components
p. 8 Fig. 1-3
-
Next
7
The Components of a Computer
What is the system unit?
➢ Box-like case containing electronic components used to process data
p. 8 Fig. 1-3
What is an input device?
➢ Hardware used to enter data and instructions
Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Input Devices below Chapter 1
p. 7 Fig. 1-3
-
Next
6
The Components of a Computer
What is an output device?
➢ Hardware that conveys information to a user
Click to view Web Link, click Chapter 1, Click Web Link from left navigation, then click Output Devices below Chapter 1
Discuss various computer applications in society
-
Next
2
A World of Computers
What is computer literacy?
➢ Knowledge and understanding of computers and their uses
Explain why a computer is a powerful tool
Recognize the purpose of a network
Discuss the uses of the Internet and the World Wide Web
Distinguish between installing and running a program
-
Next
4
What Is a Computer?
What is the information processing cycle?
➢ Input ➢ Process ➢ Output ➢ Storage ➢ Communication
p. 6 Fig. 1-2
-
Next
5
The Components of a Computer
What is a floppy disk?
➢ Thin, circular, flexible disk enclosed in rigid plastic shell
Accepts data
Raw facts, figures, and symbols
Processes data into information
Data that is organized, meaningful, and useful
Produces and stores results
p. 6
-
Next
8
The Components of a Computer
What are two main components on the motherboard?
Central Processing Unit (CPU)
Also called a processor Carries out instructions that tell computer what to do
Memory
Temporary holding place for data and instructions
p. 8
-
Next
9
The Components of a Computer
What is storage?
➢ Holds data, instructions, and information for future use
p. 8
-
Next
10
The Components of a Computer
What is storage media?
Portable, thin memory cards used in:
Digital cameras
Handheld computers
Hale Waihona Puke p. 8-Next
11
The Components of a Computer
Identify the types of software
Describe the categories of computers
Determine how the elements of an information system interact
Identify the types of computer users