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INTRODUCTION OF COMPUTER Done by Wantina Lumu BMI9 4161181005…
INTRODUCTION
OF COMPUTER
Done by Wantina Lumu
BMI9 4161181005
PERFORMANCE
& FEATURE
TYPE OF
COMPUTER
Desktop
Laptop
Handheld
Tablet
PRODUCTIVITY
PROGRAMS
Types of productivity programs:
Word-Processing
Publishing Programs
Presentation Programs
Spreadsheet Programs
Database Programs
Graphics Programs
Communication Programs
CPU SPEED
The rate at which the CPU can perform a task, performing a numerical calculation.
MEMORY
Volatile Memory
Nonvolatile Memory
RAM
The active memory
of the computer
CHAT PROGRAMS
Allows you to send and receive messages immediately
E-MAIL MASSAGES
To send an e-mail message you must have:
An Internet connection.
An e-mail account.
The e-mail account of the person to whom you want to send an e-mail
HARD DISK
Hard disks differ in storage capacities as well as their speed of data storage and retrieval
EDUCATIONAL&ENTERTAINMENT PROGRAMS
Educational software is used in classrooms, offices, and homes
PART OF COMPUTER
OUTPUT DEVICES
Speaker
Headphone
Printer
Monitor
INPUT DEVICES
Mouse
Keyboard
Microphone
Scanner
Webcam
CPU & MEMORY
Two major CPU brands:.
Intel
AMD
Two main types of memory:
ROM
RAM
STORAGE DEVICES
Hard Disk
Flash Drive
CD-ROM
DVD-ROM
CONNECTIONS
USB
Fire-wire
Network Port
Parallel Port & Serial Port
Display Adapter
Power
MOTHERBOARD
Tiny electronic circuits & other components on it
EXPANSION CARDS
Video Card
Sound Card
Network Interface Card
COMPUTER
TERMINOLOGY
HARDWARE
Keyboard
Mouse
Motherboard
Monitor :
Hard Disk
Cables
Printer
OPERATING SYSTEM
Controls and manages the hardware connected to your computer
PROGRAMS
Programs, also called applications,
use this platform to perform tasks.
DATA
Data can be in the form of :
Text
Graphics
Audio
Video depending on the type of program
NETWORK LAN
Connects devices within a limited area
NETWORK WAN
Used to connect networks across different countries
INTERNET
A typical network has the following three components:*
Server
Workstation
Communication channels
OPERATION
SYSTEM
Helps secure data by controlling user access to a computer
Provides a user
interface
Backup program
& setup wizard
Helps manage computer resources