BAA1012 COMPUTER APPRECIATION

1
BAA1012 COMPUTER APPRECIATION

• Title
• Overview Computer System
• Network
• Internet
• Central Processing Unit
• Input, Output, Storage
• Software OS Civil Quiz2
• Test No.2

• Week
• 1
• 2
• 3
• 4
• 5
• 6
• 7

2
INPUT

• Inputting
• Common
• Keyboard, Mouse
• Source Data Automation
• Magnetic ink character recognition
• Optical recognition
• Data collection device
• Voice input
• GIGO

3
OUTPUT

• Common
• Screen
• Monochrome
• Raster scan
• Resolution
• Graphic card/circuitry
• Interlaced
• Printer
• Hardcopy
• Impact vs NonImpact
• Speaker

4
OUTPUT

• Terminal
• Category
• Dumb
• Smart
• Intelligent
• Inquiry vs Prompt
• Pen based Computer
• Computer Output Microfilm
• Computer Speech Synthesis

5
STORAGE

• Secondary storage
• Data Organization
• Character
• Field
• Record
• File
• Database

6
STORAGE

• Data Processing
• Batch processing
• Master File Transaction File
• Update, sorted, key
• Advantages vs disadvantages
• Transaction processing
• Realtim
• Online
• Time sharing
• Advantages vs disadvantages

7
STORAGE

• Three methods storing file
• Sequential file organization
• Direct file organization
• Indexed file organization