Grade 6 Chapter 1 Know your Computer

The  first  mechanical  calculating  invented by

• John Napiers
• Blaise Pascal
• Charles Babbage
• Steve Jobs

Charles Babbage  known as the Father's of Computer invented 

• Pascaline
• Napier's Bone
• Abacus
• Analytical Engine

The second generation computers  based on

• Vacuum Tube
• Integrated Circuit
• Microprocessor
• Transistor

The latest generation of computers that use natural language recognition is ... 

• Microprocessor
• Artificial  Intelligence
• Integrated circuit
• Transisitor

Type of computer that have very large size  use in large business, government agencies

• Super Computer
• Mainframe
• Mini Computer
• Microprocessor

Desktop is type of micro-computer that

• designed to fit  comfortably  on the table
• designed  to fit on your lap
• designed  with touchscreen tehnology
• designed for mobile work

The example of  input device is

• Projector
• Microprocessor
• Barcode reader
• Printer

The example of output device is

• Keyboard
• Joystick
• Light Pen
• Speakers

Part of the CPU is used to manage all the operation in the computers

• Arithmetic Logic Unit
• Control Unit
• Memory Unit
• Secondary Memory

ALU is used to 

• perform calculation
• control computer devices
• store data temporary
• display the result on screen