Grade 2 Computer 1st Quarter Flipbook PDF

Grade 2 Computer 1st Quarter

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1. Health, Safety and Ethics Aim: To work in a safe and healthy computer laboratory environment.

Learning Objectives: ✓ Recognize the health risks existing in a computer laboratory. ✓ Show understanding of the proper way to sit in front of a computer. ✓ Switch on and off a computer in a safe manner.

3: Rules and Regulations of the computer laboratory

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5: Risks in a computer laboratory

6: Precautions to take in a computer laboratory

7: Good sitting posture habit

8: How to switch on a computer? 1. I see if the System Unit and the monitor are both plugged in and the switch is on.

2. I switch on the monitor.

9: 3.

I press the power button of the system unit.

10: How to switch off a computer?

1. I Click on the Windows logo 2. I Click on the Power icon 3. I Click on Shutdown icon

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2. The Computer System Aim: To introduce pupils to the parts of a Computer System

Learning Objectives: ✓ Identify the mouse ✓ Identify the monitor ✓ Identify the keyboard ✓ Identify the system unit ✓ Identify the speakers ✓ Identify the printer ✓ Identify the headphones ✓ Identify the webcam

12: Parts of the Computer System 1. Monitor A monitor is a piece of computer hardware that displays the video and graphics information generated by a connected computer through the computer's video card. 2. Keyboard A computer keyboard is a typewriter-style device which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches.

13: 3. Mouse A mouse is a pointing device that detects twodimensional motion relative to a surface. This motion is typically translated into the motion of a pointer on a display, which allows for 4. System Unit of fine control a graphical userMemory interface. The CPU and are put into a computer case/ housing or system unit. 5. Speaker An output device which converts an electrical audio signal into a corresponding sound.

14: 6. Printer A printer is an output device that prints paper documents. This includes text documents, images, or a combination of both. 7. Headphones A pair of earphones joined by a band placed over the head, for listening to audio signals such as music or speech. 8. Webcam A video camera that inputs to a computer connected to the Internet, so that its images can be viewed by Internet users.

15: The Computer System

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