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LEARNING OBJECTIVES

At the end of the lesson, the students should be able to:

1. Identify the different input devices;

2. Install mouse and keyboard devices in accordance with manufacturer’s instructions and/ or OS installation procedures;

3. Understand the importance of following the steps in installing devices properly.

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If the Windows device manager cannot find the driver update for your device automatically, which of the following steps should you take?

a. Restart the computer and search again

b. Open task manager and search there.

c. Open Windows update and search there.

d. Go to the manufacturer’s website and search there

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2. The following includes the input information used in developing a software update EXCEPT ___________.

user experience
bug reports
new Graphic User Interface (GUI)
improvements in software technology

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3. Which of the following is a benefit of updating your computer software?

a. improved software performance

b. updated security features

c. updated graphic user interface (GUI)

d. all of the above.

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4. Which of the following is the first step in accessing driver updates/patches?

a. Search and open the device manager from the start menu.

b. Select a category to see the names of devices.

c. Select Search automatically for updated driver software.

d. Select Update Driver.

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5. Mr. De Dios has bought a new webcam and is planning to use it in his desktop computer. After using it for a month, the webcam suddenly stopped working and the computer no longer recognizes the device. Which of the following steps might help him?

a. Check if he needs to upgrade his computer video card.

b. Check if there is an operating system update.

c. Check if there is a device driver update.

d. Check if the computer needs cleaning.

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SAFETY PRECAUTIONS

OHS-

Occupational Health and Safety

- refers to the policies and procedures that aim to prevent injuries and accidents in Workplace. It protects health, safety and welfare of all people working in the area.

Don’t forget to wear Personal Protective Equipment and follow safety protocol as follows:

✓ Always asks for assistance from teachers/instructors before doing anything.

✓ Always wear Personal Protective Equipment.

✓ Apply Safety measures when handling tools and equipment.

✓ Do not work with computer when wet to avoid electrical accidents.

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Computer Devices

INPUT DEVICES

OUTPUT DEVICES

STORAGE DEVICES

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Input Devices (2 types)

There are two types of Input Peripherals/Devices. First is the keyboard entry.

It enters data to a computer through keyboard.

The second one is the direct entry.

It is a form of input where it does not require data to be keyed.
Direct-entry devices generate machine-readable data in a paper or magnetic media, or it feeds directly into the computer’s Central Processing Unit.

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Common Input Devices

Keyboard - The first input device developed for the PC. Data is transferred to the PC by hitting the function keys, numerical keys, alphabet keys and etc. and plugged on the back of the motherboard.

Pointing Devices - An input device used to navigate pointer on screen.

Mouse – A mouse has two buttons which is known as left click and right click and most have one or two scroll wheels as sensor for moving up and down.

Light Pen - A device that is used to draw pictures or select menu options. The user brings the pen to the desired area on screen and presses the pen button to make selection or contact.

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Digitizer Tablet - A graphics drawing tablet used for sketching new images or drawing images. It is also called a "graphics tablet," the user contacts the surface of the device with a wired or wireless pen.

Scanning Devices- A device that can read text or illustrations printed on paper and translates the information into a form the computer can use.

Voice- Input Devices - Audio input devices also known as speech or voice recognition systems that allow a user to send audio signals to a computer for processing, recording, or carrying out commands.

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Installation of Mouse and Keyboards Peripherals/Devices

Installation of Peripherals note: Install first your Operating System for the computer to recognize and control Peripherals/Devices.

Installing the Keyboard and Mouse

1. Read, understand and follow the manufacturer’s instructions

2. Identify if the keyboard uses a PS/2 or Universal Serial Bus (USB) connector. The PS/2 connector for keyboards is round with pins and usually colored purple, while the USB that has type A and type B port which is rectangular or square in shape.

Ps/2 Connector Universal Serial Bus (USB) Connector

3. Install the keyboard by plugging it into the chosen port attached in the Mother Board.

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Do you have questions with regards to our lesson?

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Q2: Seatwork # _____

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Directions: Determine whether the statement is true or false. Write the word Hooray if it’s true and write word the Hep! Hep! if it’s false.

1. Input device is the device that converts information into human-readable form like text, audio, video etc.

2. Occupational Health and Safety (OHS) refers to the policies and procedures that aim to prevent injuries and accidents in Workplace.

3. Apply Safety measures when handling tools and equipment.

4. Direct entry peripherals/devices enter data to a computer through keyboard.

5. Install first your Operating System in order for the computer to recognize and control peripherals/devices.

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