CSS-W1.-COMPUTER SYSTEM SERVICING FIRST QUARTER
- 2. Computer peripherals (Input Devices) BY: Sir Lau
- 3. OBJECTIVES At the end of the Lesson the student must be able to: 1. Identify different input devices. 2. classify the following input devices according to their category; and 3. give the function of each input devices.
- 5. Peripheral - is a piece of computer hardware that is added to a computer in order to expand its abilities.
- 7. Input Device •is composed of a device that accepts data and instructions from the user or from another computer system.
- 8. Two (2) Types of Input Devices 1.Keyboard Entry – Data is inputted to the computer through a keyboard. e.g. keyboard
- 9. a. Keyboard ◼The first input device developed for the PC that sends information about the keys you press.
- 10. Two (2) Types of Input Devices 2. Direct Entry – A form of input that does not require data to be keyed by someone sitting at a keyboard.
- 11. Three Categories of Direct Entry Devices i. Pointing Devices - An input device used to move the pointer (cursor) on screen. a.Mouse b.Touch screen c. Light Pen d.Digitizer Tablet
- 12. a. Mouse ◼The most common 'pointing device' used in PCs which is used to move a little cursor around the screen, clicking and dragging.
- 13. b. Touch Screen A display screen that is sensitive to the touch of a finger or stylus. Used in myriad applications, including ATM machines, retail point-of-sale terminals, car navigation and industrial controls. The touch screen became wildly popular for smart phones and tablets.
- 14. c. Light Pen - a light- sensitive stylus wired to a video terminal used to draw pictures or select menu options.
- 15. d. Digitizer Tablet -a graphics drawing tablet used for sketching new images or tracing old ones. -also called a "graphics tablet
- 16. Three Categories of Direct Entry Devices ii. Scanning Devices - A device that can read text or illustrations printed on paper and translates the information into a form the computer can use.
- 17. ii. Scanning Devices - a device that can read text or illustrations printed on paper and translates the information into a form the computer can use.
- 19. b. Image Scanner
- 20. iii. 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 • Audio input devices such as microphones allow users to speak to the computer in order
- 21. a. Microphone - allow users to speak to the computer in order to record a voice message or navigate software.
- 22. Microphones
- 24. ACTIVITY I Identification of input devices ◼ Directions: Identify the following input devices and give its function. Input Devices Name & Functions
- 25. ACTIVITY I Identification of input devices ◼ Directions: Identify the following input devices and give its function. Input Devices Name & Functions
- 26. ACTIVITY II Classifying Input Devices Direct Entry Classification
- 27. ACTIVITY II Classifying Input Devices Direct Entry Classification
- 28. ASSESSMENT 1. Which of the following is an example of an input device? a) Monitor b) Keyboard c) Printer d) Speaker 2. Which device is primarily used to capture images or video? a) Scanner c) Webcam b) Microphone d) Mouse 3. What type of input device is a mouse? a) Pointing device c) Output device b) Storage device d) Processing device
- 29. ASSESSMENT 4. Which device is commonly used to convert hard copies of documents into digital format? a) Keyboard c) Scanner b) Monitor d) Speaker 5. Which input device is used to capture sound? a) Printer c) Projector b) Microphone d) Headphones
Editor's Notes
- #1: There are 18 stylized pictures of different computer usage and concepts, on the top of the screen. Roll over the picture reveal the name of the subject. Every IT icon is in different set of colors, which sign the fields group. The main tree is in the middle. The empty sockets are colored in group colors too. Drag the small round computer application picture and drop it over the appropriate color on the tree. The pictures will remain active, until all arranged correctly. There is a small counter to the bottom right. SITE: https://planeta42.com/it/computertree/
- #24: Image Scanner Keyboard Barcode Scanner
- #25: Image Scanner Keyboard Barcode Scanner Touchscreen Barcode Scanner Mouse
- #26: SD VD PD PD PD SD
- #28: B C A C B
- #29: B C A C B