P a g e | 1 Assignment Subject: - Computer Class: - VII Teacher: - Mrs. Suudha Name: ______Class & Sec: ______Roll No. ______Date: 04.04.2020 Lesson 1: More Peripherals A peripheral or peripheral device is device used to put information into and get information out of the computer. Three categories of peripheral devices exist based on their relationship with the computer:
1. an input device sends data or instructions to the computer, such as a mouse, keyboard, graphics tablet, image scanner, barcode reader, game controller, light pen, light gun, microphone, digital camera, webcam, dance pad, and read-only memory); 2. an output device provides output from the computer, such as a computer monitor, projector, printer, headphones and computer speaker); and 3. an input/output device performs both input and output functions, such as a computer data storage device (including a disk drive, USB flash drive, memory card and tape drive). Many modern electronic devices, such as internet capable digital watches, keyboards, and tablet computers, have interfaces that allow them to be used as computer peripheral devices.
Peripheral Input or output What does it Do? Digital Camera Printer Scanner Monitor Mouse Keyboard Webcam
1. Display screen in which text is displayed in one color and background is displayed by another single color is called
A. monochrome screen B. high resolution screen C. low resolution screen D. medium resolution screen
2. Teletypewriter terminal is an example of
A. input devices B. output devices C. input/output devices D. storage devices
P a g e | 2 3. Devices that accepts data from outside the computer and transfer into the CPU are called
A. input devices B. digital devices C. analogue devices D. truth table peripherals
4. Devices which are used to receive data from central processing unit are classified as
A. output/input devices B. digital devices C. signaled devices D. output devices
5. Devices that are under the control of the computer and are directly connected to computer peripherals are termed as
A. off-line devices B. on-line devices C. IN gate device D. IF gate device
6. Material on which data is stored or an input/output is classified is termed as
A. mini frame medium B. micro medium C. macro medium D. medium Q1: Identify the following devices:
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Answer: A1:
Peripheral Input or What does it Do? output Digital Camera output A digital camera or digicam is a camera that captures photographs in digital memory Printer output Printers are output devices used to prepare permanent output of any information. Scanner input A scanner is used to input paper documents or- photos into the computer. Monitor output A computer monitor is an electronic device that shows pictures for computers Mouse input A mouse is used to point and click things on a computer screen and it is shown in the form of a cursor Keyboard input A computer keyboard is a typewriter-style device which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches Webcam Input A webcam is a video camera that streams a picture or video progressively to a PC or through an arranged PC A2: 1. A 2. C 3. A 4. D 5. B 6. D A3: