Question

(i) Name any four input and four output devices.
(ii) Write the name of the input device you will use, if you want to upload your photograph in the computer.
(iii) Write the name of the device used in the Banks to read the special characters printed with magnetic material on the cheques.

Answer 1

1. Keyboard.Image scanner.Microphone.Pointing device. Graphics tablet. Joystick. Light pen. Mouse. Optical. Pointing stick. Touchpad. Touchscreen. Trackball.Webcam. Softcam.Refreshable braille display.Examples of an input device include a computer keyboard and mouse, which can send data (input) to the computer, but they cannot receive or reproduce information (output) from the computer
2. scanner can be used in that case
3.MICR code is a character-recognition technology used mainly by the banking industry to ease the processing and clearance of cheques and other documents. The MICR encoding, called the MICR line, is at the bottom of cheques and other vouchers and typically includes the document-type indicator, bank code, bank account number, cheque number, cheque amount, and a control indicator. The technology allows MICR readers to scan and read the information directly into a data-collection device. Unlike barcodes and similar technologies, MICR characters can be read easily by humans

Answer 2

1)Printer - output
Mouse - input
Keyboard - input
Monitor - output
Web cam - input
Scanner - input
Graphics tablet - input or output (if there is a screen on it)
Joypad - input (output as well if it rumbles!)
Speakers - output
2) if you want to upload your photo you can use digital scanner camera
3) MICR (magnetic ink character recognition) is a technology used to verify the legitimacy or originality of paper documents, especially checks.