IGCSE Information & Communication Technology Paper-1: Specimen Questions with Answers 38 - 38 of 45

Question number: 38

Edit

Appeared in Year: 2009

Short Answer Question▾

Write in Short

Name the following devices using the words from the list

The Devices word list

The Devices Word List

Table of the Devices word list

Table of the Devices word list

CD ROM

Mouse

DVD ROM

Joystick

Magnetic tape

Light pen

Magnetic ink characters

Magnetic stripe

Optical marks

Trackball

Floppy disk

Remote control

Explanation

A – Joystick

B – Mouse

C – Trackball

  • Joystick, Mouse and trackball are pointing devices. A pointing device, or sometimes called a pointing tool, is a hardware input device that allows the user to move the mouse cursor in a computer program or GUI operating system. Using a pointing device, you can point at or manipulate any object or text on the screen.

  • Joystick: In computers, a joystick is a cursor control device used in computer games and assistive technology. The joystick, which got its name from the control stick used by a pilot to control the ailerons and elevators of an airplane, is a hand-held lever that pivots on one end and transmits its coordinates to a computer. It often has one or more push-buttons, called switches, whose position can also be read by the computer.

  • Mouse: A computer mouse is an input device that is used with a computer. Moving a mouse along a flat surface can move the cursor to different items on the screen. Items can be moved or selected by pressing the mouse buttons. Today’s mice have two buttons, the left button and right button, with a scroll wheel in between the two. Today, many computer mice use wireless technology and have no wire. There are many types of mouse. Optical mouse, wireless mouse, mechanical mouse, trackball mouse. A computer mouse is a handheld hardware input device that controls a cursor in a GUI and can move and select text, icons, files, and folders. For desktop computers, the mouse is placed on a flat surface such as a mouse pad or a desk and is placed in front of your computer.

  • Trackball: A trackball is an input device used to enter motion data into computers or other electronic devices. It serves the same purpose as a mouse, but is designed with a moveable ball on the top, which can be rolled in any direction. Instead of moving the whole device, simply roll the moveable ball on top of the trackball unit with hand to generate motion input.

Developed by: