Computer Hardware Devices

A bit-map terminal maps every pixel on the screen directly to a bit in memory. This allows for individual control of each pixel, which is essential for graphical displays.

POS terminals are designed for retail environments to read product data. This includes bar codes and other printed information on tags or labels.

Optical Mark Recognition (OMR) is the standard technology used to grade multiple-choice tests by detecting the presence of marks on a pre-printed form.

A joystick is an input device that allows a user to provide x-y coordinate input, commonly used in gaming and CAD applications for precise movement.

A touch pad is an input device that uses a pressure-sensitive surface (often with switch contacts) to detect touch and translate it into coordinate movements.

Voice response unit is a device which uses words or messages recorded on a magnetic medium to produce audio response.

We can connect two devices to a single IDE cable because it has an additional connector which enables us to connect 2 IDE devices to the system.

 PCI stands for Peripheral Component Interconnect.This slot is used for attaching additional devices such as LAN card or ethernet card and internal modem to the motherboard.

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MICR (Magnetic Ink Character Recognition) is used by banks to process checks quickly and accurately by reading the magnetic ink characters at the bottom of the document.

A scanner is an input device that captures images or text from physical documents and converts them into digital files.

Input devices, such as keyboards and mice, are used to provide data and control signals to a computer system.