_______ is used by a computer to scan and identify the product or item codes

• scanner

• Bar code reader

• bank ussd

• code scanner

________ are special barcodes that can be read using QR reading devices, mainly installed as an application on smart phones.

_______ reads the special characters printed using special magnetic ink on cheques

________ is used for recognizing a pre specified space on a paper that is marked by pencil or pen.

__________ performs all the arithmetic and logical operations within a computer

_______ controls and guides the interpretation, flow and manipulation of all data and information.

_________ means a binary digit that is either 0 or 1

A group of 8 bits is called _______

A group of 4 bits is called _____

_________ is the main internal storage area that a computer uses to run and store data.