Question

Give right answer i will give you brainlest rating

Answer 1

Answer:

A. a bar at the edge of the display of a graphical user interface that allows quick access to current or favourite applications.

B. The control unit (CU) is a component of a computer's central processing unit (CPU) that directs the operation of the processor. It tells the computer's memory, arithmetic and logic unit and input and output devices how to respond to the instructions that have been sent to the processor.

C. A microphone, colloquially named mic or mike (/maɪk/), is a device – a transducer – that converts sound into an electrical signal.

D. a device which performs optical character recognition and produces coded signals corresponding to the characters identified.