Explanation

Long haul installation connects one central office, or data center, to another.

Explanation

Error Control in the data link layer is a process of detecting and retransmitting the data which has been lost or corrupted during the transmission of data. 

Explanation

The basic function performed by a computer is execution of a program.

Taking data and instructions from a user, processing the data as per instructions, and displaying or storing the processed data, are the four major functions of a computer.

Explanation

The 1950s saw the birth of the computer industry with two companies, Sperry and IBM, dominating the marketplace.

Sperry: 1955

IBM: 1952

Explanation

CPU interconnection is some mechanism that provides for communication among the control unit, ALU and registers.

CPU stands for Central Processing Unit. 

Explanation

Input and Output are used as a medium of communication between the external environment and the CPU. 

Explanation

Explanation

Sensor is a device which detects or measures a physical property and records, indicates, or otherwise responds to it.

Explanation

Explanation

• CPU  is used to process data in the PC
• ***
• The processor, more formally known as the central processing unit (CPU)
• A processing device is any device inside a computer that interprets and manipulates incoming data during this stage.