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

• CPU  is used to process data in the PC
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• 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.
  

Explanation

• The arranging of data in a logical sequence is called Sorting.
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• Sorting is the process of rearranging a sequence of objects so as to put them in some logical order.
• Sorting plays a major role in commercial data processing and in modern scientific computing
  

Explanation

• Microsoft office accounting is: A tool for managing business finances
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• Microsoft Office Accounting makes it easier to manage your financial information, leaving you more time to focus on your business.
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• Microsoft office spreadsheet program is:  Microsoft Excel
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Explanation

The CPU is the brain of a computer, containing all the circuitry needed to process input, store data, and output results.

The CPU is constantly following instructions of computer programs that tell it which data to process and how to process it.