Computer Concepts

diligence

A computer can perform millions of tasks or calculations with the same consistency and accuracy. It doesn't feel any fatigue or lack of concentration. Its memory also makes it superior to that of human beings.

memory

A computer has built-in memory called primary memory where it stores data. Secondary storage are removable devices such as CDs, pen drives, etc., which are also used to store data.

Reliability

A computer is reliable as it gives consistent result for similar set of data i.e., if we give same set of input any number of times, we will get the same result.

Speed

A computer works with much higher speed and accuracy compared to humans while performing mathematical calculations. Computers can process millions (1,000,000) of instructions per second. The time taken by computers for their operations is microseconds and nanoseconds.

Storing the information

After processing, the information gets stored in the primary or secondary storage area.

automation

Computer performs all the tasks automatically i.e. it performs tasks without manual intervention.

Accuracy

Computers perform calculations with 100% accuracy. Errors may occur due to data inconsistency or inaccuracy.

Receiving Input

Data is fed into computer through various input devices like keyboard, mouse, digital pens, etc. Input can also be fed through devices like CD-ROM, pen drive, scanner, etc.

data

Hence ________ means "unstructured facts and figures"

Processing the information

Operations on the input data are carried out based on the instructions provided in the programs.

Producing output

The processed information and other details are communicated to the outside world through output devices like monitor, printer, etc.

data

is a collection of unorganized facts & figures and does not provide any further information regarding patterns, context, etc.

computer

is an electronic device that accepts data from the user, processes it, produces results, displays them to the users, and stores the results for future usage.

information

is structured data i.e., organized meaningful and processed data. To process the data and convert it into information, a computer is used.

4 functions of computers

receiving input processing the information storing the information producing output

versatility

refers to the capability of a computer to perform different kinds of works with same accuracy and efficiency.

7 Characteristics of Computer

speed accuracy diligence versatility reliability automation memory