Tag: Technology

Computer – Components

Computer – Components All types of computers follow the same basic logical structure and perform the following five basic operations for converting raw input data into information useful to their users. S.No. Operation Description 1 Take Input The process of entering data and instructions into the computer system. 2 Store Data Saving data and instructions […]

Computer – Input Devices

Computer – Input Devices Following are some of the important input devices which are used in a computer − Keyboard Mouse Joy Stick Light pen Track Ball Scanner Graphic Tablet Microphone Magnetic Ink Card Reader(MICR) Optical Character Reader(OCR) Bar Code Reader Optical Mark Reader(OMR) Keyboard Keyboard is the most common and very popular input device […]

Computer – Generations

Computer – Generations Generation in computer terminology is a change in technology a computer is/was being used. Initially, the generation term was used to distinguish between varying hardware technologies. Nowadays, generation includes both hardware and software, which together make up an entire computer system. There are five computer generations known till date. Each generation has […]

Computer – Applications

Computer – Applications In this chapter, we will discuss the application of computers in various fields. Business A computer has high speed of calculation, diligence, accuracy, reliability, or versatility which has made it an integrated part in all business organizations. Computer is used in business organizations for − Payroll calculations Budgeting Sales analysis Financial forecasting […]

Computer – Memory Units

Computer – Memory Units Memory unit is the amount of data that can be stored in the storage unit. This storage capacity is expressed in terms of Bytes. The following table explains the main memory storage units − S.No. Unit & Description 1 Bit (Binary Digit) A binary digit is logical 0 and 1 representing […]

Computer – Ports

Computer – Ports A port is a physical docking point using which an external device can be connected to the computer. It can also be programmatic docking point through which information flows from a program to the computer or over the Internet. Characteristics of Ports A port has the following characteristics − External devices are […]

Computer – Number System

Computer – Number System When we type some letters or words, the computer translates them in numbers as computers can understand only numbers. A computer can understand the positional number system where there are only a few symbols called digits and these symbols represent different values depending on the position they occupy in the number. […]

Computer – Number Conversion

Computer – Number Conversion There are many methods or techniques which can be used to convert numbers from one base to another. In this chapter, we’ll demonstrate the following − Decimal to Other Base System Other Base System to Decimal Other Base System to Non-Decimal Shortcut method – Binary to Octal Shortcut method – Octal […]