Page 13 - TechPluse_C6_Flipbook
P. 13
PDA
Personal Digital Assistant (PDA) is a hand held computer that has a
touchscreen and allows to organize our daily routine works like schedules,
calendars and address book information. It also has a pen like stylus which
allows us to give input. It can also accepts handwritten input directly from
PDA the touchscreen.
Smart Watch
A smart watch is a computing device which you can wear on your wrist. It
provides the features of an older watch and some advanced features of
smartphone like connecting to the internet, using mobile apps, and making
phone calls, etc.
Gaming Consoles Smart Watch
Gaming console, also called video game console is a computing device
specially designed to play video games. We can connect the gaming
console with television to play games on television. Some commonly
used examples of the gaming consoles are Sony Playstation, Nintendo
Gaming Console
GameCube, and Nintendo Wii.
A computer system is made up of a number of electronic devices which are connected together.
It is made up of both hardware and software. Hardware refers to the physical components that
make up a computer system. Let us read about software in detail.
SOFTWARE
Software is a set of instructions that makes the computer perform tasks. Software is another term
for a computer program. It controls the computer and makes it do useful work. Without software
a computer is useless.
Software can be classified into two broad categories: system software and application software.
System Software
System Software
It is the most important component to operate
a computer. The operating system is a type of
system software. System software can be classified
Operating Programming Utility
into three categories, as shown:
System Software Software
Operating System
An operating system is a system software that works as a mediator between user and computer
hardware. A computer cannot work without an operating system. Operating system helps the users
to give instructions to all the parts of the computer system and also make the users to understand
the results given by the computer. The three most
common operating systems for personal
computers are Microsoft Windows, Mac OS
and Linux. Other known names are iMac, UNIX
and DOS.
Categories of Computers and Software 11

