2. Computer
An electronic machine which helps in solving
problems quickly and easily. It solves problems
according to instructions given to it by the computer
user called programs or software. It is a digital
machine(that uses binary digits) used in all fields.
4. Computers For Individual Use
• Desktop computers
• Laptop Computers
• Tablet computers
• Handheld computers
• Work Station
• Smart phones
5. Desktop computers
The most common type of computer that you see in
homes, schools, and in most businesses
They are small enough to be placed on a desk or table
but are too big to be carried around
Performs a variety of tasks
6. Laptop Computers
A laptop is a small, portable computer
Nowadays, laptop computers are more frequently
called notebook computers, though technically
laptops are somewhat larger in size than notebooks,
in both thickness and weight.
7. Tablet computers
A tablet is a wireless, portable personal
computer with a touchscreen interface.
Thetablet form factor is typically smaller than
a notebook computer, but larger than a
smartphone
9. Work Station
A workstation is simply a desktop computer
that has a more powerful processor, additional
memory
10. Smart phones
a mobile phone that performs many of the functions of a
computer, typically having a touchscreen interface,
Internet access, and an operating system capable of
running downloaded apps.
13. Super computers
supercomputers are single computer
systems, most are comprised of multiple
high performance computers working in
parallel as a single system.
14. Mainframe Computers
Used in large organizations Users access through
a terminal multi tasking capability and high data
storage
15. Network servers
Centralized computer All other computers
connect Provides access to network resources
Multiple servers are called server farms Often
simply a powerful desktop