The earliest civilizations already had concepts of number and counting. Representations vary from one civilization to another, thus, there is the Babylonian system, the Mayan system, the Egyptian system, the Hindu-Arabic system, the Roman system, were used in trade and simple calculations. But due to lack of convenient writing tools like pen and paper, these systems were not used in computations. Instead, the Romans used the abacus
From 1100 AD to 1500 AD, there was a debate between the supporters of the Roman Number system using the abacus and the Hindu-Arabic system using algorithm on which system was more efficient. The Hindu-Arabic system won.
TYPES OF COMPUTERS
Supercomputer--- this computer is considered the fastest computer and is used in science-related areas.
Mainframe Computers--- this is very expensive and large computer can support up to thousands of users at the same time.
Minicomputer--- this is a medium-powered computer that stands between a standard personal computer and a mainframe.
Workstation--- this type commonly used for desktop publication.
Personal Computer--- as the name suggests, this computer is designed for personal uses.
TYPES OF PC
Desktop--- this is a computer which is designed to fit comfortably on the top of a desk.
Portable Computers--- this includes computers that are small enough to be carried.
TYPES OF PORTABLE COMPUTER
Notebook--- this is small enough to easily fit to a briefcase.
Subnotebook--- this has a smaller keyboard and a screen slightly lighter and smaller, compared to a notebook computer
Laptop Computer--- this is one of the most popular portable computer.
Palmtop--- it can literary fit into your arm.
Personal Digit Assistant(PDA)--- a handheld device that combines computing, telephone or fax and networking features.
Supercomputer--- this computer is considered the fastest computer and is used in science-related areas.
Mainframe Computers--- this is very expensive and large computer can support up to thousands of users at the same time.
Minicomputer--- this is a medium-powered computer that stands between a standard personal computer and a mainframe.
Workstation--- this type commonly used for desktop publication.
Personal Computer--- as the name suggests, this computer is designed for personal uses.
TYPES OF PC
Desktop--- this is a computer which is designed to fit comfortably on the top of a desk.
Portable Computers--- this includes computers that are small enough to be carried.
TYPES OF PORTABLE COMPUTER
Notebook--- this is small enough to easily fit to a briefcase.
Subnotebook--- this has a smaller keyboard and a screen slightly lighter and smaller, compared to a notebook computer
Laptop Computer--- this is one of the most popular portable computer.
Palmtop--- it can literary fit into your arm.
Personal Digit Assistant(PDA)--- a handheld device that combines computing, telephone or fax and networking features.
