What is a computer?
What is a computer? History, Types, hardware, and software of computer: Advantages and Disadvantages of computer
What is a computer?
A computer is an electronic data processing device that takes raw data as the input from the user, and processes these data under the control of a set of instructions called the program and gives the result or output.
A computer is a machine that performs processes, calculations, and operation based on instructions provided by the software or the hardware program.
The term computer is derived from the Latin term computare, which means to calculate or programmable machine. The computer cannot work itself without using the program or software.
Charles Babbage is the father of the computer, the first computer was designed by Charles Babbage was called the analytical engine. It uses read-only memory in the form of the punch cards.
Hardware is the physical part of the computer such as the monitor, mouse, and keyboard. It also includes the internal part of the computer, which you can see in the image.
Software is the set of instructions that tells the hardware how to perform the tasks? Examples of computer software include web browsers, word processors, and games. Below you can see the image of Microsoft PowerPoint that is use to create slideshow.
What are the different types of computers?
The computer comes in many shapes and sizes and they perform different functions in our daily lives.
Many people use this type of computer at work, or at home. Desktop computers are designed to be placed on the desk, and they are typically use made up of a few different parts including the computer case, mouse, monitor, and keyboard.
Laptop computers are also the type of computer, you may be familiar with is a laptop, called commonly a laptop. The laptop computers are battery-powered computers that more portable than desktop computers.
Tablet computers or simply tablets are handheld computers that are even more portable than laptops and desktops. Tablets are using the touch-sensitive screen for typing and navigation. For example: the IPad.
Advantages and disadvantages of the computer:
Advantages of the computer:
There are some most common advantages of the computer.
Now a day’s computer is not just a calculating machine, the computer has a very important role in human’s daily life. Its incredible speed is one of the main advantages of computer. Which help humans to complete their task in just a few seconds. All operations can be performed very fast just because of its speed.
One of the major advantages of computers is multitasking; we can perform multiple tasks, multiple operations and calculates numerical problems within few seconds, trillion of instructions per second computer can perform.
Stores a huge amount of data:
Can save huge data within a low budget, a centralized database of storing information is a major advantage that can reduce cost, it is a low-cost solution.
Disadvantages of the computer:
With the advantages, it also has some disadvantages.
Online cyber crimes:
Means computers and networks may have used in order to commit crimes. The cyberstalking and identity theft are the points that come under the online cyber-crime e.g. one may get access to the access to your shopping accounts such as the Amazon account now that person will be able to know your personal details e.g. credit and debit cards numbers.
By using the computers different tasks are performed automatically. It reduces the need of people and increases unemployment in the society.
The Wastage of the time and energy:
Many people using computers without any positive purpose, they play games, chats, and watch videos for a long period of time; it causes the wastage of time and energy. The young generation is now spending more time on social media like Facebook, Instagram, Twitter, or YouTube.