However, netbooks internal components are less powerful than those in regular laptops source. In learning about computers, the first step usually is to understand the major types of software, their uses, and applications. The five generations of computers information technology. Starting from 1940s, computers performance, measured in terms of processing speed, storage capacity, accuracy of results, multitasking ability and versatility has improved significantly. It is a type of computer used for engineering applications cadcam, desktop. An analog computer spelt analogue in british english is a form of computer that uses continuous physical phenomena such as electrical, mechanical, or hydraulic quantities to model the problem being solved. Guymon pleasant grove high school spring 2003 laptop. Wearable computer essentially, common computer applications email, database multimedia, calendarscheduler are integrated into watches, cell phones, visors and even clothing. An os dissociates the programs from the hardware and simplifies resource management. According to functionality, type of computers are classified as. The term microcomputer has practically become an anachronism.
Software is held either on your computers hard disk, cdrom, dvd or on a diskette floppy disk and is loaded i. Hybrid computers are computers that exhibit features of analog computers and digital computers. They include incar built computers, game consoles and desktop computers. Give your own definition for computer architecture, and compare. The term microcomputer was introduced with the advent of systems based on single chip microprocessors. The super computers are the most high performing system. It responds to a specific set of instructions in a welldefined manner. Portable computers include notebook andsubnotebook computers, handheld computers, palmtops, and pdas. The computer gets infected through the replication of malicious code. Measurements that detect the onset of system degradation lower functional state, thereby allowing causal stressors to be eliminated or controlled prior to any signiicant deterioration in the component physical state. Although there are many computer languages, relatively few are widely used. Netbooks first appeared in 2007, primarily as a means.
The fastest and most powerful type of computer supercomputers are very expensive and are employed for specialized applications that require immense amounts of mathematical calculations. Teachers, writers, and most office workers use computers for research, word processing and emailing. A computer virus is one type of malware that inserts its virus code to multiply itself by altering the programs and applications. Uses of computers in different fields, areas, sectors. Local area network lan metropolitan area network man wide area network wan personal area network pan a lan is a network that is used for communicating among computer devices, usually within an office building or. Each of these threats can cause potential damage and cause a lot of harm, if the data is lost. Small businesses can use computers as a point of sale and for general record keeping. It consists of a large box called the system unit that contains most of the essential components. Each generation of computer is characterized by a major technological development that fundamentally changed the way computers operate, resulting in increasingly smaller. Five generation of computer pdf download for competitive. What are the five main categories of computers the computer age has brought about many advances in technology, including the increasing miniaturization of computers and components. Types of computer threats you should be aware of tech. Low level the way files are stored on a disk is not visible to the common user and has nothing to do with what you can see when you list the contents of a directory.
It can execute a prerecorded list of instructions a program. Computer hardware refers to the physical parts or components of a computer such as the monitor, mouse. The class of sequential or conventional computer systems comprises. History and classification of computer fuoye repository.
Every stage of technological advancement in computer development is referred to as a generation of computer. A list of different types of computer software with. Data can be easily transferred by cd rom from one computer to another. Microcomputers personal computers microcomputers became the most common type of computer in the late 20th century. Based on capacity, speed and reliability they can be divided into four categories of computers. Computer components any kind of computers consists of hardware and software. The bestknown early system was the altair 8800, introduced in 1975. There are a lot of terms used to describe different types computers. A small, singleuser computer based on a microprocessor. Explain different types of storage devices perfect. A software is a collection of programs that helps one communicate with the hardware of the computer. They are classified according to purpose, data handling and functionality.
Machine cycles are measured in nanoseconds picoseconds a. Five different types of computer india study channel. Some of the common peripherals are mouse, keyboard, monitor or display unit, printer, speaker, flash drive etc. The microcomputers, sometimes referred to as the personal computers, are the most common types of computers used by people. Because of this exclusive feature, computers play a crucial role as an application device in application based services like banking, transportation, security, government affairs etc. Tower model the term refers to a computer in which the power supply, motherboard, and mass storage devices are stacked. Some of the most common viruses are, boot sector virus. A hybrid computer system setup offers a cost effective method of performing complex simulations. It is commonly used by web servers, it enables user to upload, edit or delete files from websites using ftp clients. A supercomputer is pretty much exactly what it sounds like.
Operating systems that create a link between users and the applications form the core of computer systems. File transfer protocol ftp is one of the oldest server types. Any kind of computers consists of hardware and software. Computer programming language, any of various languages for expressing a set of detailed instructions for a computer. For example, weather forecasting requires a supercomputer. Ftp server ensures the security and integrity of data during the transfer.
The earliest programming languages were assembly languages, not far removed from instructions directly executed by hardware. The computer systems can be classified on the following basis. Most of these words imply the size, expected use or capability of the computer. Netbooks are ultraportable computers that are even smaller than traditional laptops. Then come the portable computers that are computers small enough to carry.
Smart phones have a lot in common with computers, but they lack. Two important types of servers are file servers and application servers. Other uses of supercomputers include animated graphics, fluid dynamic. A computerr port is an interface or a point of connection between the computer and its peripheral devices. Computer viruses come in different forms to infect the system in different ways. Different types of computers by danielatkinson96 31582 views. A server is a central computer that contains collections of data and programs. It can quickly store and retrieve large amounts of data. It is important to know the different types of threats, so that the data can be safeguarded. Any digital computer carries out five functions in gross terms.
Computer has the power of storing any amount of information or data. Practice the dos, windows, file and extension programs with. It depends entirely upon you how much data you want to store in a computer and when to lose or retrieve these data. While the term computer can apply to almost any device that has a microprocessor in it, most people think of a computer as a device that receives input from the user through a mouse or keyboard, processes it in some fashion and displays the result on a screen. Classification of computers by swarnima tiwari 4622 views. These computers are as powerful as desktop but size of these computers are comparatively smaller than laptop and desktop.
It is responsible for transferring files from server to a computer and vice versa. Computers are also categorized on the basis of physical structures and the purpose of their use. Engineers, architects, jewelers, and filmmakers all use computers to design things. Computers can be broadly classified by their speed and computing power. A computer can be as big as an entire room or as small as a microcontroller found in mobiles and embedded systems. Its a term used to describe computers that have the most capable. The digital component normally serves as the controller and provides logical and numerical operations, while the analog component often serves as a solver of differential equations and other mathematically complex equations. There exist several types of general purpose computer systems. Some displays are touchscreen, so you can use your finger on the screen to provide input to the computer display quality is measured in resolution that is, the number of pixels. Many have a variety of locationaware applications, such as global positioning system gps and mapping programs and local business guides.
In this article, i have described about the different types of computer. There are many computer uses in different fields of work. Type specifications 1 pc personalcomputer it is a single user computer system having moderately powerful microprocessor 2 workstation it is also a single user computer system which is similar to personal computer but have more powerful microprocessor. Let us look at the different types of operating systems and know how they differ from one another. The software is the instructions that makes the computer work. The five generations of computers the history of computer development is often referred to in reference to the different generations of computing devices. Definition a computer is a machine that can be programmed to manipulate symbols. Computers differ based on their data processing abilities. However, the earliest computers were large machines, taking up lots of floor space and consuming large amounts of electricity. An expensive computer that is comprised of multiple high performance computers working in parallel as a single system. A workstation is simply a desktop computer that has a more powerful processor, additional memory. These computers are the cheapest among the other three types of computers.
The history of computer development is a computer science topic that is often used to reference the different generations of computing devices. The five generations of computers webopedia reference. Now, computers use wifi and broadband connections to blaze their way through multimedia content from live streaming news to movies to multiplayer games and much more. Classification of computers type of computer computer notes. Also called a network server, this system allows all connected users to share and store electronic data and applications. With the wide scale use of internet, there are different types of computer threats, that the computer networks are susceptible to. These types are grouped together into two major computer classes, comprising sequential or conventional computers, and parallel computers, respectively. Read the article and get the information about different types of computers. There are different types of computer software which are useful for several purposes. A supercomputer is a computer with a high level of performance compared to a generalpurpose computer. The monitor, keyboard, and mouse all plug into it using cables or in some cases, using a wireless technology. Any information can be stored and recalled as long as you require it, for any numbers of years. Different types of networks depending upon the geographical area covered by a network, it is classified as. The speed at which the cpu processes data to convert is measured in what.
Depending on their usage and service application they can be classified in various categories. Computer services many types of computers are available these days. Computer hardware is the collection of physical elements that constitutes a computer system. There are five different types of computer which are personal computer, laptop computer, palmtop computer, mainframe and super computer. Supercomputers are very expensive and are employed for specialized applications that require immense amounts of mathematical calculations. Each one of the five generations of computers is characterized by a major technological development that fundamentally changed the way computers operate.