uses of computer for class 3

uses of computer for class 3

Also, with the release of multi-tasking systems such as OS/2, Windows NT and Linux, the operating systems of personal computers could do the job of this class of machines. 2. 7. They are measured in MIPS (million instructions per second) and can respond to hundreds of millions of users at a time. A teacher’s class of students may not be able to board a plane and fly to Antarctica for a hands-on lesson, but they can view the area virtually, use Google Earth to survey the icy land, and speak with scientists in real time. Today, the term is used to describe desktop PCs with high-performance hardware. These are computers where different people might log on at different times; unlike public computers, they would have usernames and passwords assigned on a long-term basis, with the files they see and the computer's settings adjusted to their particular account. The term “microcomputer” was introduced with the advent of systems based on single-chip microprocessors. This user often may use all hardware resources, has complete access to any part of the computer and has rights to install/remove software. Engineers, architects, jewelers, and filmmakers all use computers to design things. An automobile may contain a number of embedded computers; however, a washing machine or DVD player would contain only one microcontroller. The term "microcomputer" has practically become an anachronism. Some common classifications of computers are given below. Often the important data files will reside on a central file server, so a person could log onto different computers yet still see the same files. Public computers are open for public uses, possibly as an Interactive kiosk. An example of a floating-point operation is the calculation of mathematical equations in real numbers. Workstations are computers that are intended to serve one user and may contain special hardware enhancements not found on a personal computer. Personal computers normally store personal files, and often the owner/user is responsible for routine maintenance such as removing unwanted files and virus-scanning. Let’s take a look at two of the 119 available worksheets. Computers and the Internet have become an important part of everyday life for many people and so it is only fitting to dedicate a section of the site to these topics. A computer helps you to send e-mail. Server usually refers to a computer that is dedicated to providing one or more services. 3. A server is expected to be reliable (e.g. • Owing to the widespread use of computers in every sphere, Life in today’s world would be unimaginable without computers. Such computers are used and maintained as appliances, and not normally used as the primary store for important files. Many smaller servers are actually personal computers that have been dedicated to provide services for other computers. For even increased security, the server may be mirrored. These computers may have more capabilities than they are being used for; they are likely to have WiFi and so be capable of Internet access, but are rarely firewalled (but have restricted port access or monitored in some way). There are many computer uses in different fields of work. This technology approach needs special hardware support to be useful and was first the domain of mainframes and other large computers. Embedded computers are typically required to operate continuously without being reset or rebooted, and once employed in their task the software usually cannot be modified. Different operating systems (OS) can therefore be run at the same time. Another approach is to implement VMs on the operating system level, so all VMs run on the same OS instance (or incarnation), but are fundamentally separated to not interfere with each other. A digital system is one that uses numbers, especially binary numbers, for input, processing, transmission, storage, or display, rather than a continuous spectrum of values (an analog system) or non-numeric symbols such as letters or icons. 4. Some computers in a business setting are for one user but are also served by staff with protocols to ensure proper maintenance. There are many places one can use them, such as cybercafes, schools and libraries. Computers that are used just to display selected material (usually audio-visual, or simple slide shows) in a shop, meeting or trade show. Microcomputers became the most common type of computer in the late 20th century. Computer User’s Dictionary The Modem is usually built into your computer, you don’t see it. Furthermore, the hardware is often referred to as the machinery of the computer. A personal computer has one user who may also be the owner (although the term has also come also mean any computer hardware somewhat like the original IBM PC, irrespective of how it is used). Embedded computers are chosen to meet the requirements of the specific application, and most are slower and cheaper than CPUs found in a personal computer. The history of computing hardware is often used to reference the different generations of computing devices: Classed by generation of computer technology, Learn how and when to remove this template message, they see and the computer's settings adjusted to their particular account,, Articles needing additional references from October 2007, All articles needing additional references, Articles which use infobox templates with no data rows, Creative Commons Attribution-ShareAlike License. Embedded computers are computers that are a part of a machine or device. The physical parts of the computer make up the hardware, while the apps or programs is the software of any computing device. Embedded computers are very common. • Another way to prevent getting this page in the future is to use Privacy Pass. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. 2 2 2 3 1. A computer helps you to play games. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Uses of Computer: A computer helps you to type a document. The operating system is difficult to change and/or resides on a file server. Such systems normally require a system administrator to set up and maintain the hardware and software. Nowadays, most personal computers are equipped for this task, but for long-term operation or critical systems, specialized server hardware may be needed.

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