Specifically, a computer is an electronic device, or machine, that follows certain specified rules and completes a standard set of functions such as: Creating information Taking data as input from an external resource Processing the data into something useful
What is a computer and how does it work?
What is a computer? A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You may already know that you can use a computer to type documents, send email, play games, and browse the Web. You can also use it to edit or create spreadsheets, presentations, and even videos.
What are the basic components of a computer?
However, a computer cannot function without having at the very minimum the parts listed below. Processor - Component that executes instructions from the software and hardware. Memory - Temporary primary storage for data traveling between the storage and CPU. Motherboard (with onboard video) - Component that connects all components.
What are the different types of computers used in science?
This type of computer that scientists and engineers may be familiar with is called the workstation. It is generally used in scientific applications and has a faster microprocessor along with a spacious memory. This last type of computer is a microcomputer which is nothing but a personal computer that you use at home.
What are the four functions of computer?
Four Functions about computer are: Input is the raw information entered into a computer from the input devices. It is the collection of letters, numbers, images etc. Process is the operation of data as per given instruction. It is totally internal process of the computer system.
What is computer with explain?
A computer is a machine that can store and process information. Most computers rely on a binary system, which uses two variables, 0 and 1, to complete tasks such as storing data, calculating algorithms, and displaying information.
What is computer short example?
A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You may already know that you can use a computer to type documents, send email, play games, and browse the Web.
What are the 10 example of computer?
The 10 types of computers include personal computers, desktops, laptops, tablets, hand-held computers, servers, workstations, mainframes, wearable computers and supercomputers.
What is computer explain long answer?
A computer is a machine or device that performs processes, calculations and operations based on instructions provided by a software or hardware program. It has the ability to accept data (input), process it, and then produce outputs.
What are the 5 definition of computer?
(1) A class of machine that acts on data as opposed to physical things. (2) Machines that process meaning represented as symbols. (3) General purpose devices for performing calculations and operations on data. (4) Programmable machines for storing, processing and calculating data.
What is basic computer?
These are 1) it accepts data or instruction by way of input, 2) it stores data, 3) it can process data as required by the user, 4) it gives results in the form of output, and 5) it controls all operations inside a computer. We discuss below each of these operations.
What are the 5 examples of computer?
Types of ComputerMainframe Computer. It is high capacity and costly computer. ... Super Computer. This category of computer is the fastest and also very expensive. ... Workstation Computer. ... Personal Computer (PC) ... Apple Macintosh (Mac) ... Laptop computer (notebook) ... Tablet and Smartphone.
What is importance of computer?
A computer is a vital tool for accessing and processing information and data, as it is the first window to access the Internet. It is an important tool for science students, who generally rely on it in preparing their educational reports and projects.
What are the 4 main types of computers?
So, on the basis of size, there are five types of computers:Supercomputer.Mainframe computer.Minicomputer.Workstation.PC (Personal Computer)
What is computer basic introduction?
A computer is an electronic machine that processes raw data to give information as output. An electronic device that accepts data as input, and transforms it under the influence of a set of special instructions called Programs, to produce the desired output (referred to as Information).
What is computer and types of computer?
Computer TypesS.No.Type of Computer1Personal Computer (PC)2Workstation3Minicomputer4Main Frame1 more row
Why computer is called computer?
The term "computer", in use from the early 17th century (the first known written reference dates from 1613), meant "one who computes": a person performing mathematical calculations, before electronic computers became commercially available.
What are the 7 types of computers and examples?
Types of ComputerMainframe Computer. It is high capacity and costly computer. ... Super Computer. This category of computer is the fastest and also very expensive. ... Workstation Computer. ... Personal Computer (PC) ... Apple Macintosh (Mac) ... Laptop computer (notebook) ... Tablet and Smartphone.
What are the 3 types of computer?
And on the basis of data handling capabilities, there are three types of computer: Analogue Computer. Digital Computer. Hybrid Computer.
What are the 5 types of computer?
There are five types of computer-based on size.Supercomputer.Mainframe Computer.Minicomputer.Workstation.Personal Computer.
What are the 4 types of computer?
1Supercomputer. 2Mainframe Computer. 3Minicomputer. 4Microcomputer.
How Are Computers Used Today?
Today, computers make jobs that used to be complicated much simpler. For example, you can write a letter in a word processor, edit it anytime, spel...
What Components Make Up A Desktop computer?
Today's desktop computers have some or all of the below components (hardware) and peripherals. As technology advances, older technologies, such as...
What Parts Are Needed For A Computer to Work?
A computer does not require all of the components mentioned above. However, a computer cannot function without having at the very minimum all of th...
What are the parts of a computer?
What parts are needed for a computer to work? 1 Processor - Component that executes instructions from the software and hardware. 2 Memory - Temporary primary storage for data traveling between the storage and CPU. 3 Motherboard (with onboard video) - Component that connects all components. 4 Storage device (e.g., hard drive) - Slower secondary storage that permanently stores data.
How are computers used today?
For example, you can write a letter in a word processor, edit it anytime, spell check, print copies, and send it to someone across the world in seconds. All these activities would have taken someone days, if not months, to do before. Also, these examples are a small fraction of what computers can do.
What components make up a desktop computer?
Today's desktop computers have some or all of the below components ( hardware) and peripherals. As technology advances, older technologies, such as a floppy disk drive and Zip drive (both shown below), are no longer required or included.
What is embedded computer?
An embedded computer is a computer with a specific function, found in such things as ATMs, cars, microwaves, TVs, the VCR, and other home electronics.
What is a computer today?
Today's computers are electronic devices that accept data ( input ), process that data, produce output, and store ( storage) the results. Computer overview. History of the computer.
What is storage device?
Storage device (e.g., hard drive) - Slower secondary storage that permanently stores data. However, if you had a computer with only the minimum parts above, you would be unable to communicate with it until you connected at least one input device (e.g., keyboard ).
Does a computer need all the components?
A computer does not require all the components mentioned above. However, a computer cannot function without having at the very minimum the parts listed below.
What is a computer?
A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You may already know that you can use a computer to type documents, send email, play games, and browse the Web. You can also use it to edit or create spreadsheets, presentations, and even videos.
What are the two things that all computers have in common?
Before we talk about different types of computers, let's talk about two things all computers have in common: hardware and software . Hardware is any part of your computer that has a physical structure, such as the keyboard or mouse. It also includes all of the computer's internal parts, which you can see in the image below.
What are the different types of computers?
When most people hear the word computer, they think of a personal computer such as a desktop or laptop. However, computers come in many shapes and sizes, and they perform many different functions in our daily lives. When you withdraw cash from an ATM, scan groceries at the store, or use a calculator, you're using a type of computer.
What is a desktop computer?
Many people use desktop computers at work, home, and school. Desktop computers are designed to be placed on a desk, and they're typically made up of a few different parts, including the computer case, monitor, keyboard, and mouse.
What is a server?
A server is a computer that serves up information to other computers on a network. For example, whenever you use the Internet, you're looking at something that's stored on a server. Many businesses also use local file servers to store and share files internally.
What is software in computer?
Software is any set of instructions that tells the hardware what to do and how to do it. Examples of software include web browsers, games, and word processors. Everything you do on your computer will rely on both hardware and software. For example, right now you may be viewing this lesson in a web browser (software) and using your mouse (hardware) ...
What are some examples of electronics?
Many of today's electronics are basically specialized computers, though we don't always think of them that way. Here are a few common examples. Smartphones: Many cell phones can do a lot of things computers can do, including browsing the Internet and playing games. They are often called smartphones.
What is the purpose of a computer?
The computer is an electronic device that takes input from the user and processes these data under the control of a set of instructions (called program) and gives the result (output) and saves future use. It can process both numerical and non-numerical (arithmetic and logical) calculations.
What is computer in computer science?
What is Computer : Computer is an electronic device that is designed to work with Information. The term computer is derived from the Latin term ‘computare’, this means to calculate or programmable machine. Computer can not do anything without a Program. It represents the decimal numbers through a string of binary digits.
What is a workstation?
In this context, the workstation is just a generic term for a user’s machine (client machine) in contrast to a “server” or “ mainframe .”. • Minicomputer: A minicomputer isn’t very mini. At least, not in the way most of us think of mini. You know how big your personal computer is and its related family.
Who was the first computer engineer?
Charles Babbage is called the “Grand Father” of the computer. The First mechanical computer designed by Charles Babbage was called Analytical Engine. It uses read-only memory in the form of punch cards.
Can a computer do anything without a program?
Computer can not do anything without a Program. It represents the decimal numbers through a string of binary digits. The Word ‘Computer’ usually refers to the Center Processor Unit plus Internal memory. Charles Babbage is called the “Grand Father” of the computer.
History of computer systems
Herman Hollerith’s tabulating machine is the first large-scale computing system.
Structure of computer systems
Every computer system is made up of three integrated instances, also called “resources”:
Multiplicity of uses
Computer systems are used today in an enormous multiplicity of fields. For example, in business work, they have accounting as well as administrative functions . They are also allies of scientific research , to process large amounts of data.
Comparison with an information system
There are non-computerized information systems, on paper or other media.
Databases
Databases are called the immense volumes of data that are stored in different types of computer systems. Its recovery is fast and punctual at the request of the users.
Artificial intelligence
One of the most controversial fields of computer science research is Artificial Intelligence. Its objective is to achieve sufficient complexity in an operating system to provide it with intelligence , that is, with capabilities that until now have been reserved for human beings: self-referentiality, decision-making, verbal communication, etc.
What are some examples of computer systems?
There are various examples of computer systems, which are given below. 1. Notebook Computer. A notebook computer is also like a laptop computer. Notebook computers are very small in size and are also lightweight, due to which you can carry notebook computers from one place to another very easily.
What is a laptop?
The laptop is a portable computer. A portable computer means you can carry one place to another place is very easy because of the lightweight of a laptop computer. The laptop has an integrated Display, Keyboard, Mouse, Processor, Battery, Camera, Microphone, and Hard disk.
What is a desktop computer?
A desktop computer is a personal computer which we can use in one place because desktop computers are very heavy, which has a lot of problems in carrying them from one place to another. Desktop Computer Means What - The desktop computer sits on the desk hence it is called a desktop computer.
What is a workstation?
Workstation. Picture of Workstation. A workstation computer is a computer designed to perform a specific task, similar to a desktop computer. Workstations are used by professional people to do professional work like - architects, graphic designers, filmmakers, etc.
What is a tablet computer?
Tablet PC. Picture of Tablet PC. A tablet computer is a mobile-based wireless screen touch computer that allows you to talk to anyone through a voice call. Tablet computers are smaller than notebook computers and larger in size than smartphones.
Why are notebooks used in school?
Notebooks are used mostly by students because they are smaller and cheaper than laptops.
What is a server?
Picture of Server. A server is a combination of software and hardware of a computer. The server runs using the Internet. Server A computer that stores a lot of data and when a user requests that data from the server, the server also gives the data to the user for which the user had requested from the server.
How are computers linked?
In traditional computer networks, single computer machine, workstation, and servers are linked one by one through Ethernet and other cables. But now, advance technologies are released in market in which to make connection between multiple points through wireless technology.
What is a computer network?
Definition – Computer network means to connect multiple computer system with each other through physical medium (Cable or Wire) or wireless medium and this architecture is known as “Computer Network“. In traditional computer networks, single computer machine, workstation, and servers are linked one by one ...
Why is computer network important?
So to decrease the probability of cyber threats, computer network provide great tools, which are leading to protection as well as increasing productivity. It offers to some access authority that helps to access specific data with trustworthy person.
Why is it important to save information off the internet?
So today, it is more necessary to save all information off-line, which is flowing over the network for getting protection for the intruders. In future, if anyone wants to access old stored data then those data can be accessed from storage devices.
Why do pure network applications not depend on a single computer?
Pure network applications do not depend on the single computer machine because those applications help to make connection over network and to transfer data from one point to other points.
What is network topology?
Network topology is art, in which to represent as geometric that how to link all computers with each other, it is known as “Topology”. There are different types of network topology such as –
Is it difficult to connect to a computer network?
Portable connection to computer network. Today, it is not difficult to make connection with computer network. All computers has inbuilt programs that help to connect another devices just with clicking on the shortcut prompt. For examples, every smart phone has Wi-Fi that helps to make connection over network.
What are the different types of computer networks?
Computer Network is defined as the collection of many computers. Usually, there are three types of the Network. Local Area Network, metropolitan area network, and wide area network. Now what the main difference between these different types of the network.
How many components are there in a computer network?
The Computer network consists of three components. They are
What is the connection between all the wired and wireless networks for the data communication purpose called?
The connection between all the wired and wireless networks for the data communication purpose is called the Computer Network . Learn the absolute core definition of the Computer Network. It is a system where multiple computers are connected to each other for the purpose to share information and resources.
What is a switch in a computer network?
A Switch is connected to a wireless router all the user computers, satellites, buildings, satellites, router, switches and all come under the Elements in the computer network.
What is the definition of a network?
The definition tells the set of elements are connected by the wireless or wired links. simply, connecting through the communication elements we call it has the Computer Network. The Network is to support the way how we communicate with the people. In previous days, we use the traditional landline communication channel.
How has the power of computers increased?
With the modernization of data communication facilities, the communication between computers has increased and thus it has extended the power of computers beyond the computer room. Nowadays by using this facility, a user sitting in one place can communicate anywhere in the world.
What is wireless network?
The Wireless networks are radio satellites or microwave communications etc. Now, these computer networks can be arranged using some of the topologies. let us know about the formation and the types of topologies. The elements that we arrange with the help of the links we call the Topology.
What are some examples of personal computers?
Examples are – All Personal Computers like as IBM PC, HP PC, DELL PC, and more.
What are some examples of mechanical analog computers?
It produces output while turning of gears, and it can perform multiplication and division operations. Examples are – Cosmic Engine, Pascaline, Stepped Reckoner etc.
What type of computer uses compressed air?
Pneumatic Analog Computer. These computers use the compressed air in the form of power source that is very simple and inherently analog, and these computers mostly used in the nonresidential building areas.
Why is analog computer important?
Analog computer is very useful machine to solve the differential equations. The accuracy of result those machines are low but they are faster in speed to digital computers, and they are capable to compute all instructions in parallel form.
What is analog computer?
Definition: Analog computer is special type of computer, where to use data in continuously form, not discrete, and changeable continues stream of data is known as “Analog Data”. Analog computers can store analog data in the continuous physical quantities likes as electrical potential, fluid pressure, or mechanical motion, ...
How does an analog computer work?
Analog computer works on the supply of. regularly flowing of electrical pulses, and show output continuously. For example – Side rule and speedometer of an automobile, they are displaying their results in real-time. But this device has less memory unit, so they are only capable to perform few types of calculations.
How many dB is a computation?
Computations operations have various limitations to dynamic range like as not more about 125 dB.
What does "execute" mean in a computer?
Execute – Here, to perform all operations and every components of CPU which are needed to activate to carry out instructions.
What devices can processors be used for?
Processors are used in PCs as well as they can be used into other electronic devices such as smart phones, tablets, PDA, and more.
What is the role of a processor?
Its main job role is to obtain input from input devices and then produce the accurately result on the output devices. Now these days, more advance processors are available in the market, which are capable to control trillions of instructions in per second.
What are some examples of dual core processors?
There are some examples which are used as dual core processors such as Intel Core Duo, the AMD X2, and the dual-core PowerPC G5.
Why is cache memory important?
Cache memory helps to save more time in travelling data from main memory.
What is a single core processor?
Single Core CPUs were used in the traditional type of computers. Those CPUs were able to perform one operation at once, so they were not comfortable to multi tasking system. These CPUs got degrade the entire performance of computer system while running multiple programs at same time duration.
What Is A computer?
Hardware vs. Software
- Before we talk about different types of computers, let's talk about two things all computers have in common: hardware and software. 1. Hardware is any part of your computer that has a physical structure, such as the keyboard or mouse. It also includes all of the computer's internal parts, which you can see in the image below. 2. Software is any set of instructions that tells the hardwa…
What Are The Different Types of computers?
- When most people hear the word computer, they think of a personal computer such as a desktop or laptop. However, computers come in many shapes and sizes, and they perform many different functions in our daily lives. When you withdraw cash from an ATM, scan groceries at the store, or use a calculator, you're using a type of computer.
Pcs and Macs
- Personal computers come in two main styles: PC and Mac. Both are fully functional, but they have a different look and feel, and many people prefer one or the other.