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## What is FPU (math coprocessor)?

by Dinesh Thakur Category: Introduction to Computer

FPU stands for floating point unit, a small chip built into some computers. Sometimes referred to as a math coprocessor or a math chip, an FPU can calculate complex mathematical problems and various graphic tasks much faster than the "general purpose" CPU (central processing unit) found in all computers. It's called a floating point unit because its speed really shows when calculating equations involving numbers having decimal portions, such as 67.9345x 0.00345.

## What is Dual Floppy Drive?

by Dinesh Thakur Category: Introduction to Computer

A computer with a dual floppy drive has two slots in which to insert a floppy disk. Although several years ago this meant you simply had two of the same kind of floppy drives so you could work from two different disks, it now usually means that one of the drives will take a 3.5-inch high-density floppy disk, and the other will take a 5.25-inch floppy disk.

## What is Density?

by Dinesh Thakur Category: Introduction to Computer

Density reflects the closeness of data on a disk: the closer the data is, the denser a disk is said to be. Of course, when data is placed closer together (more densely), a disk can store more data. Floppy disks, which are magnetic data storage devices, come in two commonly used sizes: 3.5-inch and 5.25-inch. Both sizes are available in two densities: double- density and high-density.

## What is Docking Station?

by Dinesh Thakur Category: Introduction to Computer

A docking station is a unit that attaches to a laptop or notebook computer, either directly or by cable, providing the laptop with more hardware. This arrangement increases the laptop's capabilities almost to that of a standardized desktop computer. A docking station typically includes standard expansion slots, as well as additional ports (sockets) for connecting a printer, modem, keyboard, etc.

## What is backside bus?

by Dinesh Thakur Category: Introduction to Computer

A second PROCESSOR BUS built into high-performance microprocessors, such as the PENTIUM II and later, used to connect the processor to its LEVEL 2 CACHE memory so that the latter does not have to share the bandwidth of the ordinary I/O bus with main memory accesses.

## Computer Components

by Dinesh Thakur Category: Introduction to Computer

A computer is a collection of digital electronic circuits which carry out logical and computational operations. Digital circuits consider only extreme values of the voltages applied in the circuit.Typical values of the applied voltages are 0 volts and 5 volts; many systems also work on 0 and 3 volts. In a digital system, the high value of voltage may be coded as 1, while the low value may be coded as 0. This notation makes the use of binary number system possible in programming. Figure shows the major components of a computer and various connections between them.

## What is Cloud Computing?

by Dinesh Thakur Category: Introduction to Computer

Cloud Computing is a modelthat allows accessto a shared pool of configurable computing resource (eg. networks, servers, storage, applications, and services) networkon demand. Cloud computingliterally, is the use ofremote servers(usuallyaccessible via the Internet) to process orstore information.Access isusuallyusinga Web browser.Save fileson a servervia the Internetis one example. Thesoftware itselfcan be mountedalsoon the remote computer.

## List some of the important features of Mice & Keyboards

by Dinesh Thakur Category: Introduction to Computer

The mouse and keyboard are your PC’s eyes and ears; without them you could not execute commands or input text. In this article we’ll highlight some of their important features.

## Impact of Computers on Society

by Dinesh Thakur Category: Introduction to Computer

During the last decade computers have become an integral part of our daily lives. There is hardly any activity which does not make use of computers at some stage or the other. Even when someone on a holiday wishes to call a friend using his/her cell phone, he/she is using computers indirectly as messages are handled and directed by them. Similarly, on any given day, even if we are not directly working on computers on our desks, we make use of computers many times while using a mobile or a land line phone, purchasing from a modem outlet, and other such activities. Facilities such as e-mail and web have become the life-line of our modem society as well as of the world of business.

## What’s the difference between 32-bit and 64-bit?

by Dinesh Thakur Category: Introduction to Computer

The term “bit” is short for “binary digit,” which can be a 1 or 0. In this context, the number of bits refers to how many 1’s and 0’s the computer’s processor can use to communicate instructions and assign memory addresses. When dealing with instructions, 64-bit software offers increased performance over 32-bit programs, because the processor will be able to deliver more information each time it issues a command. When dealing with memory address, a 32-bit string is limited to a little over 4 million bytes of memory, or 4GB. That means the computer cannot store data to RAM beyond 4GB, so installing more than 4GB on a computer that runs a 32-bit version of Windows is a waste.

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Dinesh Thakur holds an B.SC (Computer Science), MCSE, MCDBA, CCNA, CCNP, A+, SCJP certifications. Dinesh authors the hugely popular Computer Notes blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps. For any type of query or something that you think is missing, please feel free to contact us.

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