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Are most computers analog machines?
No, most computers today are digital machines. Digital computers operate using discrete binary data, represented as 0s and 1s. Analog computers, on the other hand, manipulate continuous physical quantities such as voltage, current, or mechanical motion. While analog computers were used in the past, the vast majority of computers in use today are digital.
Why the computer is the most visible and pervasive product of the digital age?
a. computers are used in all digital technologies.
What are digital computers used for?
Digital computers, well, your using one to ask your question! Digital computers, most people just call them Computers, or PC's, are used for a variety of things. For one, the Internet, which you are using right now on a Digital computer. All computers are digital. Perhaps you should research PC's http://en.wikipedia.org/wiki/Digital_PC Other uses: Games Writting documents Reading information Information databases Website hosting (servers) Research Data collection And so much more!
What is an analog modem?
A analog modem is a typical modem found in personal computers. A digital modem is similar to a DSL type modem. Most computers do not have digital modems.
Do computers store data digitally and ultimately as a stream of only two numbers?
Most digital computers today do.
What was the computer made of?
Several early digital computers were made of electromechanical devices similar to those used to build automatic dial telephone exchanges used at the time. First generation digital computers were made of vacuum tubes. Second generation digital computers were made of discrete transistors (most used germanium transistors but later some silicon transistors). Third generation digital computers were made of (hybrid, SSI, MSI, LSI) silicon integrated circuits. Fourth generation digital computers are made of microprocessors and other (VLSI, ULSI, etc.) silicon integrated circuits.
Are computers analog machines?
Some are, but most have been made obsolete by modern inexpensive high speed digital computers. The few that remain now are in specialized applications where speed and smooth transitionsare more important than very accurate results. Even in those places digital computers called DSPs (Digital Signal Processors) are rapidly encroaching.
Is the computer works only in binary level language?
For most digital computers at the lowest level, they work in binary. Experimental multilevel computers have been built and analogue computers don't work in binary.
What is digital computer?
A computer that stores data in terms of digits (numbers) and proceeds in discrete steps from one state to the next. The states of a digital computer typically involve binary digits which may take the form of the presence or absence of magnetic markers in a storage medium (see memory), on-off switches or relays. In digital computers, even letters, words and whole texts are represented digitally. Unlike analog computers, digital computers can only approximate a continuum by assigning large numbers of digits to a state description and by proceeding in arbitrarily small steps.
What factors have helped to decrease the digital divide?
Cyber-cafes are available in most large cities. Most libraries in the United States provide Internet access. Wireless capabilities and laptop computers along with phenomenal cell phone interface capabilities make access to communication easier
Will a digital camera work on both my PC and Mac computers?
Most digital cameras are made to work on both PC and Mac platforms. To be sure, check the compatibility on the product details before purchasing.
Can we process data in computers in analogue form?
Absolutely, but those are called analog computers and operate very differently than the way digital computers do.Electronic analog computers long predate electronic digital computers and until the invention of the microprocessor were almost always less expensive than electronic digital computers. In some cases hybrid computers were built composed of a digital computer, an analog computer, and converter circuits so that data could be transferred back and forth between the two computing sections of the machine.The most common type of electronic analog computer was the electronic differential analyzer, but there are many other types that have been built for solving specific classes of problems (e.g. electronic harmonic analyzers, electronic finite element analyzers) via electronic analog means.
