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Why can't a machine be 100 percent efficient?

No machine is free of the effects of gravity, and even with lubrication, friction is always present, so the energy a machine produces is always going to be less than the energy put into it. Most machines involve transferring energy from one place or another, or transforming one form to energy into another, but machines cannot create energy. This tendency of systems to lose energy is called entropy. Entropy in a closed system never decreases. Systems always tend toward a state of increasing disorder unless more energy is put in to the system to counteract this tendency.\nA machine that can keep..

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What is the difference between system software and application software with examples?

The operating system is used to manage system resources and give application software an environment in which it can run. It acts as an intermediary between the user, the software and the computer hardware. When the computer is turned on, the primary parts of the operating system are loaded into memory and stay there while the PC is turned on. While booting up, it configures the hardware and makes sure everything is connected and then runs many software tasks in order to get the operating system working in a way that a user can interact with it.Application software is the front-end software th..

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Where do you find the serial number on the phone?

The serial number, or International Mobile Equipment Identity (IMEI) code, is a 15-digit code that is unique to each mobile phone. It is advisable to make a note of this number, as it is needed to block the phone if the device is lost or stolen.\nDual-SIM mobile phones have two unique IMEI numbers.

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What are SEO optimization techniques geared to DuckDuckGo searches?

DuckDuckGo doesn’t track user searches, and search results aren’t personalized. In order for a website to rank well, it must provide quality content and a great user experience. Like other search engines, DuckDuckGo uses backlinks to help determine search result rankings. Fewer high-quality backlinks are preferable to a large number of low-quality links. DuckDuckGo suggests Wikipedia as an example of a website it considers to be high quality.\nBecause DuckDuckGo doesn’t track users, it isn’t able to return local search results that are as accurate as some other search engines. DuckDuck..

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What is E11 Ultipro?

E11 Ultipro has enabled employees to access their information and records from Ultipro’s database through an online portal. The Human Resource department issues login credentials to its employees so that they can access the portal. Employees can edit their information where they see fit.\nE11 Ultipro reduces paperwork in organizations and as a result, keeps employee records from outside parties that might want to damage an organization. This cloud-based platform delivers human capital management to organizations from all industries.\nUltipro has received recognition with a line of awards for..

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What is the function of a hard disk drive?

The major characteristics of hard drives are the amount of data it can store, called capacity, and performance. The capacity is measured in gigabytes or terabytes. For example, 1 GB is equal to 1,024 megabytes and 1 TB is equal to 1,024 GB. When it comes to selling hard drives, however, the manufacturer usually uses multiples of 1,000 rather than 1,024. This can make some hard drives show less capacity in the operating system than they do on the box.Hard drive performance can refer to read speeds, write speeds, latency and the seek time. The seek time and latency are measured in the time it ta..

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What is 11 in binary?

Each column of a binary number, when read from right to left, has twice the value of the last column, so instead of ones, tens, hundreds and thousands, binary has ones, twos, fours, eights and so on. To convert a number into binary, start with largest binary value and work down. In this example, eight is the largest binary value that fits into eleven, so there's a one in the eights place. Eleven minus eight is three, which four does not fit into, so there is a zero in the fours place. Two does fit into three, so a one goes in the twos place, and one fits into one, so a final one goes in t..

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How do you find cars for sale in the Milwaukee area using CarSoup?

CarSoup.com is an auto-listing service that publishes information about vehicles and other related products and automotive services. Users on CarSoup.com can locate vehicles that are on the market including new and pre-owned sports utility vehicles, trucks, sedans, convertibles, minivans, wagons, vans, hatchbacks and commercial vehicles. To find cars that are up for sale in the Milwaukee area using the basic search tool on CarSoup.com, follow the instructions provided below.Access the CarSoup.com websiteType CarSoup.com into a Web browser window and press Enter.Provide informationSelect from t..

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How do you unblock accidentally blocked e-mail?

Blocking an e-mail address prevents the user from seeing e-mails sent by the person associated with that address. Unblocking that address simply reverses the procedure.Step 1: Access the "Settings" menuThe "Settings" or "Mail Settings" location varies depending on the e-mail client. In AOL e-mail, for example, it is located by clicking on the user's address, selecting "Options," then selecting "Mail Settings." Blocked e-mail addresses are listed under the "Spam Filter" settings.Step 2: Remove the blockRemove the e-mail address from the blocked list by deleting it or un-selecting the check..

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What are some important International Code Requirements for windows?

Windows must be tested and labeled according to code specifications for both wind and impact resistance. In some cases, exceptions are made, and for some residential buildings, protective wood panels are permitted in place of impact resistant glazing or shutters. International energy codes pertaining to windows establish maximum permitted U-factors, which represent the window's insulation level, and solar heat gain coefficients, which indicate how well a window blocks heat from the sun.\nEmergency escape and rescue openings are required in all bedrooms below the fourth floor and in most b..

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