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Computers

This category includes questions and answers about computers and everything related to computers.

48,002 Questions

Where can one find an HP 17 laptop?

17 inch laptops can be found in a large number of places. Apple sell 17 inch laptops both in-store and on-line. For those who wish for a Windows OS, the majority of large retailers in the UK (Tesco, Asda) sell relatively inexpensive 17 inch laptops in their superstores. One can find higher specification laptops at shops like PC World and also on-line at Amazon.

What does the F10 key do?

Just does the same thing as alt-f4, except it's faster. Try it yourself... You should get a pop-up. Just does the same thing as alt-f4, except it's faster. Try it yourself... You should get a pop-up.

Is CRT a type of computer monitor?

Yes. A CRT stands for cathode ray tube. This was the de facto type of display screen for TVs and early computer monitors before the implementation of LCD, LED, and OLED screens later on.

Unlike the other types of display, this type of display was susceptible to magnets and magnetic fields, which will tend to mess it up. That 's why if you see a CRT monitor back then and now (if there are still any manufactured at all), there will be a degauss button to help with that.

In addition, the screen saver was actually designed during this era to prevent the screen from permanently burning a image onto the screen for having a certain pattern stay on the screen for too long (thus the term "screen saver"). Now it's not much of an issue with newer monitors and TVs, but current screen savers are kept more for a fashion statement and for security/privacy concerns.

How much time do kids spend on screens?

i found this at http://www.post-gazette.com/headlines/19991118kidstv3.asp The study by the Kaiser Family Foundation shows that children aged 2-18 spend an average of 5 1/2 hours a day "consuming" media, including two hours and 45 minutes watching TV. Kids 8 and older spend even more time in front of the tube -- nearly 6 3/4 hours a day.

What is the function of instruction register?

The Instruction Register (IR) stores the instruction currently being executed. In simple processors each instruction to be executed is loaded into the instruction register which holds it while it is decoded, prepared and ultimately executed.

Where The information stored in RAM is erased when the computer is turned off?

Main computer memory is called volatile memory. It holds data only as long as it is provided power. When you turn off the computer, you remove power from the memory chips and they loose the ability to hold data. If you want to keep your information, ensure you save it to the computer hard drive before you switch off the computer.

What are the word processing packages?

* Microsoft word * ABI world * Open office * Zoho writer * Ajax world * Dark room * Text edit * Writer app * Jdark room * Word perfect * Iwork

How do you get an account?

Why it's quite simple my friend, you simply press the create acount button next to the ask anser button!

How does intrusion detection software fit into a computer security plan?

It monitors network ports and application activity, and reports suspect activity to the system administrators and/or system logs. The most advanced IDS packages can detect internal and external intrusions (those that occur inside and outside the firewall, respectively), on any port, to any application. They are also programmed to watch for unusual activity, such as a large spike of bandwidth that would threaten to overwhelm the application or hardware.

Where do you store temporary information internally while the computer is on?

The computer itself uses RAM or random access memory to do so. If you want to temp save info... You probably can on the desktop or hard drive then delete it when done.

What is the main long-term effect of high temperatures on computer components?

Generally, subjecting computer components to greater temperatures than they were optimally designed to withstand can ultimately result in permanent damage to certain parts of the machine. When one considers that much of the most important components are often made of wafer-thin components glued and soldered together, sometimes with electrical conducting paths less than a millimeter apart, it is easy to see why any kind of force that could warp the materials or "cook" them for extended periods of time could cause permanent damage to the computer.

Is it better to buy a new computer or a used computer?

it depends on your budget,

if your looking for a high speed and powerful performance PC then you should buy a new one just after Christmas when the sales are on.

if you are just looking for a normal PC that can handle basic computer jobs and usage then best to buy a used buy almost brand new, therefore it wont be too old to handle your general needs

=D

so i suppose the best value for money would be to just buy an old one that is said "as good as new" or "mint condition"

hope this helps you decide

=D

How effective is the laptop cooler?

Cooling pads for laptops are good! I have been using them for years and before that when I wasn't I felt like my leg would burn off. I highly recommend on with battery operated so it wont effect the battery life of your laptop. They definitely are a great investment if you have a lot of work to do on your laptop.

What are the benefits of small laptop computers?

Mini laptops have many benefits. They are lightweight which makes them highly portable. They do not have a disc drive which makes them lighter and smaller. They can still perform most of the tasks of a regular sized laptop. A mini laptop has the same speed and hard drive and a full size.

Is von neumann machine a real machine?

A von neumann machine is a digital computer that incorporates serial counters and stored programs that were proposed by von Neumann and his colleagues in 1946. It was the basic design of a modern or classical computer.

What is the difference between the various types of twisted pair cables?

From a networking perspective the two main types of twisted pair cable that have been used extensively; particularly with Ethernet, are Shielded Twisted Pair (STP) and Unshielded Twisted Pair (UTP). The biggest difference between the two is the presence or absence of a shielding layer but all types use various twist periods to reduce the effect of electromagnetic interference (EMI) or noise and cross-talk interference.

What are the 2 main types of ROM called?

PROM (programable read only memory) EPROM (eraseable programable read only memory) PROM (programable read only memory) EPROM (eraseable programable read only memory) PROM (programable read only memory) EPROM (eraseable programable read only memory) PROM (programable read only memory) EPROM (eraseable programable read only memory) PROM (programable read only memory) EPROM (eraseable programable read only memory) PROM (programable read only memory) EPROM (eraseable programable read only memory)

What are some kinds of computer furniture I should look for if I am starting my own home office?

Basic office furniture would be desk and chairs. Additional lighting if needed. A place to store literature, such as a rack and other personal amenities.

Depending on the size of your office and number of employees, you may also want a reception desk, file cabinets, mail sorters and more.

Why is software required at all for computing?

Computers require three elements to perform a task: hardware (the physical machinery required to complete the task), software (the instructions the hardware should carry out to complete the task), and users (the people who interact with both the software and the hardware to complete the task).

Although many tasks can be automated, the need for a user is still a pre-requisite as computers are not self-aware, they cannot program themselves and cannot make decisions they are not programmed to make.

What is the difference between a computer and a machine?

The Main difference between a computer and a machine that computer is an intelligent device which has the ability to decide by its own through processing different data analysis while machine is least intelligent and is always waiting for user. For Example, a loader or a drill machine can never work without its Operator While Computer is always acting by its own through following instructions, like Supervisory Control and Data Acquisition (SCADA) System which is always getting data from the remote sites and shaped it in proper information.