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Internet Dangers Internet dangers can be defined as anything that may cause harm to an internet user. This harm can come in many forms (e.g. physical, emotional, psychological, financial, social, and reputational). Many of the different types of internet dangers are outlined below.  This type of internet danger results from a child viewing content which is inappropriate to that child’s age or level of psychological development. The primary types of harm that can result from these dangers are emotional and psychological. Viewing inappropriate material can result in behavioral abnormalities. Some examples of this type of danger are: Pornography Graphic Violence Verbal Obscenities Internet Predators: Internet predators are criminals who seek to engage in sexual relationships with unconsenting individuals. Typically these predators seek to establish sexual relationships with underage individuals. This type of crime can be physically, emotionally, and psychologically harmful to

History of CMOS The Motorola 146818 chip was the first RTC and CMOS RAM chip to be used in early IBM computers, capable of storing a total of 64 bytes of data. Since the system clock used 14 bytes of RAM, this left an additional 50 bytes for storing system settings. Today, most computers have moved the settings from CMOS and integrated them into the South bridge or SuperI/O chips. How long does the CMOS battery last? The standard lifetime of a CMOS battery is around 10 Years. However, this can vary depending on the use and environment in which the computer resides. How would I know if my CMOS battery is failing? If the CMOS battery is failing, the computer cannot keep the correct time or date on the computer after it's turned off. For example, after turning your computer on, you may notice the time as been set to 12:00 P.M. and the date is reset to January 1, 1990. This error indicates the CMOS battery has failed. Another indication the CMOS battery is failing is if you

What is Computer virus?  Definition:  A computer virus is a malicious software program loaded onto a user’s computer without the user’s knowledge and performs malicious actions. Description:  The term 'computer virus' was first formally defined by Fred Cohen in 1983. Computer viruses never occur naturally. They are always induced by people. Once created and released, however, their diffusion is not directly under human control. After entering a computer, a virus attaches itself to another program in such a way that execution of the host program triggers the action of the virus simultaneously. It can self-replicate, inserting itself onto other programs or files, infecting them in the process. Not all computer viruses are destructive though. However, most of them perform actions that are malicious in nature, such as destroying data. Some viruses wreak havoc as soon as their code is executed, while others lie dormant until a particular event (as programmed) gets initia

How RAM Works Memory RAM Random access memory (RAM) is the best known form of computer memory. RAM is considered "random access" because you can access any memory cell directly if you know the row and column that intersect at that cell. The opposite of RAM is  serial access memory  (SAM). SAM stores data as a series of memory cells that can only be accessed sequentially (like a cassette tape). If the data is not in the current location, each memory cell is checked until the needed data is found. SAM works very well for memory  buffers , where the data is normally stored in the order in which it will be used (a good example is the texture buffer memory on a video card). RAM data, on the other hand, can be accessed in any order. Similar to a microprocessor, a memory chip is an  integrated circuit  (IC) made of millions of transistors and capacitors. In the most common form of computer memory,  dynamic random access memory  (DRAM), a transistor and a capacitor are paired to crea

Delete junk files from your PC Too much clutter on your hard drive not only consumes space – it means your PC has to work harder to find the files you do need. Files you no longer use can be archived to an external drive, while downloads, duplicates and temporary files can be deleted altogether. Remove junk files with Disk Cleanup Windows has a built-in tool (Disk Cleanup) for cleaning up hidden junk files. Click  Start > Computer  (Windows 7) or  Start > File Explorer > This PC  (Windows 10). Right-click your main hard drive (usually the  C: drive ) and select  Properties . Click the  Disk Cleanup  button and you’ll see a list of items that can be removed, including temporary files and more. For even more options, click  Clean up system files . Tick the categories you want to remove, then click  OK > Delete Files . Want some more help with managing your files?  Our friendly tech team can help you with one-to-one support on a range of tech issues. Find out more

###Ten Health Tips for Computer Users### Do exercise in day:  Computer user must remember that move your body part such hand, leg, back and neck every day for 10 minutes. You can also get up and take short walk break in your office time. They must do exercise with a day. Take a break during work: Whole day computer use the 20-20-20 rule. Computer use must take break after 20 minutes or after the 20 second. They must look at something 20 away. Use computer glasses: Computer glasses are the specially made for computer work. Those glasses can allow your eyes to focus on the distance of computer screen. Computer glasses optimize your eyesight at time of you look for digital screen. It also helps you to reduce glare. Use proper lighting: Computer user must incandescent lighting and avoids high-intensity lamps that cast shadows and make glare. Place a dim light on each side of work places to create equal brightness without dark, shadowed areas. Maintain your screen resolution: Co