Computer Info
Posts tagged Computer
How To Select A Computer Technician?
Jan 21st
A computer technician is someone whose job is to maintain and repair computers and servers. A computer technician may be internal or external depending on the size of the organization. Usually large organizations, which have heavy-duty applications with a network of computers and servers, employ their own team of computer technicians.
A person with little knowledge of the intricacies of a computer cannot sort out errors and problems that crop up from time to time, depending on the usage, and this is when computer technicians come into play. There are several organizations, which have a pool of technicians to help you figure out the problem with your computer or even do maintenance for maximum efficiency of the computer. The job of a computer technician, as most people may think, is not an easy one. A person aspiring to become a technician has to go through a rigorous learning and test process.
An exam certified by engineers and professionals is conducted by the organization ExpertRating. This is a 40 minute exam and a person has to answer questions related to computer hardware concepts and repair, memory and storage devices, memory card, ports and expansion slots to name a few. So most qualified computer technicians are capable of handling any problem related to your computer.
There are also specializations in the field and this is necessary in case of core applications such as information systems, data recovery and systems administration when an organization is working over the globe and wants to process the data at once. But speaking in general the repair problems may range from incorrect settings to virus infection to replacing the hardware of a system. This is where the expertise of the computer technician is very handy.
Discussing the Computer Technician Resume
Jan 20th
Introduction of the Job
Computer technicians are becoming increasingly important as the business, educational, and legislative sectors are all becoming more dependent on the establishment, and maintenance of computers and software. Computer technicians can hold a variety of responsibilities such as working in a repair center to service damaged or defective computer hardware and software and working in an assembly line to build computers and hardware components. They can also work at a help desk to assist customers through email, phone calls or real time online support with their computer or software issues. Computer technician positions require the ability to troubleshoot issues regarding hardware, software, operating systems and other external peripherals such as printers.
Key Responsibilities
Help desk based computer technicians are responsible for assisting customers with whatever questions they may have regarding computer platforms and software that are supported by the employer. Computer technicians must therefore be well versed and familiar with all aspects of the products their employer supports so that they can assist customers accurately, effectively and quickly. Computer technicians working in repair centers are responsible for installing, maintaining, and repairing software and hardware components. Regarding defective hardware and external computer components, the computer technician must be able to diagnose the cause of the problem through testing and other diagnostic procedures prior to repairing or replacing the defective components. The computer technician may also be responsible for corresponding with the defective component’s vendor directly if the repair requires information or parts from the vendor. Computer technicians working in repair centers may also assist customers by updating software and troubleshooting problems with applications.
Level of Education Required
Top 10 Computer Sound Card Problems and Troubleshooting Tips
Jan 18th
Sounds card problems that do not always require a replacement card or a new driver can be difficult and frustrating to resolve. Learn more about partial sound card failures and how to resolve them.
Fault 1: quiet sound
1. Speaker power opened? Speaker wire inserted yet? If you have headphones, you can use headphones to test.
2. To set the “quiet” it? Click the bottom right corner of the sound small icon (a small loudspeaker), there volume control slider, below the “mute” option, click the front of the check box, clear the check mark box.
3. The volume moved to the minimum? The volume slider in the above,drag it up.
4. Is after installed Direct X that the sound card can not be audible ? that means this sound card is not compatibie good with Direct X,and need to update the driver.
5. Is a channel mute it? Check the sound card to frequency line of speaker audio cable whether have the broken line.Check the master volume control panel inside the “acoustic” and “master volume” buttons adjust the balance is not in the middle. I once changed the winamp settings becomes a channel, then change back and it’s ok. Another time was not plugged the audio cable,also presents a sound track.
6.Have installed the sound card drivers? Installed correctly?
Before conducting operations, first of all is to be ready to sound card driver disk and the installation CD of operating system (here we Win98 example), and then follow these steps:
The first method is automatically added to the sound card:
First, right-click “My Computer”, select “Properties” command, then click “Device Manager” tab, select “View devices by type.”
Second, the “Sound, video and game controllers” were marked with a cross or exclamation mark items which should be deleted, then click “Refresh” command or restart the Canon BP-827 computer.
Third, Refresh (or restart the system), the system will generally find new hardware, and the emergence of a new hardware dialog box asks you to install the drivers for it. Asked the driver path in the time, please insert the appropriate disk drive, and then click “Disk” button. In the pop-up dialog box, enter or select the disk drive letter (of course, you can click “Browse” button in the dialog that appears select the drive letter and path to disk), click “OK” button, the installation driver.
Driver installed, the operating system will find their own sound card, and then automatically install the driver that best matches. If the sound card still can not sound, can be in the “Device Manager” remove “Sound, video and game controllers” the following items, then use Method 2 to install the driver.
Dvd Burner Hardware Lets You View Movies on Any Computer
Jan 17th
At this time, DVD Burner hardware holds a place of great popularity in the technology industry. Now standard fare on nearly every kind of computer and laptop, DVD Burner hardware was once considered something of a marvel. Users now have newer functions available to them that expand the enjoyment of their machine that has been made possible by this hardware. This has resulted in greater commercial success of the machine.
In order to copy information from one DVD disc to another, DVD burner hardware is necessary. The manufacture and selling of disks brought this ability into existence and has now developed an interface that is user-friendly. Producing movies and TV shows in mass quantities has been made possible by DVD burning equipment. It is fairly easy to make copies of your DVD’s with the help of the right burning hardware. The quality of copy shows virtually no image loss from the original, depending on the hardware and software used, and a longer life span than VHS copies.
Families now have another venue for staying in touch besides the usual cards and newsletters due to the capabilities provided by DVD burner hardware. The ease of shipment makes home movies easy to enjoy. Adding quality boosting features and cleaning up home movies are also possible with DVD burner hardware that comes with editing functions. Converting home videos from VSH to DVD pretty much requires the special equipment. VCRs are getting harder to come by and harder to fix due to the fact that they are being phased out. But family videos can still be preserved and enjoyed by family and friends because of the ability to easily transfer them to DVD with the right hardware. Because DVD hardware makes recopying and sharing DVDs so easy, the closeness of families is enhanced. Another important advantage is that important videos can avoid being lost forever because they can be copied and stored in multiple secure locations very easily.
Computer security and its main threats
Jan 16th
Computer securityis associated with data, information and other important documents saved in a computer system and it applies to protection of these valuable facts, data and information overall the owner’s property from being damaged theft and its losses in anyway. It maybe theft or damaged by some individual or by accident or from any natural disaster or calamity. It is also one of the most important tasks or factors we consider when we use a computer system.
There are many factors when we talk about a Computer securityand we need to know all of them and how to deal with them and how to curb these security threats from various sources we receive very often. Before we discuss how to protect a computer system we need to get acquainted with the fact what exactly these threats are so that the solution will come automatically if once we know what are the factors they may cause a bad effect to a computer system or properly.
Here a point which is very important to be mentioned and that is a computer system can be an individual or for an enterprise or organization. As per the usage and requirements an enterprise can decide its policies and protection methodologies that maybe drastically different from an individual or stand alone Personal computer. We also need to keep the point in mind since a computer system is consisted of hardware, operating system and various other application software. Thus we will be focusing here only about windows based operating system and its security threats and measures.
In nut shell now we can say that the Computer security is a process to preventing and detect unauthorized use of a PC or a computer system. These Prevention measures help us to stop unauthorized users or intruders from accessing your computer system. Detection helps us to determine whether or not somebody attempted to beach into your system, and if one gets successful, so what they may have done.
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