Prepare and practice for the CompTIA A+ exam in a brief manner with these flashcards and revise the concepts related to it.
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Cards In This Set.
| Front | Back |
|---|---|
| Which of the following materials should a computer never be placed on? | Carpet |
Just so, How do you place on a computer?
Sit back in your chair at an angle of around 100-110 degrees (i.e. slight recline) and hold your right arm out horizontally, your middle finger should almost touch the center of the screen. From that starting position you can then make minor changes to screen height and angle to suit.
What can I put under my PC on carpet? Get some wooden blocks or something to elevate it off the carpet, even old books should work. Static electricity has nothing to do with it. A computer just sitting on the floor isn’t going to be building up any static, and the case is grounded anyway. The potential issues would be airflow, and maybe dust.
Similarly, Is it OK to put something on top of PC?
Go for it — there’s no crime against putting a printer or other items on top of your tower, and it’s hard to organize your space productively in a cramped office work space. That said, it’s important not to damage your hardware while trying to optimize space.
What is the right placement of keyboard?
In the proper position, the keyboard should be placed just above the level of your lap. This is lower than most people normally place their keyboard, but lets your arms tilt downward while using the keyboard, leaving your elbows at a comfortable “open” angle.
Should I plug my PC into the wall?
If you don’t have a surge protector, you can plug the computer directly into the wall. However, this is not recommended because electrical surges can damage your computer.
Why shouldn’t you put your PC on carpet?
Carpet Can Block Airflow
Modern PC cases usually aren’t completely flat on the bottom. … If you place your case on some thick plush carpeting, the carpet might block some of that airflow. This is very bad if the air is supposed to flow into or out of the computer through the bottom of the case.
Is it bad to put a laptop on carpet?
While putting your laptop on a carpeted or hard-surfaced floor for just a few minutes probably won’t lead to the building catching on fire, it’s best to avoid doing so for any length of time. Overheating can decrease your laptop’s performance and cause internal damage.
Can I lay my desktop on its side?
Desktop computers can be configured as a tower case as shown in the picture or a desktop case. With either type of computer case, the computer is designed to be set on its bottom and not on its side.
Can I place monitor on CPU?
You can place your computer monitor on top of the computer if you need to raise it up to meet this height requirement, or you could manipulate your chair up and down accordingly. With a monitor that is larger than 20 inches (50.8 cm), consider positioning your monitor 3 inches (7.6 cm) above eye level.
How do I dust my PC?
Use compressed air and a lint free cloth to blow and wipe any dust build up you can see. Pay particular attention to any crevices, plastic shrouds, and heat sinks. Thoroughly clean any dust filters too. To clean fan blades, hold them steady and wipe or blow each blade individually.
How often should you clean your PC?
Heat is your computer’s worst enemy. Over time, dust buildup inside your computer could undermine its cooling efficiency, resulting in shorter life spans for your computer’s components. To help keep your computer running cool, clean the inside of your computer every 6 to 12 months.
Should arms rest on desk while typing?
Your arms should hang freely while typing, which means you need to get those armrests out of the way by moving them left or right away from your body. Money invested in a solid adjustable chair will go a long way in preventing RSI injuries.
Where do my fingers go on a keyboard?
Your left-hand fingers should be placed over the A, S, D, and F keys, and the right-hand fingers should be placed over the J, K, L, and ; keys. These keys are considered the home row keys. Your thumbs should either be in the air or very lightly touching the spacebar key.
Where do your thumbs rest?
Your thumb must rest on the Space bar.
Should I plug my PC into the wall or a surge protector?
If you want to protect your gaming PC and equipment from power fluctuations, you have to plug them in the right way. Put down the dollar store power strip and slowly back away. The short answer is no, power strips do not protect your PC from any sort of electrical fluctuations.
Is it OK to plug PC into an extension cord?
Yes, you can plug a PC into an extension cord because computers do not draw enough current to present a danger. That applies to laptops, desktops, and Mac computers. In fact, computer owners do this so frequently that many people don’t even question the practice.
Why do we need AVR?
The AVR regulates voltage variations to deliver constant, reliable power supply. Without an automatic voltage regulator, voltage can sag, spike or surge and damage electrical devices.
How often should I clean my PC?
Heat is your computer’s worst enemy. Over time, dust buildup inside your computer could undermine its cooling efficiency, resulting in shorter life spans for your computer’s components. To help keep your computer running cool, clean the inside of your computer every 6 to 12 months.
How do I clean my computer without compressed air?
Luckily, there are many alternatives to compressed air that can remove dust just as effectively. We will consider a few different options, but our favorite method is the cheapest and easiest: using a small brush (toothbrush or paintbrush), cotton swabs, and rubbing alcohol.
Can I put my PC on plastic?
depending on how you use the pc “gaming or just surfing ” sometimes the more is good but it may get loud from the fans . the plastic table should work ad long as it will take the weight also you might have to run a wire from the mobo to the side of the psu so it gets a good ground .
