Kamis, 14 November 2013

What is the diff between a TFT-LCD and LCD monitors? Which is good for eyes in terms of long working?

Q. I wanna buy a 19" LCD monitor and currently weighing between HP and Samsung monitors. All HP monitors are called LCD monitors as per the package details as well as per their website, while all Samsung monitors are called TFT LCD Monitors. I am a bit confused, as I work a lot on PC, I would like to protect my eyes and health. Can someone help me with correct answer?

A. LCD monitors use Liquid Crystal Diodes.

TFT is an LCD monitor that uses Thin Film Transistor technology.

Other types are:
TN+Film - Twisted Nematic
IPS - In Plane Switching
MVA - Multi-Domain Vertical Alignment
PVA - Patterned Vertical Alignment
S-PVA - Super Patterned Vertical Alignment.

TFT is the most common today, and LCD is accepted as being TFT-LCD. Usually you only see a differentiation if it's one of the other technologies. The other types all have their advantages and disadvantages, but TFT is the cheapest to manufacture today.

For your eyes, you want an LCD. LCD's are on, and change when they change vs. a CRT which has a refresh rate. In a CRT, the phosphorus is charged and glows, but then dims very quickly. The refresh recharges it, but there is a dimming and brightening affect. The higher the refresh rate, the less noticable it is to you.

Within an LCD, if cost is no object, you want an IPS (better) or S-PVA (best). They will have the highest contrast ratios and brightest screens. Be prepared to pay, and pay well for this luxury though.


What kind of powersupply do i need for a Vishera and GTX 760 4GB SLI ?
Q. This is my build right now.

CPU : AMD FX-8350 Vishera 4.0GHz (4.2GHz Turbo) Socket AM3+ 125W Eight-Core Desktop Processor

MOBO : ASUS SABERTOOTH 990FX R2.0 AM3+ AMD 990FX SATA 6Gb/s USB 3.0 ATX AMD Motherboard with UEFI BIOS

RAM : CORSAIR Vengeance 8GB 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model

HDD : Seagate Barracuda ST1000DM003 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive

DVD : ASUS DVD Burner 24X DVD+R 8X DVD+RW 12X DVD+R DL 24X DVD-R 6X DVD-RW 16X DVD-ROM 48X CD-R 24X CD-RW 48X CD-ROM Black SATA Model

VIDEO CARD : x2 EVGA 04G-P4-3768-KR GeForce GTX 760 FTW 4GB 256-bit GDDR5 PCI Express 3.0 SLI Support Video Card w/ EVGA ACX Cooler **IN SLI**

CASE : NZXT Phantom 530 Black ATX Full Tower Computer Case Includes 1 x 200mm Front, 1 x 140mm Rear 2 x USB 3.0 Fan Controller

CPU COOLER : Its between the NZXT Kraken x60 & Corsair h100i

SCREEN : ASUS MX239H Silver / Black 23" 5ms (GTG) HDMI Widescreen LED Backlight LCD Monitor, IPS Panel 250 cd/m2 80,000,000:1 Built-in Speakers

I am planning to do some overclocking hopefully on CPU, RAM, and the 760s. I could use some tips as well. And i will be fitting the case with the needed fans to keep these babies cool. With all of that in mind what kind of power supply do i need?
I need a 750 watt? Then i just rather get this one since its fully modular and it has all sleeved cables!!!!
It has a slick look and several people have it. I personally prefer corsair but in this case the fully modular and the sleeved cables win the battle.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817207029&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=
Does overclocking affect anything? Will a 750w PSU handle the overclocking on the CPU, Ram, GPU? And which cooler should i get?

A. 750w+ that has a bronze or better rating.





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