TCP/IP

I learned that the LLC sublayer of Data Link layer is responsible for Error Detection and Error Correction. However, while I read some articles, I found out that the transport layer carries out Error Checking. I'm really confused about this.

I'm learning about TCP/IP and it's role in the different network topologies but I can't really find any info online and it's for my IT coursework. The topologies are Mesh, Bus, Star, and Ring which are covered in the spec.

I currently managing 2 POS Devices in a Restaurant. The POS is using Windows 7. 1 POS located on the first floor has a printer connected via COM1 port. The printer itself has an LPT Port, the printer comes with an LPT to COM Port. 1 POS located on the second floor doesn't have any printer...

I have an old Sony VAIO PCG-7121M, It works well for my need but it started showing red stripes while booting and windows are reporting faulty graphics card (Nvidia 8400m GT). Because laptop is working except for apps that need dx or anything with graphics I was wondering if maybe just needs...

Hi, I'm looking for a bit of advice on what cpu/mobo to upgrade to for as cheap as possible? core i7 920 C0 running at 3.8 Ghz Asus p6t mobo Hyper X fury 2x8Gb 1600Mhz rx480 4GB at 1320 Mhz 500GB SSD 60Hz monitor Looking for best performance gaming ie PUBG. Wondering whether its worth...

Nextbook Ares 10 A I had the tablet for months sitting in my closet with other unopened items good gifts I say. Don't have receipt for activation. Can u help me unlock it. Please and thank you. And thank you again for accepting me to this forum.

what does game installation speed depend on .. i mean what pieces of hardware can make huge difference in speed of installing repacks and games .. does it depend mostly on HDD or Ram or processor or what ? ..

I have 5.1 sound on everything from tv box to Bose but l can not get Netflix 5.1 just pcm

hello every one this is my first time asking for a personal issue , usually i find others who have the same problem and i see the feedback but this time things are different the story my gtx780 was working 100% until i put it in my desk and for a week the sun was hitting him ( my window block...

Custom build died recently. Diagnosed motherboard failure. Took it as an opportunity to upgrade cpu and GPU while I was at it. Now the computer boots and is totally functional, but only recognizes my SSD. I did some troubleshooting with the original Seagate barracuda (ie different cords and...

Hi I currently have a gaming pc and want to also get an Xbox One S to game on the same monitor. This is my monitor: https://www.scorptec.com.au/product/Monitors/25plus-inch/61282-PG279Q Will an xbox and pc be able to be switched between on this monitor. If so how would it work?

Everybody know electronics design & manufacture doesn't come from nothing, like: nvidia cooperates with TSMC to design and manufacture GPU chipsets and with Samsung to get vram chips, while AMD works with global foundries to design & manufacture GPU chipsets and cpus. Mobiles manufacturers...

Please advise how to erase write protection from my USB flash disc 16gb

Hello. I unscrewed my processor today to replace the Thermal paste. I screwed it back PROPERLY. Then I tried to start my PC and some kind of continuous sound started coming from mobo! It was not the beep from buzzer. I quickly turned off the power and checked that all the cables are firmly...

So I upgraded from an Fx CPU to Ryzen, got an ASUS B350, Corsair Vengance DDR4 RAM and the R5 2600 processor. Mouse and keyboard work in the bios but not on windows itself. In fact if I let the computer load it sets on the desktop for about 2 minutes before giving me a BSoD. The BSoD I'm...

I upgraded today from a noctua nhd-u9s to nhd 15s, I run an i7700k at stock but my temps did not change at all. I have the be quiet silent base 800 case with my cpu fan blowing air to my back fan. I don't know If it's an airflow problem or if I screwed up the thermal paste or what else could it be?

So I've been trying to install 4x4gb ram for a while now. So far from what I've Googled, there shouldnt be a problem with my specs. Computer runs perfectly fine with 2x4gb. When I install 4x4gb the computer turns on, but the monitor,keyboard and mouse arent "recognized" aka not responding...

So this is an interesting question but, a question nonetheless. My Friend is willing to sell me a 970, I forget which version but it isn't the base version, for only 100 bucks. This sounds like a killer deal but there is some baggage. His old PC had a 970 in it but after about 2 years the 970...

can any one please help me touchpad n wireless is not working where can i find the drivers even grafic driver too

Good noon to you guys. I'm currently planning on opening my own Battlegrounds pc cafe in the Philippines. Majority of my customers will be playing PUBG, Fortnite, Dota 2, and CSGO. I was supposed to purchase the gtx 1050ti but when i chexked it recently 1 gtx 1050ti now costs $250 and that's...

Hi, i recently finished a used parts build. Specs: FX-4350 with wraith cooler, the biggest one (without that rgb ring) 4GB DDR3 ram (checked, no problems) GTX 760 192-bit be quiet! L8 530W CM m5a97 pro (newest bios) crucial 275GB ssd It freezes randomly, requiring hard reset. During videos...

I am wondering when the Volta series are going to be coming in 2018 or if it is coming out this year. I am think about getting a 1050 2gb right now and then I heard a lot of things about Volta coming out soon. I was also wonder what the release price is going to be and I am wondering if it would...

Netgear wnda3100v 3 is disconnecting from internet over and over never had problems with it till recently. I tried the power savings thing and the driver is up to date. At first it seemed good, but now it seems though everytime i begin to download something or browse the web for a few it...

Hey, I was looking to upgrade my intel pc build into a ryzen 3, I need some help with the compatibility of some parts, since it's my first time building AMD. The parts I need help with are: Crucial® DDR4 8GB 2133MHz M/B AMD A320M-C (AM4) AMD® CPU Ryzen 3 1300X (AM4) Are these parts...

Hello. I recently found out the my CPU (Ryzen 1500X) has been running at either 3504 or 3503MHz, always different when i turn on my pc. This started happening when my cousin went on my pc and overclocked it to 3800Mhz, perfectly knowing I have the stock cooler and with little thermal paste on...

Hi guys, Struggling to find a new motherboard. Recently acquired another hd7950 and want to run it crossfire with mine but need a new mobo as mine only has one pci slot. My cpu is i5 5670K . Had come across this (https://www.amazon.co.uk/dp/B00K8KLW3G/?tag=pcp0f-21) and was wondering: a) is it...

Hi, I'm looking to put together a build for around £400 for my 10 year old brother for Christmas. He plays a lot of games like Minecraft and Roblox, but I'd like it to have the capability to play some current games ideally. Room for expansion and upgrades would be great too! Thanks, Connor

I just built my first pc a while ago and I'm looking to upgrade the cpu and gpu in the coming months but can ONLY do one at a time because of financial reasons. I got a core i3 7100, gtx 1050 ti, 500w psu, 16gb ram. I'm looking to get a gtx 1070 or 1060 6gb and an i7 7700(non k). Should I go for...

About 4 months ago while watching netflix I noticed the video looks choppy, similar like when you play a video game without the Vsync on, when there are rapid movements you can actually see the lines, I did some fixes on the chrome (and also tested netflix in firefox and opera and the problem...

I built a PC recently specs are: Ryzen 1700 (OC @ 3.875, cooled with NH-D15) GTX 1080 Gigabyte AB-350 Gaming 3 16 GB RAM (ddr4, 2666 Mhz) 500 GB SSD / 2 TB HDD AOC 28 u2879vf (4k, 1 ms, 60 Hz) Antec 900w 80+ Bronze I just finished playing Wolfenstein The new order and installed GTA 5, I was...

I did some basic google searching and could not find the answer to this very newbie question. I am a new enthusiast and ordered all my parts for a Threadripper build. A couple people have messaged me asking "What radiator are you going to use?" and someone posted "I'm going to have a 42mm (I...

Hello, I am in the market for a 2k displayport monitor. My budget range is $600usd and lower. What I'm looking for in the monitor is 2560x1440 resolution and a screen size of at least 30inch. Refresh rate doesn't have to be 144hz but a higher refresh rate is preferred. Im not worried about...

If I build PC specs like this can last how many years? for type AAA game specs part PCPartPicker part list / Price breakdown by merchant CPU: Intel - Pentium G4560 3.5GHz Dual-Core Processor ($78.89 @ B&H) Motherboard: ASRock - B250M Pro4 Micro ATX LGA1151 Motherboard ($74.99 @ SuperBiiz)...

Recently built my first pc specs will follow below I purchased a i7 7700k and im not very impressed with the temps on idle or load have friends with 6700k that get about the same performance but with much lower temps I currently have a Asus z270 prime mobo and wasnt sure if I could swap the cpu...

I have a GeForce 1050 Ti that I'm trying to overclock but can't change the core voltage, it's grayed out. I enabled it in settings and checked unlock voltage control and restarted like it said but it didn't work I also restarted my whole PC and that didn't work either, it's still grayed out...

Why would a graphics card have a 8 pin plus a 6 pin power connector? Its for the Saphire Nitro+ RX580 and the 1x6 pin says its optional on the website. Never seen this before so just was curious. Second question is would you go with the MSI RX 580 Gaming or the Saphire Nitro+ if they are the...

Okay. I have 600-700$ right now. Recommend me a good build that i can play games such as GTAV, Ark, PlayerUnknown, etc, at a good quality with reliable FPS or a PC that can do jsut as good

Hi. I I'm having a problem with my PC, not really sure what is causing it but I can say what isn't. When I play Rise of the Tomb raider, GTA V, Witcher, basically games with high graphics (and even some low graphics games) I notice weird rendering of shadows, hair, fine lines and edges. Here...

the company offers this for people that goes to event itself the cheapest ticket is $60 aud for saturday and this is the offer http://image.prntscr.com/image/34ad71985cd74d65b3d2794e6c78b25b.jpg

I have an issue with my PC that I was hoping someone could help with (MSI MS-7519 with an intel quad core 2.67 processor). Note, I am not a gamer, I just use my PC to browse the net and as storage for my phone/pictures.. A few months back the PC started to switch off every now and then...