A CPU (Central Processing Unit) is the chip responsible for actually "doing" most the instructions given to a computer.

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Some basic questions about Processor and OS? [closed]

I need an explanation, I have a computer with a processor : Intel Core i7-3770 CPU @ 3.40 Ghz 3.40 Ghz Does this mean I have two processors with a clock rate 3.40 Ghz each ?? Is this a Core ...
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0answers
81 views

In Google Chrome browser, why does Gmail use so much of the CPU when hardware acceleration is enabled?

Here's a screenshot of the issue. On the right, Windows Task Manager showing high Chrome CPU usage. On the left, Chrome's Task Manager showing it's all coming from the Gmail tab. If Hardware ...
4
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1answer
122 views

Is there a way to reduce the CPU usage of a Gmail tab in Chrome browser?

This is driving me crazy and I hope you can help. Here's a screenshot of the issue. On the right, Windows Task Manager showing high Chrome CPU usage. On the left, Chrome's Task Manager showing it's ...
2
votes
1answer
49 views

If a pin was bent during CPU installation would the machine have started at all?

Realistically, if a Pin was bent during install would it have turned on and ran for 30 minutes or so before cutting out, or would it just have not started even once? The machine turned on first time, ...
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1answer
32 views

which sockets can be used to change cpus?

Since it's possible to replace cpus with the same sockets, for example lga 1150 sockets, would it work on bga sockets too? Or would the cpu go bad?
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2answers
41 views

Getting a new PC built and I have some questions [closed]

In a couple of weeks I will get a new PC built and I wanted to ask if I could re-use some of the old components in the new one, since I'm on a 600- 650 euro budget. The old parts were regulary cleaned ...
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1answer
32 views

How is addressing done of L1/L2/L3 cpu caches vs. ram allocation? [closed]

As cache sizes on cpus increase, how is it managed vs. RAM? Do considerations need to be made while making an application to ensure you're getting the most out of your Cache or is that completely at ...
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2answers
55 views

Can i use android processor like folding@Home to boost an old laptop?

Android devices are so powerful today you can virtually use it as a stand-alone desktop. I have an old Acer 5515 laptop with a single core AMD processor and I also have a quad-code android and i want ...
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2answers
47 views

How much important CPU and Motherboard are in a gaming perspective? [closed]

A friend of mine offered me a GTX Titan X, to include in my current setup. (Potential) problem is : my CPU is an Intel Core i5 3570K (@ 3.4GHz), and my motherboard is a MSI ""gaming"" (what's that ...
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1answer
44 views

Windows 7 comes to a near-halt every week and then flushes memory

I have a very strange issue that's been puzzling me for a long time. I have a Windows 7 system with 16GB RAM. Every week or so, usually at some point during the first few days of the week, and at a ...
3
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2answers
125 views

Building a new PC - PCI-E lanes and how do they work

I'm looking to build a new gaming PC that will last a while. I want to use a PCI-E x8 SSD + GTX 780 SLI in this build. Now i'm looking around on the web to see what i need to support this in terms of ...
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3answers
128 views

Running my laptop without CPU fan for i7 3630M for 24-hour period under mostly light use - what could go wrong? [closed]

My Lenovo laptop (Y500 I believe) has been bugging the living daylights out of me for months. The CPU fan kept going wild, spinning unpredictably, making a horrible noise, and actually slowing my PC ...
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votes
1answer
95 views

Does a faster processor noticeably increase speed in web page serve and load from localhost? [duplicate]

I am a web developer getting a new computer. Right now I am deciding between two laptops - one that has 32gb ram but a slower processor, and one with 16gb ram (can't be upgraded further) but a faster ...
1
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4answers
80 views

Machine too slow

My PC (a Lenovo Laptop) is used for software-development, website-dev, graphics work etc., so there is quite a bit of stuff installed and running. Yesterday I tried to import a MySQL-Dump (100 MB) ...
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2answers
85 views

If a 32 bit CPU has a 64bit bus system, is it 64 bit or 32 bit?

Let's say the internal registers of a CPU are 32 bits wide. But the CPU has a 64 bit system bus and the two separate pipelines are receiving information simultaneously, is it considered a 32bit ...
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0answers
16 views

How can cpu-intensive processes slow down a system despite having a scheduler?

I've encountered it on both Windows and Linux that if some process is doing some heavy work and the cpu is under a lot of stress, the whole system can sort of freeze, other processes get slow, etc. ...
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1answer
192 views

Dell Laptop - 100% CPU usage when using Docking station

Update 2: On further investigation, I have reproduced the issue on my windows side. I put the laptop on the dock while in sleep mode and woke it to find it climbing to 100% cpu usage. removing from ...
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1answer
17 views

A way to tell how much cumulative processing a script uses

I was going to install a script on my web hosting account, and they said they were concerned that it would take too much CPU to run. I know you can monitor the instantaneous use of a process with ...
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1answer
159 views

CPU is hot and CPU fan making very many RPMs and much noise. (CPU fan not listed in speedfan)

On Saturday I replaced the motherboard of my computer because my old motherboard wasn't working anymore. Everything went well, and after some tries my PC was booting and working! I noticed the CPU fan ...
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1answer
227 views

What specs should I consider for playing/streaming 4K to 8K video perfectly? [closed]

I am buying a massive, 4K screen, and might consider one closer to 8K instead. Since these screens are very capable of rendering the full brink of every pixel sent to it by a powerful GPU, what specs, ...
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0answers
58 views

How to diagnose slow (only for awhile after start) Windows 7 machine?

I've got a Lenovo Ideapad, with a dual core Atom processor and Windows 7 that exhibits some odd behaviour. It's insanely slow right after boot. The disk drive will be lit up solid and grinding away ...
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3answers
81 views

CPU temp is hitting 83 C (181 F) in BIOS: Normal?

My BIOS is reporting that my Intel Core 2 Duo E6400 on a Asus P5B Deluxe is hitting 83 C (181 F). No overclocking. I haven't done anything intensive at all. Just to check SpeedFan hits similar ...
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0answers
30 views

What is the proper CPU usage of a process on LInux i.MX6?

I am currently developing an application running on Linux 3.10, for a Freescale i.MX6S (single core). Currently, "top" reports this: top - 03:07:35 up 1:58, 3 users, load average: 0.85, 1.10, ...
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38 views

Do virtual machines not allow all host CPU extensions?

For convenience's sake I'm trying to run an otherwise "regular" installation of Gentoo Linux as a guest inside VirtualBox on a Windows 7 host. I bootstrapped the installation by using VirtualBox, ...
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2answers
47 views

How does a CPU decide which transistors to use? [closed]

Perhaps I'm not thinking about this correctly, but when you give the CPU a command such as Multiply Registers (MR) R2,R4 how does it decide which logic gates it will use, is it just the first gates ...
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1answer
1k views

Intel Dynamic Platform and Thermal Framework Settings - what exactly do they do?

Despite the fact that virtually all modern Dell laptops (and probably others) are supposed to have the Intel Dynamic Platform & Thermal Framework Driver installed, I couldn't find any end-user ...
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3answers
59 views

Will I perceive speed improvement with more ram?

I have a Toshiba Satellite L855-S5240. The current specs are, Intel® Core™ i5-2450M Processor2.5 GHz, (3.1 GHz with Turbo Boost Technology 2.0), 3MB L3 Cache Mobile Intel® HM76 Express ...
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0answers
22 views

Building a computer, no output from on board video after power up

My son and I assembled the whole computer including tower, motherboard, cpu + cooler, graphics card, memory, hard disk, monitor, keyboard and mouse. When we power it up, we saw nothing on the screen, ...
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2answers
207 views

CPU usage is 100% because of svchost.exe windows 7

It has been a while now since my laptop started being very slow and cpu usage is 100% almost all the time. I downloaded process monitor and below is the process details that is taking most of the ...
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1answer
203 views

Windows 8.1 x64 installation without PrefetchW Support?

I'm having Intel(R) Pentium(R) 4 CPU 3.00GHz Processor with 2GB RAM. While trying to install Windows 8.1 Pro 64-Bit i gave me an error saying that the processor is not compatible with Windows 8.1 Pro ...
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1answer
38 views

Adaptive per-user CPU quota/priority in Windows 8.1

We have a workstation computer in the office running Win 8.1 where multiple users remotely run cpu-intensive processes at the same time. The problem is that one user can hog the cpu making all ...
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3answers
204 views

Why is CPU performance calculated in frequencies instead of Mbit/s? [closed]

Why is CPU performance calculated as a frequency, instead of megabits per second? Frequencies are less common in computer terminology.
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3answers
60 views

What does the minimum spec mean in regards to CPU clock speed

Most software provide a minimum and/or recommended spec of hardware in order to the software. Within this list, we're usually informed of a clock speed for the CPU. For example, Visual Studio has, as ...
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0answers
20 views

Speed with multi-cpu motherboard

I'm looking at building a dual-cpu system, but I was wondering if there were any concerns with bottlenecks that I should be aware of since data is going to two different places now. I know that each ...
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0answers
90 views

CPU freezes during heavy processing : Asus Z97C in Linux Mint 17.1

I got a new rig with Asus Z97C, Intel-i5-4690k, Corsair Vengeance 8GB RAM, 128GB SSD, no GPU. I installed Linux Mint 17.1 (based on Ubuntu 14.04.1) on it. Now, when doing something processor ...
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3answers
82 views

What factors other than clock speed influence the performance of a CPU? [duplicate]

Having seen various people test powerful emulators on their computers, I have come to surprise hearing about how one CPU can have triple the clock speed but still have worse single-threaded ...
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0answers
12 views

What are the Physical differences between an AM2 and an AM3 CPU?

What are the physical difference/looks between an AM-2 and an AM-3 CPU/Processor. (Are the pins located differently, are they different sizes?)
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4answers
112 views

Random spikes to 100% CPU lasting several minutes, (intervals, duration, processes) W7 PRO Dell E6400

For the last month or so I'm plagued with often, yet unexplainable spikes to 100% CPU load. Usually then Task Manager shows one or two processes taking 50%+ of CPU (not always the same: svchost, ...
0
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1answer
59 views

Input not supported error in monitor after overclocking the processor

Hi please any help would be appreciated. Here is my PC specs AMD A4-4000, 4GB DDR-3 RAM, windows 8.1+ubuntu 14.04 My trouble started when i tried to overclock my processor by using the gigabyte ...
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3answers
72 views

Can I safely replace a CRT monitor running at (1024x768) with a 21" TFT (1920x1080) HD monitor?

My archaic CRT monitor has a resolution of 1024x768. My GPU is an Intel 82945g chipset, CPU is P4, 1GB RAM running Windows XP. I want to replace the CRT with a TFT which comes with 1366x768 ...
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2answers
60 views

Computer Randomly Powers Off. What's The Cause?

I upgraded my computer a month or two ago now and now every so often, my computer will randomly shutdown (and then restart after about 5 seconds). To clarify, it usually shuts down when coming out of ...
0
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1answer
29 views

How to tell if it's either the CPU or the Motherboard that is bad?

I have an Acer 5536 laptop that won't boot. I've already tested the memory modules and the hard drive and both are ok. The problem is that I don't know how to tell which one is the problem: the CPU or ...
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votes
1answer
45 views

Wrong architecture or manufacturer - conflicting information [duplicate]

This is what I get from the set processor(Environment variable) command in 64-bit Windows 7: PROCESSOR_ARCHITECTURE = AMD64 PROCESSOR_IDENTIFIER = Intel64 Family 6 Model 58 Stepping 9, ...
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1answer
26 views

What is this logic component?

This is from http://www.cis.upenn.edu/~milom/cse240-Fall05/handouts/Ch05.pdf , slide 9. From this diagram, I recognize 0001 as the opcode or ADD. I recognize 011, or 3, as the source register and ...
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1answer
14 views

xfx750i support for intel pentium G3240

I have a XFX750i Motherboard and want to upgrade my CPU to Intel Pentium G3240, or Intel Pentium G3580. So my question is whether my Motherboard will support either of these CPUS??
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1answer
63 views

Which piece of hardware in my desktop is failing?

Almost 2 years ago I built a custom desktop. This week it seems to be becoming inoperable. It's a dual boot system capable of booting to Windows 7 or Windows 8.1. When I sat down at it the other ...
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1answer
61 views

What hardware is needed to support ECC UDIMM / ECC RDIMM

There are 2 types of server RAM's UDIMM unbuffered (or unregistered) ECC (Error correction) RDIMM registered (buffered) ECC memories. The main difference between them is that UDIMM are using CPU's ...
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2answers
66 views

Does MotherBoard limit RAM?

http://www.findlaptopdriver.com/hewlett-packard-09e0h-mainboard-specifications/ ^^ That page lists the specs of my motherboard. It says that it can support 4 x 240-pin DDR2 DIMM slots Supports DDR2 ...
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0answers
27 views

stopping windows from undoing overclock settings

I have managed to overclock my CPU from 2.5 to 3.0 GHz, my BIOS says so at the top. But when I load coretemp after windows boots, it says my CPU is only at the original 2.5GHz. Is this just coretemp ...
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1answer
46 views

High CPU usage on Linux

I have a process that is called gis taking 100% of the cpu (sub-cpu) on one server and 3 % on another similar server (running as HA-pair) All other servers have are using 2-3% of cpu as well Is ...