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

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Why is my laptop both dual core and quad core at the same time [duplicate]

I bought an Alienwaremx14 with the following specifications , it is clearly stated here that my CPU is dual core However when i open Window task manager , I was shocked to find out I had four CPU ...
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2answers
69 views

Upgrading my motherboard completely [duplicate]

I have a terrible motherboard: Manufacturer: Foxconn Model: 2AB1 Chipset: AMD 785G Southbridge: AMD SB700 Brand: American MegaTrends INC. It wont let me overclock my CPU, so I've decided to upgrade ...
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1answer
59 views

How to speed up my computer? [closed]

I just bought new computer last week. This is my computer information: Operating System: Windows 8 Pro 64-bit; Intel Core i5 4570 CPU 3.20GHz (4 CPUs) ~ 3.2 GHz Memory: 4GB RAM, page file 12 GB ...
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1answer
37 views

MIPS as a measurement of raw integer data processing

I'm looking for a way to contextualize generational differences in computing performance. Is this a correct application of the MIPS measurement? MOS 6502 - 0.500 MIPS at 1 MHz. As an 8-bit CPU it ...
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1answer
40 views

Why wont my i5 fit my MSI model P67A-S40?

The quad i5 I bought for my new desktop is an i5-4670K LGA1150 My motherboard is a MSI P67A-S40 Core i7 socket 1155 Motherboard w/ Intel P67 Express Chipset USB 3 Does the fact that Core i7 is ...
0
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1answer
58 views

Computer Build for VM's: Slow behavior normal? [closed]

I've custom built a computer for work. The main idea (for security reasons mostly) is to use one VM exclusively for work (mainly 3rd party windows applications that work with PostgresSQL) and another ...
0
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1answer
48 views

How to overclock CPU using only FSB?

According to my BIOS the CPU temperature and the system temperature are 16°C and 18°C respectively for Idle on stock air cooling. (It used to be 40°C and 48°C when I kept my computer inside a case. ...
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282 views

Low CPU performance with low usage and clock - Windows 8.1

I recently deleted everything from my PC and reinstalled Windows 8.1 from scratch. When I first booted into Windows everything was extremely slow though the CPU usage was very low (about 1%). After ...
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43 views

SHCreateStreamOnFileEX thread in explorer.exe using high cpu

My computer: Dell, i5 2410m CPU , Windows 8 OS Symptoms: -when windows explorer is running, high (~ 40 % ) CPU usage. -explorer, or the desktop does not refresh automtically What I've found ...
0
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1answer
14 views

How does multi-core architecture work with regard to parellelism?

I think I am correct in saying that scheduling is the/a main principle of the single core CPU, where the CPU is interrupted when switching from processing one set of instructions belonging to one ...
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0answers
74 views

Malware on my Linux? Cant see on top/htop but CPU/Mem Usage is high

Over about the last week or two, I have been seeing something odd with my Linux mint PC. Over a day or 2, at some point, my CPU usage hits and saturates at or near 100 at some point (according to my ...
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52 views

PCI-Express Processor/Co-processor cards

I am hoping someone might be able to help: In the days when I started with computing (C64 and later Amigas) expansion slot cards with co-processing ability were relatively common. I am looking for ...
2
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1answer
215 views

Can I use both my internal and external graphics card in same system?

My motherboard has an integrated ATI Radeon HD 3000 graphics and I had Nvidia GT 610 2gb external graphics card as well. I'm having a Gigabyte GA-78LMT-S2 Motherboard, AMD 4 GHz AM3+ FX-4300 Four-Core ...
0
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1answer
95 views

What is the difference between “Memory address” and “Program counter” registers?

What is the difference between "Memory address" and "Program counter" in CPU registers?
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0answers
31 views

HP Z-600 Workstation does not use all RAM or cores

I have an HP Z-600 Workstation running on Windows 7 Professional w/ a NVIDIA Quadro 4000 Graphics Card, 48 GB RAM and (2) 6-core processors for a total of 12 cores. When I perform a heavy operation ...
6
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1answer
900 views

What does the MHz of RAM really mean?

Countless of times I've heard and read that RAM-memory can have different speeds - denoted as MHz (e.g. 1066 MHz). However, what this frequency really is has never been explained to me and I'm having ...
0
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1answer
31 views

CPU Cooling fan trouble on Notebook

I'm using lenovo IdeaPad Z370 I just cleaned my fan and replaced thermal paste but the temperature still heating. based on Psensors the temp very high: I checked the fan again, I keep the back ...
0
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2answers
49 views

Playing music while compiling code lags the music, what kind of laptop CPUs avoid this? [closed]

When I play music while compiling code on my laptop (Intel Core 2 Duo T8300), the music stutters and lags. In terms of laptops, what Intel CPUs are capable of compiling without interruptions in my ...
0
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1answer
55 views

Which is the biggest number of cores in a processor which is available on the market? [closed]

I know about single core,dual core and quad core processors,but I have no idea how many cores a processor could have at the moment.I mean,are there octa core,deca core or even better processors ...
0
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0answers
20 views

DSP working at 100% - Will a Sound card upgrade fix that?

As the title suggests, I'm doing some editing in Ardour and during the export, the status indicators in the top right corner states the DSP unit consistently working at 100%. This definitely shows ...
0
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1answer
106 views

AMD Phenom II x4 940 Black edition Pinout?

So I got an AMD Phenom II x4 940 Black Edition. The number on it is HDZ940XCJ4DGI. It uses an AM2+ socket. I think the important part is the socket, but I'm not sure. I'm trying to find the power and ...
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2answers
89 views

/proc/cpuinfo doesn't show CPU frequency at all

/proc/cpuinfo doesn't show CPU frequency at all. I built the kernel on my own. Did I miss some kernel configuration? pi@raspberrypi ~ $ cat /proc/cpuinfo processor : 0 model name : ...
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1answer
588 views

Ubuntu 13.10 High CPU Usage

I recently installed the latest version of Ubuntu. It runs great but there is one problem. Very high CPU loads. When I have chrome open, the computer is commonly running at about 50% load. When ...
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1answer
47 views

Will I see an increase in performance if I use Windows 7 Professional over Home Premium? Regarding multiple physical cores

I have 2 physical cores and Home Premium specs say it only recognizes one but Pro recognizes multiple. If I swap out my Home Premium with Pro will I see an increase in performance? I have an Intel i5 ...
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2answers
84 views

What do I need to know before upgrading the CPU of a laptop?

I have an AMD laptop, which has AMD APU (e1-2500). I don't really like the speed of it and would love to upgrade to faster APU. There are some AMD APUs available in ebay. So the question is: What do ...
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1answer
14 views

Is there an emulator (VM) out there that can “restrict” processing power?

I've developed some JavaScript to test the ability of a computers processing by comparing "perfect" times (0 lag, doesn't exist) and "real" times (how long it actually took). Now I need something to ...
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1answer
42 views

will my intel mother board support core 2 quad processor?

i have Intel motherboard "dq41rq" and i want to update my processor to core 2 quad ones. currently i have core 2 duo 2.93 GHz speed. i searched Google but i cant find if my mother support core 2 quad ...
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4answers
165 views

Why are the number of cores in a processor normally even

Whenever i look at specifications of the processor , the number of cores is always 2 , 4 ,8 . Is there any reasons why the number of cores are always even and not odd like 3 , 5 , 7
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24 views

My PC crashes without any message

Is aerocool e80-500W compatible with Haswells? Motherboard: asrock z87 extreme6 CPU: i7-4770 RAM is compatible with this MOBO. I disabled C-states in UEFI howerver it crashes sometimes CPU is not ...
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0answers
45 views

CPU temperature sensor suddenly freaks out

Today when I started up my machine, the 100% fan speed remains unchanged. Apart from being worried about my CPU, the noise of 100% working fan drives me crazy. I did some tests and it confuses me. ...
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25 views

minimum allowable CPU speed

How can I determine the minimum allowable speed for my CPU to run the computer. Having the option to reduce the CPU to 0 is not logic nor allowable in Win8. Even if you set the Max. processor ...
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4answers
409 views

How to find out the total number of virtual core your CPU has

This is the specification of my computer however i have problem finding out how many virtual cores are there in total . I would like to know if there is any command in windows 7 which would help me ...
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34 views

Imac G5 fan running very high

I have an imac G5 24" 2.66 Ghz intel 640 GB hard drive with WD 1TB external 2 core duo. I had damage the unit in a move took it to best buy geek squad service and they replaced the lcd with one I ...
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1answer
46 views

CPU fan sounds like jet engine

I have imac G5 24" intel 2.66 Ghz early 2009 model A1225 Running Mac OSX 10.9.2 version Mavericks The unit was damaged in a move. Replaced the LCD and Hard drive temp sensor, have to start in safe ...
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2answers
46 views

Is there a way to manually tell OS X to allocate additional resources to processing for an app?

I know that in some cases, opening up multiple instances of an app will get the job done, but I'm looking for a way to essentially tell OSX: "If I'm running a process that will take awhile, and there ...
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2answers
52 views

i5-4670 in a mITX build [closed]

I'm assembling a rig for multimedia production, running programs like 3Ds max and CSS Suite. Going for the i5-4670, no OC required :) My build only needs a SSD and a HDD. Will 450W be enough ? Can ...
0
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1answer
76 views

Who starts updatedb process and why it uses 700+% CPU?

I have a VPS running CentOS, and recently its CPU usage goes over 700% for two times already. It always turns out to be a process named "updatedb" (as show in the figure below). After a quick ...
2
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1answer
67 views

Weird alarm sounding on my computer when under load, but no overheating

I am having a rather odd hardware issue and to be honest, I am not quite sure what is causing it. I have been building my own systems for over 10 years and have all kinds of qualifications, but this ...
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3answers
539 views

CPU overheating, the fan won't speed up, but it's not the fan

I have 2 identical PCs, with the only difference being the GPU. One of the CPUs is overheating without the fan going up in speed, but if I gently press the fan manually, it speeds up as it seems to ...
0
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1answer
15 views

Will a phenom x6 Thuban fit in a K10N78M Pro?

TL;DR Will a phenom x6 Thuban fit in a K10N78M Pro? Or Will an AM2+ socket with AM3 support, yet doesn't list the specific model CPU support it as long as very similar models are also stated as ...
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3answers
97 views

Quad-CPU vs Dual-CPU AMD performance difference [closed]

important note: in this text - CPU is a CPU (processor, physical object) and CORE is a CORE (invisible, inside cpu)... Quad-CPU systems are expensive, and there is not so many information about them. ...
2
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1answer
76 views

Does running constant load help degrade life of a computer? (Ignoring heat generation)

I run Folding@Home on my laptop (2013 MacBook Pro, no GPU). I tried to convince a friend of mine to join me but he claims that running the program will degrade the life of the computer - making it ...
0
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2answers
91 views

Sometimes when I check my CPU usage, my 2nd CPU (#1) is stuck going around 90% while the others are around 20% max

i have checked the 'affinity' of all my processes and all of them are set to all CPUs, yet I check my CPU usage and my 2nd CPU (it's called #1 because my first CPU is #0) is jumping around 90% and ...
0
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1answer
89 views

Laptop CPU frequency never higher than 40% of maximum

I have a Samsung 900X4C (9 series) laptop with an i7 3517U 1.9 GHz CPU. I have noticed (using CPU-Z) that the actual frequency of the processor never goes above about 40% of the maximum. Now, I ...
2
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1answer
64 views

What does PCI (not PCI-E) bus speed of 66MHz really mean?

According to this article , the bus is the circuit that connects the motherboard . The faster the speed of the bus , the quicker data can be transferred . Bus speed is measured in MHz (Mega Hertz) and ...
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Resource balancing between users?

I have a cluster of Linux computers that are shared by many users and want to ensure that no user can flood the systems and effectively prevent others from running anything. i.e. If user A is running ...
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3answers
62 views

Normal CPU compared to Turbo frequency?

When I look at the Intel CPU's i5-4570T and i3-4340, the main difference seams to be Processor Number i3-4340 i5-4570T # of Cores 2 2 # of Threads 4 ...
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0answers
30 views

need to find a matching motherboard for Xeon E7330

i'm intending to buy computer parts and assemble a complete pc. i search found this processor on ebay which i would like to buy. i need to know the relevant motherboard for this processor to buy on ...
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0answers
22 views

Computer suddenly turns off due to my new monitor?

I bought a new LED 19" monitor. but after a week, my computer is turning off automatically. I placed my old CRT monitor and nothing happens. Is this about the new monitor? Processor: AMD Phenom II ...
0
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1answer
30 views

How does an instruction in a CPU report that is has finished?

When an instruction is sent to a CPU, that may take multiple clock cycles to complete, when does the CPU know that the instruction has finished and can start processing the next one? I'm mostly ...