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

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I want to clear my doubts about RAM speed?

My processor' frequency is 1.7 GHz and i want to add 4 GB RAM to my system.I want to know that RAM what speed should i buy so that it is compatible with my processor and why ??
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9 views

CPU and Memory Usage: Connect and disconnect [on hold]

I'm having problems with consumption of the CPU and the memory. What of these options would help me to consume less? Option #1 Connect to sql server, execute the sql command and disconnect once it is ...
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1answer
8 views

High CPU usage and very slow performance with Eclipse

I have a very strange situation with my computer. This is Win10 with both jdk8 x86 and jdk8 x64 with 16GB ram and 3.6GHz i7 processor. I develope with eclipse ide and tomcat webserver. I have the ...
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4answers
30 views

How much benefit will I get if I add another 4GB ram to my Laptop?

I am using ASUS K55A-series laptop. Specification: Intel® Core™ i3 3110M Processor ( 3rd generation) DDR3 1600 MHz SDRAM, 2 x SO-DIMM socket for expansion up to 8 GB SDRAM Integrated Intel® HD ...
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1answer
51 views

DDR2-800 (PC2-6400) RAM is clocked at 200MHz?

It should be twice the frequency, right? Intel 945GC specs
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2answers
40 views

Can't determine Intel Chipset Information and thus max memory supported by system

I have old lenovo 3000 C300 All-in-one PC. It has Intel Atom 330 @ 1.66 2 memory slots, PC2-5300 (667mhz) SODIMM 200 pin memory. CPU-Z Rated FSB is 531.92 Mhz Here are results from different ...
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1answer
28 views

Can we calculate the bandwidth for a CPU?

I have read somewhere that we can calculate the bandwidth for a ram like this. Assuming the ram clocks at 1600 MHz without dual-channel, the bandwidth is 1600 MHz * 64 bits = 102400 Mbit/s, which as I ...
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0answers
80 views

Did I kill my CPU by cleaning the computer?

I have a computer running Windows 7 which was working fine until I cleaned it. Now I'm getting blue screens and error messages. Running Ubuntu on live disk says the CPU is bad. I was asked to do a ...
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0answers
32 views

CPU is fixed at 100% usage

I would like to start by saying that I'm aware that there are a lot of questions with the same title but I would like to say that they are very specific to their own problem. Unfortunately my problem ...
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1answer
28 views

How does the CPU know when an interrupt occurs?

I am writing an emulator and can't seem to find info on this. What I know is that devices trigger a pulse on the IRQ wire. But the explanations online don't include how the CPU deals with that. Does ...
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1answer
33 views

When does CPU Usage starts to impact users or services? [on hold]

I work with servers, and now, starting to gravitate more into server performance monitoring. Some application developers that I've met lately claim that Windows/Linux Services and its applications ...
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2answers
20 views

CPU clock cycle and instructions interpretation

I am new in computer architecture but I know the main topics since I had it as a course before. My question is in fact little deep and related to CPU clock cycle and how processor interpret ...
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0answers
22 views

System Information

I have upgraded my computer from a pre-built computer from Dell, and the only part I'm still using is the CPU and the HDD. Everything else has been removed and installed with new parts. So why does my ...
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1answer
20 views

acer aspire x3995 desktop continuous beep on startup

PC was beeping 4 short beeps and after some google decided to move ram to a different slot. I didn't ground myself and now it continually beeps on startup. I have unplugged everything from mobo ...
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1answer
21 views

Does Windows Server 2012 R2 support hot-add CPUs?

I have a Windows Server 2012 R2 Standard guest in a virtual environment. My hypervisor (Virtualbox) supports hot-adding and hot-removing vCPU's, but it also says in the VirtualBox manual that "So far ...
3
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1answer
41 views

What is the actual reason behind HDD thrashing?

I bought my desktop computer in 2012. In 2013, I opened my case and cleaned out the dust in the processor and motherboard. After cleaning and rebooting the PC the processor cooling fan rotated for a ...
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0answers
19 views

PC won't start at all. 1 Beep at power on but nothing happens. [closed]

my PC won't start at all. The fans (CPU and Case) try to run, the mobo gives one short beep but then it turns off. It's a brand new PSU and brand new motherboard! I've recorded it since it's easier ...
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1answer
22 views

Black screen after CPU upgrade

So iǘe been wondering around for an answer to my problem but nothing quite fits. I have a good 'ol HPg62 and I upgraded the CPU from the factory P6000 to a core i5 that I have salvaged from a asus ...
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3answers
60 views

Difference between laptop and tablet processors?

From what I have gathered, it appears to me that laptop CPUs (in particular, made by Intel) are less powerful than their corresponding desktop CPU counterpart (e.g. Intel Core i5 for a laptop is less ...
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1answer
9 views

The main difference between Superscalar and Parallelism

In superscalar processing, more than one instruction is executed in parallel at each core, so how would that differ from parallel processing then? Thank you.
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18 views

in chosing CPU : l2 cache vs clock speed..? [closed]

If the other factors are the same , which is more important the amount of L2 cache or cpu clock speed .. for example 1.6 GHz 2 MB vs 2.3GHz 1MB .. Which is better in : 1- MS office 2- surfing the ...
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0answers
25 views

How are super computers built? [closed]

I only know about assembling a computer from individual parts like motherboard, cpu, ram, graphics card etc., I heard there are supercomputers(SC) containing hundreds of processors working together ...
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0answers
45 views

Can a 64-bit OS be loaded on a 64-bit processor when the EFI is 32-bit?

I'm struggling to get a Chromebook loaded with a new OS. The Chromebook is a Toshiba CB35-B3330, and it has a 64-bit Intel Celeron N2840. I'm struggling because I can't get any useful information on ...
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0answers
52 views

Socket LGA 1151 compatibility with CORSAIR Hydro Series H50 water cooler [closed]

I'm building a new PC and wanted to check the compatibility of some parts. The PC will be using a LGA1151 motherboard: http://www.newegg.com/Product/Product.aspx?item=N82E16813128869 And Skylake ...
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1answer
20 views

How can I estimate the time it takes a certain computer to guess a password?

As cyber security and its exploitation become more prominent and relevant, I find websites such as https://howsecureismypassword.net/ to be very interesting. When the user enters a password, it ...
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0answers
19 views

System suddenly going into continuous/infinite restart/reboot loop without even POST with clicking noise from PSU

I'm new here and desperately in need of help. My Dell Inspiron One 2330 was working perfectly till yesterday night. Today morning when I tried to turn it on, it went into a continuous restart loop ...
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15 views

Register allocation tables overwrite

Reading about the Xeon processor: the Xeon has two register allocation tables (RATs), each of which handles the mapping of one logical processor's eight architectural integer registers and eight ...
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0answers
8 views

Java Processes on second identical server is taking up twice as much cpu time

I have two servers with the same exact configuration. Both servers are running a java process that are running the same code base. JVM arguments are the same Java System properties are the same ...
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1answer
28 views

Is it possible to run a 2GB RAM on Asrock G31M-VS?

I just want to know if I can stick another 2GB RAM on my Computer. System Hardware: Motherboard: ASRock G31M-VS (FSB1333 DDR2 800 Dual Channel). CPU: Pentium Dual-Core 2.5GHz. RAM: DDR2 800 Memory: ...
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0answers
13 views

What does this XML block for CPU do?

I'm having trouble getting a CPU configured. The problem CPU configuration is shown below. However, I have a good configuration and I am trying to understand what it does so I can add pieces of it to ...
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0answers
28 views

Intel PCM ( Performance Counter Monitor ) - Low hit rate for LLC

I am having Intel Xeon D-1520 CPU I tried to run Intel PCM to get the the L3 cache miss and hit ratio. L3MISS: L3 cache misses L3HIT : L3 cache hit ratio (0.00-1.00) Core (SKT) | EXEC | IPC | ...
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0answers
46 views

FPS drops when playing video in background

I am trying to understand why I experience FPS drops in demanding games when a video is playing in background and how to fix it. My particular setup (see the specs at the bottom): two monitors in ...
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4answers
26 views

How do I check what is spiking the CPU while the computer is idle

My Windows 10 laptop with an i7 and 16 GB of RAM often gets the fans going full speed when I am not using it. It is a bit slow to respond sometimes when I try to wake it up to check what is going on. ...
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0answers
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CPU usage of DELL Latitude E6410 is increasing after a period to 100%

I have DELL Latitude E6410. I have the problem since 5 months that the CPU works to the full capacity (100%) if I just use Firefox with pair of tabs and watching something at youtube then the CPU is ...
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0answers
62 views

How serious is bug in i7-6700K CPU?

I'm considering new machine for my application development (Visual Studio, C++, paralel builds with Incredibuild). I wanted to purchase Intel i7-6700K to my machine. But I'm not sure now because of ...
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1answer
28 views

Trying to figure out if my processor supported RAM I just brought [duplicate]

I just brought G. Skill RipJaws and this is my first time buying RAM to update my computer. When it arrived today it said on the package it was compatible with Intel Core i7, Core i5, Core i3 and ...
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1answer
18 views

Why is CPUMark rating relatively the same for the Intel 2955U compared to newer Intel Braswell chips such as N3150?

In terms of processing power only (ignoring GPU performance), why is the CPUMark performance of the Celeron 2955U (2-core, 1.4GHz) relatively close to the Celeron N3150 (4-core, 1.6GHz)? Intel ...
1
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1answer
44 views

Why is current CPU frequency read-only for root?

I have a program that provides benchmarks, but its OS agnostic and does not know how to read CPU frequencies. The test program is driven through a script. If I provide the CPU frequency, then the ...
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0answers
21 views

What is the difference between Server and Embedded Intel server processors

I am in the process of building a server that will run SQL Server 2012 and was looking for a processor. While doing my research I have found Intel processors on their page being grouped in two ...
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0answers
73 views

Which saves more power, core parking or clock down-throttling? [closed]

(Context): Sometimes I leave my computer turned on for long periods while not really using it (to seed files over torrent, for instance). My CPU is an AMD FX-6350 cpu (6 cores, 3.9 GHz) which is kind ...
0
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1answer
29 views

How do I evaluate 2 different hardware specs for an application?

I have a single-threaded, CPU-bound application that's currently running on a multi-core Windows machine (32-way 2.1GHz Pentium Pro/II/III). It's stuck at 100% of one of the "cores", which equates to ...
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2answers
33 views

On device manager it says have 4 of the same 2.40 ghz processors so do i have 9.40 ghz

When I go to device manager to check my processor speed there are 4 the same exact processors shown is this a quad core and does the speed add up?
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0answers
27 views

How to display CPU and GPU fan speed percentage (instead of RPM) during gaming?

I use MSI Afterburner, RivaTuner and HWiNFO to (on screen) display CPU & GPU temperatures during gaming, but these softwares are not able to display the fan speeds in percentage. They only show ...
1
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1answer
21 views

Using modern AMD chips with Vmware and Virtualbox

Looking to build a cheap PC and then install VMWare workstation and Virtualbox to create some operating system virtual machines. Do all modern chips work with VMware and Virtualbox, or do they need ...
-1
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1answer
43 views

Does the chipset also determines installablility of 32bit OS or 64bit OS?

I have Fujitsu Lifebook A6025 with Pentium T2130 and Intel® 945GM/ ICH7-M chipset according to the spec. I want to upgrade the CPU to Intel Core 2 Duo Mobile T7400(Socket M) CPU. The T2130 CPU ...
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0answers
24 views

Stuck at “Loading operating system…”

Today I got out an old PC from about 2011, running a Sandy Bridge i3. It had no ram or HDD in it, so I threw 4GB and a HDD in and attempted to install Ubuntu. After making sure the BIOS settings were ...
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0answers
21 views

CPU or Graphics card defect?

From time to time my computer dies while in usage. The screen either turns completly white, black or shows thin vertical stripes in two colors. I then have to kill it with the power button. When I ...
3
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2answers
408 views

486 computer does not POST

I have some trouble trying to POST a old Intel 486 DX motherboard. If i power up the board , the CPU becomes hot quickly and it doesn't make any beep noise, but only background noise (even without RAM ...
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1answer
40 views

CPU Over voltage error after updating BIOS

I have a problem with my motherboard. I updated the BIOS on my Asus P8P67-M to the latest version(3703) after this when rebooting my computer I was shown a message telling me that there is a CPU Over ...
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0answers
13 views

Linux laptop freezes sometimes

I have a fanless laptop (Acer TM B115M — Intel Pentium N3520 Quad-core 2.17 GHz, 4 GB RAM), and under Gnome and KDE, it sometime freezes. I tried a number of distros and it still freezes. It doesn't ...