difference between Ram, ROM and hard disk memory

 The difference between ram and hard disk memory It often seems confusing, with overlapping terminology, you may not seem to know the difference.  It does not allow the storage of personal data. It reads and writes data and will continue to save memory unless the system turns off. The hard disk is a predictable memory that allows the user to store and delete data; Your ability to store in it depends on its size.

 

Read-Only Memory (ROM)

Read-only memory (ROM) is a type of storage medium that permanently stores data on personal computers (PCs) and other electronic devices. It contains the programming necessary to start the computer, which is necessary for starting up; performs large I/O tasks and stores programs or software instructions. Because the ROM is read-only, it can not be changed; it is durable and non-volatile, which means that it retains its memory even after disconnecting the power supply. Whereas the random access memory (RAM) is unstable; is lost when the power is removed.</span


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difference between ram and hard disk memory
difference between ram and hard disk memory

There are many ROMs on the motherboard and several on the expansion boards. Chips are necessary for the basic input/output system (BIOS), boot, read and write on peripherals, basic data management, and software for basic processes for specific tools.

 

 

difference between ram and hard disk memory   

 

WHAT IS HARD DRIVE?

 

difference between ram and hard disk memory
difference between ram and hard disk memory

 

When it comes to memory capacity, the hard disk starts where the RAM memory ends; this means that the size of the hard disk is always larger than the size of the RAM. Currently, the size of RAM varies from 256 MB to 32 GB. The available hard disk size is from 500 GB to 8 TB. The hard disk is more similar to a machine that has different parts, such as a write module and reader, while the RAM is a smaller (silicon) circuit composed of circuits.


 

HOW TO INCREASE STORAGE ON MY COMPUTER

RAM memory does not allow connecting external RAM if RAM is not available. The hard disk allows you to add an external hard disk to improve disk space. You can also completely change it and add more capacity. Connecting an external drive, when the hard disk stores more and more data, provides increased storage capacity without losing files or data.

 

The size of the hard disk you want to connect to the system, however, depends on the power necessary to run the computer with an additional storage location, as well as on the physical surface it will use.

 

 

HOW TO RESTORE YOUR COMPUTER

One of the primary goals of RAM is to speed up your computer’s performance; it means that your system will run slower when its RAM memory is small (limited). However, the primary purpose of the hard disk is to store information, and having a hard disk with a smaller capacity may not affect the speed of the system.

 

 

Each time a task is executed, the CPU sends and receives program instructions and data to and from RAM. User data will be transferred to the hard disk as part of these operations.

 

 

The memory used during the operation comes from RAM because RAM is much faster than the hard disk. RAM is faster and data is transferred from the hard disk to RAM to ensure that the processor only deals with the fastest data access.

 

Additional RAM


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origin broadband router settings

1. Find the router’s IP address

origin broadband router settings   The IP address is a sequence of numbers – 192.168.1.1 is common – it identifies your connection. To change its settings, you need to know what the router’s IP address is. There are many ways to find this:

Check the back of the router. Most have a sticker or card with all the information you need to log into the settings, including the IP address you need.


 

Or go to the Network and Sharing Center on your computer. Select “Wireless network connection” or “Local area connection” and then “Details”. Look for the “Default IPv4 Gateway” – the desired IP address is next to it.
Or connect the Ethernet cable and go to the command line. Enter “ipconfig” and press enter, and look for the number next to “Default gate”.

 

1. On a Mac: Go to System Preferences and select “Network”. Click the network to which you are connected in the left panel and the router’s IP address on the right.

 

 

 

2. Enter it in the browser

Open any web browser – Chrome, Internet Explorer, Firefox or Safari – and enter the address you found. He should move to the login screen.

 

3. Log in

Enter the username and password for the router. You can find it at the back of the router or in its user manual.

Login details do not work? Here’s what you can do.

Connect the Ethernet cable. Search for “network” in the Control Panel and select “View network connections” (in the Network and Sharing Center). Right, click on the Ethernet connection and select “Properties”. Make sure that “Obtain an IP address automatically” and “Obtain DNS server automatically” is selected. Then try again.
Or reset the router back to the factory settings – you will probably need a paper clip or pushpin and put it in the “reset” hole. Then reconnect and try logging in again. However, this is the last resort – resetting the router will delete all settings that may have changed.
After successful login, you will have access to the page with all router settings.

 




 

When is it needed for origin broadband router settings?

Each router should be pre-configured as a standard. However, if you need to configure your router, simply follow the instructions below to go online.

router

How to set it
After connecting the router to power sockets and telephone sockets, open a web browser (eg Google Chrome) and enter “192.168.1.1” in the address bar (where you usually enter the address of the website). The login screen should appear. The default username and password will be “admin” and “admin” (all in lowercase). If you want, you can change it later in the “Admin” section of the router menu.

 

 

origin broadband router settings page

Then select “Quick Internet Setup” (in the upper left corner of the screen) and follow the step-by-step instructions to restore the connection. The first screen will ask for your “connection type”. Select “PPPoE” and click “Next”. You will need your PPP username and password, which is usually written on a sticker or card attached to the router.

 After entering your PPP username and password, click ‘Next’.

Services – configuration

And what about Wifi?

Now you have to define the wireless connection settings. Depending on the specific router model, you can have the 2.4 GHz setting, 5 GHz setting or both. Enter the desired network name and password in the first two fields and make sure the box is checked, which means “Copy settings from 2.4 GHz to 5 GHz”.

Your network name should be named “Origin Broadband” (to help you find it), and your password can be any. You need to make sure your password is between 8 and 63 characters long.

You should now be online and online.

 

 

origin broadband router settings Security above all

Keep in mind that it is extremely important to have a secure username and password to access the WiFi network, which is only available to people you know and trust. If someone commits a crime or engages in any illegal activity from a home broadband connection, the payer of this connection may be legally or financially responsible.

WiFi

Something else?
Alternatively, if you want to manually configure the router’s WPA settings, you can download the ADSL Configuration Guide or the VDSL Configuration Guide (Fiber) here.

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While we tried to discuss the most important issues, if you want to propose a topic, we will be happy to add to the knowledge base. In the meantime, our technical support lines are always open!




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router settings bt

router settings btHow can I set or change the administrator password in my BT Hub
Here you will find help on how to set up an administrator password for your Hub Manager or how to change or reset the administrator password for your BT Hub.

 

How to change the administrator password on your BT Hub host
The first time you open the Panel Manager, you will be prompted to change the password. Just follow the instructions on the screen.

 

If you have set up your password and want to change it, follow the instructions for your BT Hub below.

If you forget your password, you can use the override function to set up new ones, along with password hints to help you remember them in the future.


 

router settings bt

BT Smart Hub and Ultrafast Smart Hub

To change the administrator password in the BT Smart Hub, start by opening a new browser on the device connected to the hub and enter 192.168.1.254 in the address bar – this will open the hub manager.
Click Advanced settings

router settings bt

router settings bt

Enter the administrator password. If you have not changed it before, you will find the default password on the Hub tab on the back of the Hub. If you’ve changed it and now you forgot it, you can use the password override feature to set up a new password without losing all of your personal settings and Hub configuration

 

router settings bt

 

 

To change the administrator’s password

you will be prompted to enter your current password.
Then enter the new password twice – remember that the administrator password is case sensitive, and must be 5-20 characters long.
You can also enter a password hint (for example, “My first animal name”). If you forget your password, when you have to enter it later, you can ask the Center Manager to suggest it to help you. If you still do not remember your password, Smart Hub has a password overwrite feature that allows you to create a new password without losing all router settings bt and Hub configuration

 

router settings bt

 

 

router settings bt

You may be prompted that the chosen password is not as secure as it could be. You’ll get some useful tips on how to increase your password security. To continue with the desired password, click Accept

router settings bt




 

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North bridge in computer

The north bridge in computer is one of two integrated circuits in the core chipset architecture. The computer mainboard and the other is the southbridge. Unlike the Southbridge, the Northbridge is directly connected to the processor with the FSB (front-side bus). Therefore responsible for tasks requiring the highest performance. The northbridge is usually paired with a southbridge, also known as an I / O controller concentrator

 

1) On systems where they are included, these two systems manage communication between the processor. In other parts of the motherboard and constitute the chipset of the main computer motherboard chip.


 

[2In older Intel-based computers, the north bridge in computer was also called an external memory controller (MCH) hub. The video card and memory controller hub (GMCH) if it is equipped with integrated graphics. Increasingly, these functions have been integrated with the processor chip itself.

 

north bridge in computer
north bridge in computer

 

[3] starting from memory controllers and graphics cards. For Intel Sandy Bridge and AMD Accelerated Processing Units introduced in 2011. All North Bridge features are processor-based.

[4] while AMD FX processors still require an external Northbridge and a Southbridge.

 

Separation of various functions with processors. The north bridge and south bridges resulted from difficulties in integrating all components on one chip.

 

5) In some cases, the functions of the North and South Bridge have been merged into one matrix. The complexity of the design and production processes allow it; for example, Nvidia GeForce 320M in 2010 MacBook Air is a north bridge / south bridge / GPU integrated circuit.

 

6)As the speed of the processor increased with time, bottlenecks appeared between the processor and the motherboard. The limitations caused by data transmission between the processor and its support chipset.


 

7) Therefore, starting from the AMD Athlon64 processors (based on the Opteron processor). A new architecture was used in which some of the north and south chip functions were transferred to the processor. Modern Intel Core processors have a north bridge in computer integrated into the processor matrix. It is known as an agent or a system agent.

 

north bridge in computer overview

The Northbridge usually supports communication between the processor. In some cases RAM and PCI Express (or AGP), and the South Bridge.

 

[8]  Some northern bridges also contain integrated video controllers, also known as graphics and memory hub (GMCH) in Intel systems. Because different processors and RAM require different signaling, the given Northbridge typically only works with one or two processor classes and generally only with one type of RAM.

 

There are several chipsets that support two types of RAM (usually they are available when the transition to the new standard). For example, the North Bridge in computer from the Nvidia nForce2 chipset will only work with Socket A processors connected to the DDR SDRAM; Intel i875 chip will only work with systems that use Pentium 4 processors or Celeron processors that have a clock speed greater than 1.3 GHz and use DDR SDRAM, and the Intel i915g chip only works with Intel Pentium 4 and Celeron processors, but you can use it DDR or DDR2.

 

Etymology

The name comes from drawing architecture in the form of a map. The processor will be on the top of the map comparable to midnight on most general purpose geographic maps. The processor will be connected to the microchip via a fast bridge (northbridge), located north of other system devices, as in the drawing. The northern bridge would then be connected to the rest of the chip via a slow bridge (southbridge) located south of other system devices.

North Intel i815EP bridge
Clocking

The north bridge in computer plays an important role in the extent to which the computer can be overclocked because its frequency is commonly used as the basis for the processor to determine its own operating frequency. This system usually gets hotter because the speed of the processor becomes faster, which requires more cooling. CPU overclocking is limited because digital circuits are limited by physical factors, such as the frequency of changes of operational amplifiers and propagation delay, which increase with (among other things) the operating temperature; As a consequence, most overclocking applications have software restrictions imposed by the multiplier and external clock settings.

Evolution

Part of the IBM T42 motherboard.

The general trend in processor design was to integrate more features with fewer components, which reduces the total cost of the motherboard and improves performance. A memory controller that supports communication between processes