Found 636 Articles for Data Storage

Volatile memory and non-volatile memory are two distinct types of computer memory with significant differences in terms of their functionality and data storage characteristics. Volatile memory is used for temporary storage and loses its data when the power is removed, while non-volatile memory is used for permanent or long-term storage and preserves data even when the power is off. What is Volatile Memory? Volatile memory is a type of computer memory that requires a continuous power supply to retain data. This means that when the power is turned off or interrupted, the data stored in volatile memory is lost. The ... Read More

Both RAM and HDD are types of computer memory. RAM is used to store computer programs and data that the CPU needs in real time. RAM data is volatile and is erased once the computer is switched off. HDD, hard disk, has permanent storage and it is used to store userspecific data and operating system files. HDD data is static and remains in the computer even if computer is switched off. Read this article to find out more about RAM and HDD and how they are different from each other. What is RAM? RAM stands for Random Access Memory. ... Read More

In computers, several types of secondary storage devices like CDs, DVDs, Blue-Ray Discs, HDDs, etc. are used for permanent storage of data and information. Both CD and DVD are the types of optical storage devices whose operation is based on the optical effects. Both CD and DVD use red LASER to perform read and write operations. However, they are quite different from each other in many aspects. In this article, we will discuss all the important differences between CD and DVD. Let's start with some basics of CD and DVD. What is a CD? CD stands for Compact ... Read More

Both Blue-Ray Disk and DVD are the optical type secondary storage devices used in computer systems. We are all familiar with DVDs, but Bluray discs are relatively new data storage devices. Blue ray discs give a better visual experience with high video resolution. In this article, we will discuss the important differences between Blue-Ray Disc and DVD. But before going into the differences, let's start with some basic concepts of these two storage devices. What is Blu-Ray? BluRay Disk (BD) is an optical storage media used to store high definition (HD) video and other multimedia filed. BD uses shorter wavelength ... Read More

When the word cloud comes to our mind, we think of big white fluffy fantasy. But technically, cloud is the big white hard drive which stores bulky servers and all your information. It’s cool to think how someone else is managing everything and put the data whenever and wherever you want to store.Security might be an issue, you want to consider. But it’s nothing compared to the scary thought of cloud service going down. According to ACM article, regular bugs were pointed in seven coding constructs of the function calls, assignments, conditions, pointers, uses of NULL, variable declaration, function declaration ... Read More

The data that a user enters into multiple pages of a website can be saved using a combination of cookies and sessions. Cookies and sessions are both vitally important since they record the data that the user has provided for a variety of purposes.Cookies and Sessions are used to store information. Cookies are only stored on the client-side machine, while sessions get stored on the client as well as the server.Read through this article to find out more about cookies and sessions and how they are different from each other.What is a Cookie?Cookies are little text-based files that are kept ... Read More