Category «environment»

Computer Memory?

Memory Memory is Just like human brain it is used to store data and instruction. Computer memory is a storage space in the computer where data is to be processed and instructions required for processing are stored. Types of computer memory Main Memory- Main memory-Main memory is fast, it has Limited capacity and data is …

WHAT IS WANNACRY RANSOMWARE ATTACK?

What is Ransomware attack? First, we need to understand what is ransomware attack- It is a malware which locks or encrypt all your data stored on your computer hard disk and the hackers demand money to unlock your data as they will provide decryption key if you send money but it is not necessary.It all …

WHAT IS CACHE MEMORY?

CACHE MEMORY Cache memory is a part of main memory(primary memory).It is used in modern high-speed CPU to hold temporarily those portion of contents of main memory which are currently in use.Cache memory is integrated directly within CPU chip or placed on a separate chip that has bus interconnected with CPU. It is faster memory …

WHAT ARE COMPUTER COOKIES ?

COOKIES IN WORLD WIDE WEB It is a small piece of data sent from a website and stored on the user computer by the web browser while the user is browsing the internet. They are designed to record user browsing activity or recording which pages are visited in past. Some facts about cookies The size …

HTTP VS HTTPS-ONLINE SECURITY ?

SECURITY IN INTERNET ? HTTP-Hypertext Transfer Protocol These are the set of rules used for data communication over world wide web.Whenever you open a website on the internet with HTTP the data sends and receives between browser and server is only possible through the HTTP.But the problem arises that the connection between the user browser …

WHAT IS OPERATING SYSTEM?

Operating System An operating system is a program which acts as an interface between a computer user and computer hardware.It is a software which performs all tasks like file management, memory management, handling input and output, process management and controlling peripheral(output) devices.The primary goal of an operating system is thus to make the computer system …

WHAT IS HYPER-THREADING?

HYPER-THREADING It is a technique which virtually double the cores of a processor means that a quad-core processor will become octa-core and a dual core will become quad core.Basically, It is a technology introduced by Intel which allows their processor to intelligently schedule the tasks that are performed by a single core to make data …