WHAT IS FIRMWARE?

Firmware Firmware is basically a software type which is pre-installed in the device non volatile memory(like ROM) from the device manufacturer. We can not change or access the firmware easily It can be updated if the manufacturing company allow us to update.The update is for bug fixes or adding new features to the device It …

Guide to some of Programming languages ?

Complete Guide To Perl, PHP, and Python? These are very popular programming language each with its own advantage and disadvantages.I am publishing this article so that the people will get a brief guide to these languages and it will be helpful for them who wants to learn these languages Perl Perl is a general purpose …

WHAT IS LASER?

┬áLaser Laser stands for Light amplification by stimulated emission of radiation.The unique property of laser emission of coherent light makes the application of laser cutting and lithography possible Laser pointing is also an application based on the property of laser to follow a narrow path over great distances. Applications Defence Marking targets guiding ammunition ┬áBlinding …

Why Do 3G Smartphones does not support a 4G SIM Card?

3G smartphones do not support 4G SIM cards because 3G works on Wide-band code division multiple access(WCDMA) technology whereas 4G the fourth generation of mobile communication works on Long term evolution(LTE) standard, is comparatively a new technology that is different from WCDMA. Therefore 4G SIM card will not work on 3G handset

WHAT IS ACCELEROMETER?

Accelerometer It is an electromechanical device that measures acceleration forces. Usage It can be used to measure vibration on vehicles, safety monitoring devices, industrial machines and process control systems.These are also used to measure seismic activity, inclination, dynamic distance and speed with or without gravity. Working The accelerometer is commonly made either of the piezoelectric, …

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 …