Volatile memory or volatile storage is a Computer Memory that requires power to maintain the stored information. It retains its contents while powered, but when power is interrupted stored data is immediately lost.The data held in RAM is temporary that is lost when the power is switched off, hence RAM is a volatile memory

The Card Verification Value (CVV*) is an extra code printed on your debit card or credit card. CVV for Visa, MasterCard and Diners is the final three digits of the number printed on the signature strip on the back of the card.

Router is a device to connect two different networks LAN and the Internet. Routers connect networks. A router links computers to the Internet, so users can share the connection.

Since Binary System is followed in computers, so Bytes is the measuring system for computer data.

It is an out put device which prints any given information report.

IMPS - Immediate Payment Service is an interbank electronic instant mobile money transfer service through mobile phones. IMPS service from ICICI Bank helps you access your bank account and transfer funds instantly.

Phishing is the act of attempting to acquire information such as usernames, passwords, and credit card details (and sometimes, indirectly, money) by masquerading as a trustworthy entity in an electronic communication.

Android is an operating system used by Samsung. An operating system (OS) is a software program that manages the hardware and software resources of a computer. A key component of system software, the OS performs basic tasks, such as controlling and allocating memory, prioritizing the processing of instructions, controlling input and output devices, facilitating networking and managing files.

A typical space bar key is large enough so that a thumb from either hand can use it, and is almost always found on the bottom row of standard QWERTY keyboard layouts.

‘Card skimming’ is the illegal copying of information from the magnetic strip of a credit or ATM card. It is a more direct version of a phishing scam.

An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer programs. The operating system is an essential component of the system software in a computer system. Application programs usually require an operating system to function. The operating system and application software are essential and co-related to each other and are required to run a computer efficiently. The computer can work without a mouse as in case of laptops, notebooks, tablets, etc. which is an external input device in which touch pad is inbuilt.

A driver is a small piece of software that tells the operating system and other software how to communicate with a piece of hardware.

Keystroke logging, often referred to as keylogging or Keyboard Capturing, is the action of recording the keys struck on a keyboard, typically in a covert manner so that the person using the keyboard is unaware that his actions are being monitored. A virtual keyboard is a software component that allows a user to enter characters. A virtual keyboard can usually be operated with multiple input devices, which may include a touchscreen, an actual computer keyboard and a computer mouse. Hence, Virtual Key Board are used.

A set of instructions that a computer uses to carry out its tasks is called a computer program. A computer program can also be called a software program. These programs consist of programming codes to tell the computer what to do.