Question:What is a Digital Signature? 

A Digital signature is a code which is attached to an email to uniquely identify the sender.

Question:What is storage media? Write the names of a few commonly used storage media. 

Storage media are devices that store application and user information. These days there are a range of storage media to choose from including CDs, DVDs, USB flash drives, memory cards, internal hard disks, external hard disks, network drives and on-line file storage.

Question:What are the definitions for freeware and shareware? 

Freeware: This is software which can be copied or downloaded for free. It is often fully functional. Example-UNIX, LINUX
Shareware: This is where we can use software for a free trial period and after that we have to pay for it .

Question:What are the advantages of e-banking? 

The phrase e-banking relates to managing our money online. We can exchange our money from one place to another place by e-banking system. This has the advantage to the bank that costs can be reduced. Some banks are completely online, with no physical branches at all, The customer benefit from 24-hour access to banking services.

Question:Describe how you can close an application that is not responding. 

Ctrl + Alt + Delete ->Select Start Task manager->Application Tab->Select application-> click the “End task” button

Question:What are computer files? 

A computer file is a block of arbitrary information, or resource for storing information, which is available to a computer program and is usually based on some kind of durable storage.
A computer file is a specific piece of data that is held on a computer system.

Question:What are file details? How can you view file details? 

File details refers to file size, file type, create time, read only etc. We can view file details right clicking the file and select properties. Shortcut: alt + Enter.

Question:What is file compression? What are the benefits of file compression? 

File compression lets you make the size of files smaller.
This is useful when you need to save space on a disk or when you are sending a file as an email attachment and you want to keep the size of your attachments as small as possible.

Question:What are the full forms of the abbreviations: HTTP, FTP, WWW? 

HTTP: Hyper Text Transfer Protocol.
FTP: File Transfer Protocol.
WWW: World Wide Web.

Question:What is search engine? 

a search engines holds information about pages on websites throughout the internet. It has only information about websites which have been to it, or ones that it has found out about automatically. Ex. Google, Bing, Yahoo etc