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Ch-17: Introduction to Instant Messaging, A. Select the correct option., 1. ………………………………… was one of the first popular IM program to be launched in 1996. b. ICQ, 2. By using ………………………………… you can send text messages to the other users in real-time. b. IM, 3. ICQ stands for ………………………………… ., b. I Seek You, 4. These instant messaging software are downloaded and installed on the user's devices. b. Application based, 5. Ebuddy is an example of ………………………………… IM software., a. Web based, B. Write T for True and F for False., 1. WhatsApp is an instant messenger.(True), 2. It is required to have an account with Gmail or Google to use the Google Hangouts.(True) 3. Google Hangouts application can only be installed in the Android phones.(False) 4. Every IM application has a different interface and format.(True), C. Answer the following questions., 1. What is instant messaging?, Ans: Instant Messaging (often called IM) refers to real-time communication with the user at the other  end through an application called Instant Messenger. Most of the instant messengers use client-server  model where messages from a user are sent to the server first and then forwarded to the intended recipient., IM usually takes place between two users and follows back-and-forth style of communication, i.e., a user  can type a short message and send it easily by clicking on the Send button., Nowadays, a wide variety of IMs (WhatsApp, Google Hangouts, Facebook, and Skype) are available that  provide people with the facility of sending text, audio chat, video calling and conferencing, and file transfer.  For using audio and video call or conferencing, users must have microphones, headsets or speakers, and  web cameras, so that they can talk or see each other., 2. What are the key features of instant messaging?, Ans: Following are the key features of instant messaging:, • It is faster than any other mode of communication., • Users can connect to IM regardless of their location., • Users can communicate with each other as per their suitable time., • A user can make a group of people to chat with them in one go., • Users can share the screen using the Screen Sharing feature. This feature is available in most of the  instant messengers., 3. What is Google Hangouts?, Ans: Google Hangouts application is available for installation on both Android and iOS platforms. You can  also use Google Hangouts on your computer or laptop by using a browser, such as Google Chrome., 4. List any four instant messaging applications., Ans: The four instant messaging applications are:, • Hangouts, • Skype, • WhatsApp, • Hangout