A Hotspot is required for internet connectivity.

1. Dial-up is generally the slowest Internet connection and is obsolete these days.

2. This high-speed Internet connection is usually provided by telephone companies.

3. Wi-Fi (Wireless Fidelity) is a technology for WLAN (Wireless Local Area Networking) which requires "radio frequency" to transmit to devices.

4. Digital Subscriber Line (DSL-Digital Subscriber Line) service uses a broadband connection, which makes it faster than dial-up.

5. Cable service connects to the Internet through Cable TV.

6. Internet services are provided by mobile operators through mobile phone connections. 3G and 4G services are most commonly used with mobile phones and tablet computers.

1. Optical Mark Reading (OMR) is a method of entering data into a computer system.

2. Optical mark readers read pencil or pen marks made in pre-determined positions on paper forms as answers to questions or tick list signs.

1. There are two types of VGA cables: 14-pin and 15-pin. 14-pin cables will work in most applications, but wider display compatibility may require a 15-pin cable.

1. PowerPoint allows users to zoom in and zoom out from slides to help focus on specific sections.

2. It allows the entire slide to be viewed as a whole.

3. The maximum zoom supported by PowerPoint is 400%.

4. The minimum zoom supported by PowerPoint is 10%.

An electronic payment system using debit cards and credit cards can be done in