Computer Information Technology Part-6

Booking is a way to quickly access a favourite website by saving it in browser. A bookmark is useful and fast way to save website for later reference.

A computer memory refers to the device which is used to store any information, instruction and results in the computer. All the actions occurring in the CPU of the computer first goes to memory. in the modern operating system, the exchange of information between hard disk and RAM memory takes place rapidly with the help of the virtual memory. The size of the virtual memory depends on the space allocated on hard disk for virtual memory.

Router, Switch, and Hub , all are connecting device .MPPCS considered this question as bonus in their answer key.

A network switch connects devices within a network (often a local area network or LAN) and forwards data packets to and from those devices. Switches send packets directly to devices,rather than sending them to networks like a router does.

A router is a networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet. Data sent through the Internet, such as a web page or email, is in the form of data packets.

A brouter (also known as the bridging router) is a device that combines features of both bridge and router. Working as a router, it is capable of routing data packets across networks and working as the bridge, it is capable of filtering local area network traffic.

A computer gateway in a network examines the data packet and then passes it to the other network. It checks compatibility between the two networks and then converts the data packet to ensure that it can be transmitted between them.

ICT stands for information and communication technology. ICT refer to technologies that provide access to information through Telecommunication. This includes the internet, wireless network ,cellphone and other communication mediums.

The full form of SIM is Subscriber Identity Module. It is a small card that contains a mobile network subscriber's account information. This allows the phone using the card to attach to a mobile network. About half the size of a typical stamp, the SIM card is most commonly associated with GSM (Global System for Mobile Communication) and UMTS (Universal Mobile Telecommunication System) handsets.

SMS means Short Messaging Service. It is used for exchanging messages by mobile phone.

A picture message can stay up to 30 days in the private inbox of a mobile. To secure the picture message for more days, it has to be saved in the message box.

The pair given in option (b) is not correctly matched. Android is a mobile operating system (OS) developed by Google, based on the Linux kernel and designed primarily for touch-screen mobile devices such as smartphones and tablets.

Android 6.0-6.0.1 'Marshmallow' was the 6th major version of the Android operating system. First unveiled in May 2015, it was officially released in October 2015. Android 9.0 'Pie' was released on 6 August 2018 and 'Android10' was released on 3 September 2019. Then 'Android 11' was released on 23 September 2020 and 'Android 12' was released on 4 October 2021, while 'Android 13' was released on 15 August 2022. 'Android 14' is the latest version of the Android operating system which was released on 4 October 2023.