Explanation

Go to Settings > Personalization > Lock screen, and select Screen saver settings.

In the Screen Saver Settings window, choose a screen saver from the drop-down list.

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Explanation

The process of copying data from a server to a personal computer is called downloading.

It involves transferring files or information from a remote source to a local device.

Explanation

The function clrscr() is defined in the conio.h header file, which stands for "console input/output".

This header file is used in DOS-based systems and some compilers like Turbo C/C++.

It provides functions to perform console input and output operations.

Explanation

IBM stands for International business machines.

IBM 1401 belong to second generation. 

Second generation of computer: 1956 to 1963

Used in Second Generation: Transistors

Explanation

Jaap Haartsen has been active in the area of wireless communications for more than 25 years.

In 1994, he laid the foundations for the system that was later known as the Bluetooth Wireless Technology, enabling connections between a seemingly endless array of devices.