Answer: C) Both A & B Explanation: A magnetic disk is a storage device that uses a magnetization process to write, rewrite and access data. It is covered with a magnetic coating and stores data in the form of tracks, spots, and sectors. Hard disks, zip disks, and floppy disks are common examples of magnetic disks.   Hence, Magnetic disks are the most popular medium for both Direct access and Sequential access.

Answer: B) Name Box Explanation:

Answer: A) DPI Explanation: Dots per inch (DPI, or dpi) is a measure of spatial printing or video or image scanner dot density, in particular the number of individual dots that can be placed in a line within the span of 1 inch (2.54 cm).

Answer: C) WINDOWS Explanation: Microsoft Excel is a spreadsheet developed by Microsoft for Windows, macOS, Android and iOS. It features calculation, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications.

Answer: C) Both A & B Explanation: An M.S Excel Workbook is a collection of both Worksheets and Charts.

Answer: C) by default all users can access Remote Desktop Explanation:

Answer: B) Universal Resource Locator Explanation: A web page is located using a URL (Universal Resource Locator). Universal Resource Locator is also known as web address.   It basically refers to a web resource which is meant for the specification of its location on the network of computer. It is also a mechanism through which information can be retrieved.

Answer: D) All the above Explanation: An operating system has three main functions: (1) manage the computer's resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software.