Computer Science

To save an existing document with a different file name, the correct action is to use the 'Save As' option, which is typically found on the File menu. This allows you to specify a new file name and location, unlike the regular Save command which overwrites the existing file.

There are two main types of digital images: vector and raster. Vector images use paths defined by mathematical expressions, while raster images are made up of pixels. Therefore, both A (Vector) and B (Raster) are correct types of pictures.

Print Layout view displays the document as it will appear when printed, allowing you to verify that note text is positioned correctly on the page. Print Preview also shows the document's print layout, confirming correct positioning.

UNIVAC stands for Universal Automatic Computer, which was one of the earliest commercial computers developed in the 1950s. This acronym is well-known in computer history.

In most word processing software like Microsoft Word, the 'Tools' menu contains the 'AutoCorrect Options' where users can set exceptions to AutoCorrect rules. Therefore, clicking 'Tools' on the menu bar and then selecting 'AutoCorrect Options' is the correct procedure.

Pressing the Alt key in Microsoft Office applications displays Key Tips on the ribbon, allowing keyboard navigation to select tools without using the mouse.

In PowerPoint's Custom Animation task pane, previewing a motion path effect is done by clicking the play button, which plays the animation so you can see how the motion path works. The other options are incorrect or not standard actions for previewing.

To insert a drop cap in a paragraph in common word processing software such as Microsoft Word and LibreOffice Writer, you typically access the 'Insert' menu or tab. In Microsoft Word, the drop cap option is found under the 'Insert' tab where you can choose the style of drop cap and adjust options. In LibreOffice Writer, the drop cap option is accessed via the 'Format' menu, then 'Paragraph', and then the 'Drop Caps' tab. The 'Format' menu usually contains text formatting options but not the drop cap insertion directly. Therefore, the correct answer is 'Insert Menu'.

Moving a copy of a file from one computer to another over a communication channel is known as file transfer. This process involves sending data between devices, which matches the definition of file transfer.

You can read through a document by using the arrow keys to move line by line or by dragging the scroll box on the scroll bar to navigate quickly. The ENTER key does not move the reading position down line by line in most document viewers.

A bookmark in a document allows users to mark a specific location so they can quickly navigate to it later. Macros automate tasks, HTML is a markup language, and 'None of the above' is incorrect here.

In most word processing software like Microsoft Word, the 'Symbol' dialog box is accessed via the 'Insert' menu, where users can insert special characters and symbols into their document.

The 'Cancel' button is typically used to exit a wizard without saving or creating anything, returning the user to the previous window. Therefore, clicking 'Cancel' in the Resume Wizard dialog box will exit the wizard and return to the document window without creating a resume.

A UPS (Uninterruptible Power Supply) provides backup power during outages, preventing data loss by allowing time to save work and properly shut down devices. The other options do not protect against power failures.

The extended ASCII coding system uses 8 bits, allowing for 2^8 = 256 different characters, which is an extension of the original 7-bit ASCII that supports 128 characters.

The Melissa virus, which emerged in 1999, was a macro virus that infected Microsoft Word documents and spread via email. While it propagated through email, its core mechanism was a macro virus embedded in documents, making option B the most accurate.

ECL stands for Enterprise Control Language, which is a declarative, data-centric programming language designed for large-scale data processing on HPCC (High-Performance Computing Cluster) systems. It is used for efficient query construction and parallel execution in enterprise-grade computing environments. The other options do not correctly define the acronym ECL in the context of computer science or security.

Google was officially founded on September 4, 1998, by Larry Page and Sergey Brin while they were Ph.D. students at Stanford University.

A nibble is defined as 4 bits, which is half of a byte (8 bits). Therefore, the correct answer is 4 bits.

Mark Zuckerberg, the co-founder of Facebook, was indeed the first person to upload his face on the platform. When Facebook (originally called TheFacebook) was launched in 2004, Zuckerberg posted his own photo as the inaugural profile image. This is well documented in multiple reliable sources including Wikipedia and historical accounts of Facebook's founding.

Facebook was rebranded as Meta in October 2021 to reflect its focus on building the metaverse. Therefore, the correct new name is Meta.

Programs run by a computer are called software, which is distinct from the physical components known as hardware. Software includes all the instructions and data that tell the hardware what to do.

The keyboard shortcut Ctrl + U is commonly used to underline selected text in many text editing programs. Therefore, option A (underline) is the correct answer.

HTML (HyperText Markup Language) is the standard language used to create and design web pages. The other options refer to protocols or systems related to the internet but are not used to create web pages.

To view the contents of a folder in Windows Explorer, you simply click on the folder. This action opens the folder and displays its contents. The other options do not result in displaying the folder's contents.