MCQS

Computer Science

The correct answer is 'I Love You' because this computer virus, also known as the Love Bug, spread rapidly worldwide in 2000, infecting millions of computers. Its widespread impact and the speed at which it spread make it the most widespread computer virus in history. This answer is correct because it directly addresses the question by identifying the specific virus that holds the record for being the most widespread.

The correct answer is 'Operating System' because it is the software that controls and manages the operation of application software and hardware devices on a computer. The operating system acts as an intermediary between the user and the computer hardware, ensuring that the application software can run smoothly and interact with the hardware effectively. It is responsible for tasks such as managing memory, handling input and output, and coordinating the operation of different hardware components.

The correct answer is 'Cache' because a cache is a memory buffer that stores frequently accessed data closer to the processor, reducing the time it takes to access that data. This helps accommodate the speed differential between the processor and the main memory, improving overall system performance.

The correct answer is 'CtrlAlt D' because this specific shortcut key combination is commonly used to open the Font dialog box in various software applications. It is a standard keyboard shortcut that is easily remembered and widely recognized by users. Using 'CtrlAlt D' to open the Font dialog box allows for quick and efficient access to formatting options for text.

The correct answer is 'D. Both a b' because to insert a hyperlink in a slide, you can either select the text or object you want to hyperlink (option a) or use the Insert tab on the ribbon and choose the Hyperlink option (option b). Both of these methods allow you to easily insert a hyperlink in a slide.

The correct answer is 'D. Outline view' because it is the view in PowerPoint that displays only the text title and bullets in a structured outline format. This view is useful for focusing on the content and organization of the presentation without distractions from images or design elements. Therefore, 'Outline view' is the most appropriate choice for viewing only text title and bullets in PowerPoint.

The correct answer is 'Emulators' because emulators are specifically designed to replicate the functionality of one system on another system. They allow software or hardware from one platform to run on a different platform, making them a suitable term for programs that duplicate functionality across systems. This term accurately describes the concept of duplicating system functionality on another system.

The correct answer is 'IBM' because in 1981, IBM released the IBM Personal Computer (IBM PC), which was the first computer designed specifically for home use. This groundbreaking product revolutionized the personal computing industry and set the standard for future home computers.

The correct answer is 'Cache memory' because it is specifically designed to store frequently accessed data and instructions closer to the CPU, reducing the time it takes for the processor to access them. This temporary high-speed holding area helps improve processing speed by allowing the CPU to quickly retrieve the necessary information without having to access the slower main memory.

The correct answer is 'CTRLF' because in Excel, pressing 'CTRLF' allows you to open the Find dialog box, which helps you search for specific text or values within the spreadsheet. This key combination is a commonly used shortcut for the Find function in Excel, making it the correct choice for finding information within a spreadsheet efficiently.

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