MCQS

The correct answer is 'B. Arithmetic logic unit, Control unit' because these two components are essential parts of the CPU. The Arithmetic Logic Unit (ALU) is responsible for performing arithmetic and logical operations, while the Control Unit is responsible for coordinating the activities of the CPU, fetching instructions, decoding them, and executing them. Together, the ALU and Control Unit work together to carry out the instructions of a computer program, making them integral components of the CPU.

The correct answer is 'B. Output' because output devices are responsible for converting human understandable data and programs into a form that the computer can process. These devices take the processed information from the computer and present it in a format that is understandable to humans.

The correct answer is 'B. WinKey D' because pressing the Windows key (WinKey) along with the letter D is a specific shortcut that minimizes all open windows and brings the desktop to the top. This action allows users to quickly access files or shortcuts on the desktop without having to manually minimize each window individually.

The correct answer is 'C. ESC' because the Escape key (ESC) is commonly used in computer systems to close a selected drop-down list, cancel a command, and close a dialog box. Pressing the ESC key allows users to quickly exit out of a menu or dialog without making any changes. This key serves as a universal shortcut for canceling actions and closing windows in various software applications.

The correct answer is 'C. Loader' because a loader is a program in an operating system that loads executable programs into memory and prepares them for execution. It is responsible for carrying data from storage into memory so that the program can be run. Therefore, the loader is the program that directly handles the data transfer process within the operating system.

The correct answer is 'C. Second' because the second generation of computers, which took place from the late 1950s to the mid-1960s, was the first to use transistors. Transistors replaced vacuum tubes used in first generation computers, leading to smaller, faster, and more reliable machines.

The correct answer is 'A. Visual Basic' because Visual Basic for Applications (VBA) is the programming language used to create macros in Excel. VBA allows users to automate tasks, manipulate data, and customize Excel functions through writing code. Therefore, Visual Basic is the language specifically designed for creating macros within Excel.

The correct answer is 'B. Arithmetic/Logic' because the Arithmetic/Logic unit is responsible for performing mathematical calculations and logical operations within the CPU. This unit is essential for executing arithmetic operations such as addition, subtraction, multiplication, and division, as well as logical operations like comparisons and decision-making processes. Therefore, including the Arithmetic/Logic unit completes the trio of essential components within the CPU.

The correct answer is 'B. Paths' because vector graphics are made up of paths that are defined by mathematical equations. These paths can be straight lines, curves, or shapes that can be filled with color or outlines. This is what allows vector graphics to be scaled to any size without losing quality.

The correct answer is 'BIOS' because the Basic Input/Output System (BIOS) is responsible for initializing the hardware components of a computer, including the high memory. This initialization process occurs before the operating system is loaded, making BIOS the source for initializing high memory for all operating systems.