Computer Science Test 2 Nddc Scholarship
Computer Science Test 2 Nddc Scholarship
Question 21
In terms of managing processes, what type of operating system is DOS?
The Disk Operating System (DOS) is a single-tasking, single-process operating system. This means it is designed to execute only one program or process at a time. Unlike modern operating systems like Windows or macOS, which can run many applications simultaneously through multi-tasking, DOS requires one program to finish before another can begin.
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Question 22
The following are input devices EXCEPT:
A speaker is an output device that converts electrical signals from the computer into sound waves for the user to hear. The other options are all input devices: MIDI keyboards input musical data, MICR reads specialized characters on checks, and OMR detects marks on documents like standardized test forms.
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Question 23
What general term describes the physical parts of a computer, such as its monitor, keyboard, and storage devices?
Hardware refers to the tangible, physical components of a computer system that you can touch. This includes internal components like the motherboard and CPU, as well as external peripherals like the monitor and keyboard. It is the physical framework that allows software instructions to be executed and data to be processed.
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Question 24
To turn off your computer when using a Windows operating system, you can shut down through the Windows Start button.
This is the standard and recommended method for turning off a PC running Windows. By using the 'Shut Down' option in the Start menu, the operating system can properly close all active programs, save system settings, and safely cut power to the hardware, preventing data corruption or file system errors.
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Question 25
Users of Microsoft Word can determine how much text is printed on each page by adding:
A page break is a specialized marker that tells the word processor to end the current page and start the remaining text on a new one. This gives the user precise control over document layout, ensuring that specific sections or chapters begin at the top of a fresh page regardless of how much text is added elsewhere.
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Question 26
The operating system is a part of a specific category of computer software called:
System software is a type of computer program that is designed to run a computer's hardware and application programs. The operating system is the most vital piece of system software because it manages all hardware resources and provides the necessary platform for other software, like web browsers or word processors, to function.
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Question 27
The Windows taskbar is commonly used for viewing which of the following?
The taskbar, usually located at the bottom of the Windows screen, contains the System Tray (or Notification Area). By default, this area displays the current system date and time. It also shows active applications, pinned shortcuts, and status icons for system features like volume, network connectivity, and battery life.
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Question 28
What is the most frequently used long-term storage device in a standard computer?
The hard disk (or Hard Disk Drive/HDD) is the primary non-volatile storage device in a computer. It is used to permanently store the operating system, all installed software applications, and personal files. While SSDs are becoming more common, the hard disk remains the traditional standard for high-capacity, reliable long-term data storage.
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Question 29
The taskbar displays the names of the programs, windows, and files that are currently running on a computer.
In the Windows operating system, the taskbar serves as a central hub for managing active processes. It displays icons or labels for every open window and running application, allowing users to switch between them quickly. This feature provides a constant visual overview of all currently active files and software programs.
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Question 30
Accessibility Options in the Windows Operating System are designed specifically to assist users who are physically impaired.
Accessibility Options (now often found in the Ease of Access Center) provide specialized settings like Sticky Keys, High Contrast themes, and Screen Magnifiers. These features are essential for assisting individuals with visual, auditory, or motor impairments, ensuring they can effectively navigate and use the computer hardware and software interfaces.
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