Computer Science Test 2 Nddc Scholarship

The mouse, joystick, and trackball are all input devices used to provide data or control signals to a computer. A printer, however, is an output device because it receives data from the computer and converts it into a physical form on paper. Therefore, the printer does not belong in the same functional category as the others.

This statement is false. The hierarchy of a file system is designed so that folders (or directories) act as containers that hold both files and other sub-folders. A file is a discrete unit of data (like a document or an image) and cannot function as a container for other structural elements like folders.

If 'Use Printer Offline' is enabled in the settings, Windows will continue to accept and queue print jobs but will not actually send them to the hardware. The documents will stay in the print spooler until the user manually unchecks the 'offline' option, regardless of the printer's physical status.

Using commercial software without a valid license or payment is a form of software piracy. Commercial software is protected by copyright law, and using it without permission is illegal. Shareware is designed for trial use, and freeware is intentionally provided by the author for free distribution.

Icons are graphical symbols used in a GUI (Graphical User Interface) to represent programs, files, or folders. They act as visual shortcuts that allow users to quickly execute applications or open documents with a simple click, rather than having to type out long file paths or commands.

The statement is false. The Menu Bar (File, Edit, View, etc.) contains text-based drop-down menus. The area that typically contains shortcut icons for common tasks is called the Toolbar. While they are often located near each other, they serve different functional roles within an application's interface.

This is true. One of the key features of the USB (Universal Serial Bus) standard is that it carries both data and a small amount of DC power. This allows many low-power peripherals, like mice, keyboards, and flash drives, to operate without needing an external power adapter or batteries.

A file is the primary unit of storage in a computer. It is a logical collection of related data—whether it be text, code, or media—that is given a name and stored on a disk. The operating system treats this block of information as a single discrete entity for the purposes of opening, saving, or moving data.

A scanner is an input device used to capture physical images or text and convert them into digital data for the computer to process. In contrast, speakers, monitors, and printers are all output devices because they take information from the computer and present it to the user in a human-readable or audible form.

All devices in this group—Joystick, Optical Mark Reader (OMR), Scanner, Magnetic Ink Character Recognition (MICR), and Barcode Reader—are designed to feed external data into a computer system. Other options are incorrect because they include output devices such as monitors, plotters, or LEDs which display or produce information for the user.