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Questions and Answers
Application software is designed for compatibility with a specific ______ system.
operating
If you have a PC, then you need to install the Windows version of the ______.
software
New programs or new versions of an existing title may not work with an older computer or ______ system, so be sure to verify the minimum system requirements.
operating
Software updates can sometimes be buggy, meaning they don’t always run smoothly or may crash ______.
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Virtual apps are designed to run remotely, allowing you to perform tasks across ______, while saving your work locally or in the cloud.
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The root directory is compared to the branches of a tree in the file system.
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Adding subfolders to existing folders in the root directory creates offshoots of branches.
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The root directory is a term synonymous with the root folder.
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Each file system uses the same syntax to denote the directory path.
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On Windows machines, the primary hard drive is designated by the letter D followed by a colon (D:).
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The root directory path on Windows machines is denoted as C:/
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Backslashes are added to denote subsequent folders and subfolders within a directory path.
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The root directory contains all files and folders on a computer.
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Tracing a file's path on a computer starts from the root folder.
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File systems do not have specific ways of representing directory paths.
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Study Notes
Keyboard Shortcuts
- Application-specific shortcuts are designed to work only within a specific software application and vary from program to program.
- A convenient way to learn about shortcuts is to explore the program's drop-down menus.
- Keystroke combinations are typically written in an annotated style where the key name or abbreviation is connected to another key name by either a hyphen (-) or plus sign (+).
Binary System
- The binary system uses only two digits: 0 and 1.
- A bit (short for Binary digIT) is an instance of a zero or one in a computer.
- Bits are at the heart of how a computer stores and processes information.
Keyboard Key Functions
- There are three main categories of keys on a computer keyboard: character keys, modifier keys, and function keys.
- Character keys are used to insert letters, numbers, and punctuation symbols into a document or text-box window.
- Modifier keys are used to alter the actions of other keys or mouse clicks.
- Function keys are dedicated to performing tasks that are application-specific or user-defined.
Application Software
- System-specific shortcuts are built into the operating system software and will normally work with any platform-compatible software application.
- Application software is designed for compatibility with a specific operating system.
- Software updates can sometimes be buggy, meaning they don't always run smoothly or may crash unexpectedly.
History of Computers
- IBM's decision to use open architecture hardware allowed other companies to build similar systems, called clones.
- Microsoft developed the operating system software (MS-DOS) and retained ownership, which propelled the company to international fame.
Keyboard
- The keyboard is still one of the main input devices used for entering data into the computer.
- Most English language keyboards use the QWERTY arrangement for the layout of the alphanumeric keys.
Bits and Bytes
- A string of eight consecutive bits is called a byte and is used as one of the basic building blocks for encoding information into digital form.
- A byte can be arranged 256 (2^8) different ways by altering the order of the zeros or ones in the string.
- ASCII (American Standard Code for Information Interchange) translates its 128-character set into a binary equivalent.
- Unicode is an international encoding scheme that uses one to four bytes to define every character in most of the speaking languages in the world.
File Size and Storage Capacity
- Computer storage devices are rated in terms of how much binary data they can hold.
- The root directory represents the top-level of a hierarchical structure created by the file system for organizing folders and files.
- Each file system uses its own syntax to denote the directory path.
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Description
Test your knowledge on application-specific shortcuts and keystroke combinations used in various software programs. Learn how to navigate through drop-down menus and identify shortcuts displayed next to command line descriptions. Explore annotated style keystroke combinations commonly used for efficient navigation.
