Jamar Mcfarlane Electronic Document Preparation And Management

The given answer "personal computers" is correct because the question is asking for two types of computers, and desktop computers and notebook computers are both examples of personal computers. The other options, such as mobile computers, midrange servers, and mainframes, do not fit the criteria of being types of computers mentioned in the question.

The correct answer is system unit. The system unit refers to the main component of a desktop PC where the motherboard, processor, and memory are housed. It is essentially the casing that contains all the internal components of the computer. The system unit is responsible for connecting and coordinating the different hardware components to ensure the proper functioning of the computer.

A hard drive is a storage device that stores a user's data. It is a non-volatile memory device that allows users to store and retrieve digital information. It is commonly used in computers and laptops to store operating systems, software applications, and personal files such as documents, photos, and videos. The data is stored magnetically on the hard drive's spinning disks, providing a long-term storage solution for users.

A desktop computer is a type of personal computer that is specifically designed to be placed on or under a desk or table. Unlike a laptop computer, which is portable and designed for use on the go, a desktop computer is intended to stay in one location. It typically consists of a system unit, which houses the central processing unit (CPU), memory, and storage, as well as input devices such as a keyboard and mouse. Other devices, such as a monitor, printer, and speakers, can also be connected to a desktop computer.

A laptop is a portable, personal computer that is specifically designed to be used while resting on one's lap. It is smaller and lighter than a traditional desktop computer, making it easy to carry around and use in various locations. Laptops typically have a built-in keyboard, trackpad or touchpad, and a screen that can be opened and closed like a clamshell. They are popular among students, business professionals, and anyone who needs a computer that can be easily transported and used on the go.

CD-ROMs and DVDs are not high-capacity output devices. While they are indeed output devices, they are not considered high-capacity as they have limited storage capacity compared to other storage devices such as hard drives or solid-state drives.

A scanner is the most likely input device to improve an organization's efficiency by facilitating the automatic conversion of printed text to editable text. Scanners are designed to capture images of printed documents and convert them into digital format, allowing the text to be edited and manipulated on a computer. This eliminates the need for manual typing or re-typing of printed text, saving time and effort for the organization.

The correct answer is Ctrl+Z; Ctrl+Y. The shortcut Ctrl+Z is commonly used to undo the previous action, while Ctrl+Y is used to redo an action that has been undone. These shortcuts are widely recognized and used in various software applications, allowing users to easily revert and repeat their actions without having to navigate through menus or use the mouse.

Dot matrix printers are the only type of printers that can print multi-part (carbon copy) forms. Unlike laser, inkjet, and thermal wax transfer printers, dot matrix printers use a series of small pins to strike an inked ribbon, transferring ink onto the paper. This impact printing method allows dot matrix printers to create multiple copies of a document simultaneously, making them ideal for printing carbon copy forms.

A smartphone is an internet-enabled telephone that usually also provides PDA capabilities. It offers the convenience of one-handed operation, allowing users to easily perform various tasks such as making calls, sending messages, accessing the internet, and using various applications. With its advanced features and connectivity options, a smartphone has become an essential device for communication, productivity, and entertainment purposes.

A storage device holds information and instructions for future use. This can include data that has been processed and organized, as well as instructions that guide the device on how to perform specific tasks. By storing this information and instructions, the device can access and retrieve them when needed, allowing for efficient and convenient use in the future.

A mainframe is considered the fastest and most powerful type of computer due to its ability to handle large-scale and complex computing tasks. It is designed to support multiple users and run multiple applications simultaneously. Mainframes are known for their high processing power, large storage capacity, and robust security features. However, due to their advanced capabilities and specialized design, mainframes are also the most expensive type of computer.

The correct answer is "Home". The Home key is used to move the cursor to the beginning of the document. This key allows the user to quickly navigate to the start of the text without having to scroll or use the mouse.