Glossary

analog signal: A signal whose characteristics such as amplitude and frequency vary in proportion to (are an analog of) the value to be transmitted. Voice communications are analog signals.

application: A group of programs that together are used for a specific task such as accounting, financial planning, spreadsheets, word processing and games.

ASCII: American Standard Code for Information Interchange. ASCII code is a set of 256 binary codes that represent the most commonly used letters, numbers, and symbols.

asynchronous: Lacking regular time relationship. As applied to computer communications, asynchronous refers to the method of transmitting data that does not require a steady stream of bits to be transmitted at regular time intervals.

B

backup: A copy of a file, usually on a removable disk, kept in case the original file is lost or damaged.

binary: The base two number system composed of zeros and ones (off or on), used by most digital computers. The right-most digit of a binary number has a value of 1, the next a value of 2, then 4, 8, 16, and so on. For example, the binary number 101 has a value of 5. See also

ASCII.

BIOS: Basic Input/Output System. The firmware that controls data flow within the computer. See also firmware.

bit: Derived from "binary digit," the basic unit of information used by the computer. It is either zero or one. Eight bits is one byte. See also byte.

Bluetooth: A short-range radio technology designed to simplify wireless communication among computers, communication devices and the Internet.

board: A circuit board. An internal card containing electronic components, called chips, which perform a specific function or increase the capabilities of the system.

boot: Short for bootstrap. A program that starts or restarts the computer. The program reads instructions from a storage device into the computer’s memory.

boot disk: See system disk.

bootable disk: See system disk.

bps: Bits per second. Typically used to describe the data transmission speed of a modem.

buffer: The portion of the computer’s memory where data is temporarily stored. Buffers often compensate for differences in the rate of flow from one device to another.

bus: An interface for transmission of signals, data or electric power.

User’s Manual

Glossary-3

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NB255N245 specifications

The Toshiba NB255N245 is a compact and versatile netbook that offers a blend of portability and functionality, making it an ideal choice for users on the go. With its lightweight design and durable construction, this netbook caters to a wide range of needs, from casual browsing to productivity tasks.

One of the standout features of the Toshiba NB255N245 is its 10.1-inch LED-backlit display, providing crisp visuals while maintaining a small form factor. This display is perfect for web surfing, watching videos, or working on documents, delivering a vibrant viewing experience despite the device's size. The resolution of 1024 x 600 pixels ensures that text and images remain clear.

Powered by the Intel Atom N455 processor, the NB255N245 is designed for efficient performance to handle everyday computing tasks. This energy-efficient processor, coupled with 1GB of DDR3 RAM, ensures smooth multitasking without draining the device's battery. The netbook is equipped with a 250GB hard drive, providing ample storage for important files, photos, and multimedia content.

Another prominent feature of the Toshiba NB255N245 is its outstanding battery life. With a fully charged battery, users can enjoy up to 8 hours of usage, making this device perfect for long trips or extended periods away from a power source. Its efficient energy management means less time tethered to a charger and more time engaging with content or completing tasks.

The Toshiba NB255N245 also comes with built-in Wi-Fi connectivity and an integrated webcam, making it suitable for video conferencing and staying connected with friends and family. With three USB ports, an SD card reader, and a VGA output, the netbook offers excellent connectivity options for peripherals and external displays.

In terms of design, the NB255N245 showcases a sleek and modern aesthetic. Its comfortable keyboard and responsive touchpad facilitate easy navigation and typing, enhancing user experience. The compact size, weighing only around 2.6 pounds, allows for easy portability, catering to users who require a device that can fit into small bags or backpacks.

Overall, the Toshiba NB255N245 is an excellent choice for users seeking an affordable, portable device that does not compromise on functionality. Whether for work, study, or leisure, this netbook delivers reliable performance and convenience, making it a compelling option in the world of small-form-factor computing.
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