BT403 Handouts PDF GETCAREERALERT.COM

So, in addition to the allowed playback quality, audio and video compression Systems are often judged on the transmission speeds required to transfer data in a timely manner. these speeds are usually measured in bits per second (bps).  BT403 Handouts PDF Common units include Kbps (kilo-bps, equal to one thousand bps), Mbps (mega-bps, equal to one million bps), and Gbps (giga-bps, equal to one billion bps). Using MPEG techniques, video presentations can be successfully relayed over communication paths that provide transfer rates of 40 Mbps.

BT403 Handouts PDF

BT403 Handouts PDF
BT403 Handouts PDF

MP3 recordings generally require transfer rates of no more than 64 Kbps. 32.  BT403 Handouts PDF Data Manipulation: CPU Basic A CPU consists of three parts (Figure 41): the arithmetic/logic unit, which contains the circuitry that performs operations on data (such as addition and subtraction); the control unit, which contains the circuitry for coordinating the machine’s activities; and the register.

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Operating System: Component (I) Now let’s focus on the components within the operating system domain. In order to run For actions requested by a computer user, the operating system must be able to communicate with the computer user. User. BT403 Handouts PDF The part of the operating system that deals with this connection are often called the user interface. The old user interface, called a shell, used a keyboard to communicate with the user via text messages. And the screens of more modern systems do this through a graphical user interface.

(GUI – pronounced “GOO-ee”) Manipulative objects, such as files and programs Shown as an icon on the screen. These systems allow users to place orders with a single use.  BT403 Handouts PDF For many common input devices. For example, a computer mouse with one or more buttons can be used Click or drag the icon on the screen. Instead of mice, they are special pointing devices or pens Commonly used by graphic designers and some types of mobile devices.

BT403 Handouts PDF
BT403 Handouts PDF

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