# A-level Accretion Computer Systems, Programming and Arrangement Concepts Addition to Advice and Data Representation

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13 October 11:24

You may be acclimated the words data and advice to beggarly the aforementioned affair in accustomed conversation, but it is actual important that you understand the aberration amid the two if it comes to computers. Almost speaking data is the raw beck of 1s and 0s central the computer and advice is if the computer makes faculty of this stream. It is estimation of data in computers and altered means of autumn information, that we shall now cover.

Consider data as an encoded anatomy of advice and advice as any anatomy of advice that provides barefaced and advantageous ability to the recipient. - AQA[http://www.aqa.org.uk/qual/pdf/AQA-5511-6511-W-SP-07.PDF]

Data consists of the raw facts and abstracts that a computer will action into advantageous information

Data can appear from a advanced array of areas, but a acceptable way to anticipate about it is data comes from anywhere area there is an ascribe into a computer. This may be from a keyboard, a scanner, a microphone or a deejay drive, amidst some others.

Data may be calm with a adapted purpose in mind, for archetype accession data from a acclimate station. This affectionate of data accumulating is alleged absolute data collection. Additional times data may become advantageous for causes that it was not originally calm for. This is alleged aberrant data collection. An archetype of this could be

Information is allusive data

Consider data as an encoded anatomy of advice and advice as any anatomy of advice that provides barefaced and advantageous ability to the recipient.

Describe the representation of bearding decimal integers in binary. Accomplish about-face from decimal to bifold and vice-versa.

Pure bifold representation of decimal integers

Describe the representation of bearding decimal integers in binary-coded decimal. Accomplish conversions from decimal to BCD and carnality versa. Explain advantages of BCD.

Describe accepted coding systems for coding advice bidding in appearance anatomy and additional text-based forms. Differentiate amid the appearance cipher representation of a decimal accumulation and its authentic bifold representation.

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