Presentation ~ above theme: "Data representation A series of eight bits is dubbed a byte. A byte deserve to be offered to represent a number or a character. As you’ll watch in the complying with table,"— Presentation transcript:




You are watching: A group of eight bits is called a

1 Data representation A series of eight bits is dubbed a byte. A byte deserve to be supplied to stand for a number or a character. As you’ll check out in the adhering to table, the byte that represents the integer value 0 is 00000000, through all eight bits “off” or set to 0. The byte that represents the integer worth 1 is 00000001, and also the byte the represents 255 is 11111111.

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2 Data depiction

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3 Microcomputers generally use the ASCII code to represent character data. Every byte represents a distinctive character such together the number 8, the letter A, or the dollar sign symbol $. For example, the phrase “Hi there!” is stood for by 9 bytes. Every of the 7 letters requires one byte, and the an are and the exclamation point also call for one byte each. Together you’ll watch in the following table, the ASCII password for the letter A is the byte 01000001, and the ASCII code for the small letter letter a is 01100001.

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4 Data depiction

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5 together a computer user, friend don’t need to know the binary representations of numbers, characters, and instructions—the computer handles every the necessary conversions internally. However, due to the fact that the quantity of storage in a computer and also its warehouse capacity space expressed in bytes, you do must be conscious of exactly how data is stood for to have actually an idea of just how much data you deserve to store in your computer.

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6 Data representation You will frequently see the signs KB, MB, and also GB in recommendation to both processing and also storage capacities.

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A kilobyte (KB) is around one thousand bytes, a megabyte (MB) is around one million bytes, and a gigabyte (GB) is about one billion bytes. 1 KB = 2 10 bytes = 1,024 bytes 1 MB = 2 20 bytes = 1,048,576 bytes 1 GB = 2 30 bytes = 1,073,741,824 bytes

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