What does “8-bit” mean in a computer system?, The computer has 8 programs, The processor works with 8 bits of data at a time, The computer has 8 keyboards, The computer runs for 8 seconds, What is the largest number an unsigned 8-bit value can store?, 127, 255, 512, 64, What is the main difference between unsigned and signed numbers?, Signed numbers can represent negative values, Unsigned numbers are larger, Signed numbers use letters, Unsigned numbers use decimal, What is two's complement used for?, Storing text, Representing negative binary numbers, Converting to hexadecimal, Increasing file size, What does a left shift do in binary?, Divides the number by 2, Multiplies the number by 2, Makes the number negative, Converts it to hexadecimal, What happens when overflow occurs in an 8-bit system?, The number resets to zero, The result is too large to fit in 8 bits, The computer stops working, The number becomes negative, Why is hexadecimal often used in computing?, It is easier to read than long binary numbers, It uses more memory, It replaces binary, It only works with text, What is ASCII used for?, Storing images, Representing characters using numbers, Increasing storage size, Compressing files, How many bits are in 1 byte?, 4, 8, 16, 32.

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