
Units, Images, Sound & Compression Specs
Authored by Andrew Ward
Computers
9th - 10th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
I know and can explain how & why data needs to be converted into a binary format to be processed by a computer.
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2.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
I can convert denary whole numbers into 8 bit binary numbers and vice versa.
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3.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
I can add two 8 bit binary integers and explain overflow errors.
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4.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
I can convert positive denary whole numbers into 2 digit hexadecimal numbers and vice versa.
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5.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
I can convert from binary to hexadecimal and vice versa.
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6.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
I understand & can explain the use of binary codes to represent characters and the character sets: ASCII, Extended ASCII & Unicode.
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7.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
I understand & can explain how an image is represented as a series of pixels represented in binary, the metadata included in the image file & the effect of colour depth and resolution on the size of an image file.
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