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Laabri

Computer Science - Binary Test

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Last updated over 4 years ago
20 Nsɛmmisa
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

What does the word ‘bit’ mean in Computing?

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2.

Which of the following is a binary digit?

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3.

Which of the following would you characterise as ‘binary’?

(You can select more than one option.)

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4.

Which of the following is a byte?

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5.

How many different sequences of 3 binary digits can there be?

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6.

How many different sequences of 5 binary digits can there be?

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7.

What is the size or length of this sequence of binary digits: 101?

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8.

Here is a sequence of binary digits:

011000101110010100110100010001110101001110001010101

What could this sequence represent? What could it mean?

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9.

Which of the following binary numbers is equivalent to decimal 4?

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10.

Which of the following binary numbers is equivalent to decimal 9?

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11.

Which of the following binary numbers is equivalent to decimal 27?

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12.

Which of the following decimal numbers is equivalent to binary 110?

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13.

Which of the following decimal numbers is equivalent to binary 10011?

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14.

Which of the following decimal numbers is equivalent to binary 11100?

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15.

Which prefix would you use to describe a quantity that is in the billions?

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16.

What does the prefix ‘mega-’ stand for?

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17.

Link the prefixes in the left-hand column to their meaning:

Draggable itemarrow_right_altCorresponding Item

Tera

arrow_right_alt

Billion

Mega

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Thousand

Giga

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Million

Kilo

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Trillion

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18.

Select the sizes that are equivalent to 8,000 bits:

(You can select more than one option.)

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19.

Select the sizes that are equivalent to 500MB (megabytes):

(You can select more than one option.)

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20.

In the left-hand column, there is a list of components and equipment used in digital devices for storing, processing, and transmitting information. Link them to the physical phenomena that they mainly rely upon to function:

Draggable itemarrow_right_altCorresponding Item

Optical drives

arrow_right_alt

E

Optical fibre cables

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Magnetism

Network cables

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Light

Wireless transmitters and receivers

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Light

Hard drives

arrow_right_alt

Electricity

Integrated circuits (used in processors, graphics cards, memory chips, etc.)

arrow_right_alt

Electromagnetic waves