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Unit 2 Data Revision Quiz

Authored by P Bates

Computers

9th Grade

Used 2+ times

Unit 2 Data Revision Quiz
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two categories of items that computers use binary to represent?

Data and program instructions

Images and sound

Text and graphics

Numbers and letters

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the maximum number of states that can be represented by a binary pattern of 4 bits?

4

8

12

16

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not part of the process of converting an unsigned integer from denary to binary?

Checking if value is less than or equal to denary number

Writing out powers of 2

Adding 1 to the binary pattern

Subtracting value from denary number

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do we use hexadecimal notation?

To confuse computers

To make data storage larger

To communicate long binary numbers more easily

To slow down data transmission

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the concept of overflow in binary arithmetic?

Extra bits are added to the binary pattern

Extra bits are discarded from the binary pattern

Extra bits are preserved in the binary pattern

Extra bits are shifted in the binary pattern

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the concept of ASCII?

A method of binary arithmetic

A type of digital sound file

A character set and encoding standard

A method of data compression

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the size of a bitmap image expressed as?

Width x Height in pixels

Number of bits in the colour depth

Number of colours used

Resolution in ppi

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