1.2.4 Data Storage Numbers Quiz

1.2.4 Data Storage Numbers Quiz

10th Grade

10 Qs

quiz-placeholder

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1.2.4 Data Storage Numbers Quiz

1.2.4 Data Storage Numbers Quiz

Assessment

Quiz

Computers

10th Grade

Hard

Created by

Mrs R Rose-Green

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the binary representation of the decimal number 10?

1111

1001

1010

1100

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the process of converting a binary number to its decimal equivalent.

Divide each digit by 2 and then add the results together.

Multiply each digit by 2 raised to the power of its position and then add the results together.

Subtract each digit from 2 and then add the results together.

Add each digit together without any multiplication.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the hexadecimal representation of the binary number 1010?

D

A

C

B

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Convert the hexadecimal number 2F into its binary equivalent.

11010101

11110000

00101111

10101010

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are floating point numbers stored in computer memory?

ASCII encoding

IEEE 754 standard

Binary-coded decimal

Unicode standard

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the concept of normalized form in floating point number storage.

Converting a number to binary form

Storing numbers in alphabetical order

Representation of a number in scientific notation with a single non-zero digit to the left of the decimal point.

Representing a number with multiple non-zero digits to the left of the decimal point

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the range of an 8-bit signed integer?

0 to 255

-100 to 100

-128 to 127

-256 to 255

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