1.2.4 Data Storage Numbers Quiz

What is the binary representation of the decimal number 10?

• 1111

• 1001

• 1010

• 1100

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.

What is the hexadecimal representation of the binary number 1010?

• D

• A

• C

• B

Convert the hexadecimal number 2F into its binary equivalent.

• 11010101

• 11110000

• 00101111

• 10101010

How are floating point numbers stored in computer memory?

• ASCII encoding

• IEEE 754 standard

• Binary-coded decimal

• Unicode standard

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

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

• 0 to 255

• -100 to 100

• -128 to 127

• -256 to 255

Explain the process of storing an integer in 2's complement form.

• The integer is divided by 2

• Binary representation of the positive integer is inverted and 1 is added to the result.

• The integer is multiplied by 2

• The integer is left unchanged

How is data stored in computer memory using the little-endian format?

• The most significant byte is stored first, followed by the less significant bytes.

• The least significant byte is stored first, followed by the more significant bytes.

• Data is stored randomly in little-endian format.

• Little-endian format does not store data in computer memory.

Explain the difference between RAM and ROM in terms of data storage.

• RAM and ROM both store data permanently

• RAM stores data temporarily while the computer is running, while ROM stores data permanently.

• RAM and ROM are the same and can be used interchangeably

• RAM and ROM both store data temporarily while the computer is running