Understanding Data Representation and Sizes

What is the binary representation of the decimal number 10?

• 1010

• 1100

• 1001

• 1110

How many bits are there in 5 bytes?

• 20 bits

• 40 bits

• 50 bits

• 60 bits

If an image is 800 pixels wide and 600 pixels high with a colour depth of 24 bits, what is the file size in bytes?

• 1,440,000 bytes

• 1,200,000 bytes

• 2,400,000 bytes

• 3,600,000 bytes

A sound file is recorded at a sample rate of 44.1 kHz with a bit depth of 16 bits for 2 minutes. What is the file size in bytes?

• 10,584,000 bytes

• 21,168,000 bytes

• 42,336,000 bytes

• 84,672,000 bytes

Which of the following is a method of data representation?

• Hexadecimal

• Octal

• Binary

• All of the above

What is the bit depth of an image that can display 256 different colours?

• 4 bits

• 8 bits

• 16 bits

• 24 bits

Convert the binary number 1101 to decimal.

• 11

• 12

• 13

• 14

How many bytes are there in 1 kilobyte (KB)?

• 1600 bytes

• 1024 bytes

• 2048 bytes

• 512 bytes

If an image has a resolution of 1024x768 pixels and a bit depth of 32 bits, what is the file size in bits?

• 3,145,728 bits

• 24,359,296 bits

• 25,165,824 bits

• 5,242,880 bits

What is the binary equivalent of the decimal number 15?

• 1110

• 1111

• 1101

• 1011