Data Representation

What is the binary equivalent of the decimal number 13?

• 1101

• 1011

• 1110

• 1001

How many bits are in a byte?

• 4

• 8

• 16

• 32

What is the hexadecimal equivalent of the binary number 1010 1101?

• 9D

• AD

• BD

• AB

In image representation, what does the term 'bit depth' refer to?

• The size of the image file

• The number of bits used to represent the color of a single pixel

• The resolution of the image

• The compression ratio of the image

Which of the following is not a characteristic of sound waves?

• Frequency

• Amplitude

• Bit rate

• Wavelength

What is the decimal equivalent of the hexadecimal number A1?

• 151

• 161

• 171

• 181

What is the purpose of using hexadecimal representation in computing?

• To increase the processing speed of the computer

• To represent binary numbers in a more human-readable form

• To reduce the file size of images

• To improve the resolution of digital images

What is the binary equivalent of the hexadecimal number 1F?

• 00011111

• 11111000

• 11110000

• 00010000

In terms of image representation, what does 'resolution' refer to?

• The number of pixels in the image

• The bit depth of the image

• The file size of the image

• The compression ratio used

What is the term for the process of converting analog sound waves into digital signals?

• Compression

• Decompression

• Sampling

• Quantization