Computer Science Quiz

What is a base-2 numbering system that uses only two digits, 0 and 1, to represent value?

• Decimal

• Hexadecimal

• Binary

• Octal

What is the smallest unit of data in a computer, representing a single binary digit?

• Byte

• Bit

• Nibble

• Pixel

Which numbering system uses digits 0-9 and letters A-F to represent values?

• Binary

• Decimal

• Hexadecimal

• Octal

A group of 8 bits, often used to represent a character, such as a letter or a number in text, is called a (a)  

• Bit
• Nibble
• Byte
• Pixel

What is the maximum decimal value of a color channel with 24 bits per pixel?

• 128

• 255

• 512

• 1024

What does the RGB abbreviation stand for?

• Red, Green, Black

• Red, Gray, Blue

• Red, Green, Blue

• Red, Gold, Blue

What is a six-digit hexadecimal value used to represent colors on a screen?

• Binary Code

• Hex Code

• ASCII Code

• Decimal Code

Match the following terms with their correct definitions.

• The smallest unit of a digital image or graphic.

• Nibble

• A group of 4 bits.

• Bit

• The smallest unit of data in a computer, represented as 0 or 1.

• Pixel

• A group of 8 bits.

• Byte

What does "Bits Per Pixel" refer to?

• The number of pixels in an image

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

• The number of colors in a palette

• The number of pixels on a screen

What is the "Base" in a numbering system?

• The number of bits in a byte

• The number of unique digits, including zero, that a numbering system uses

• The number of colors in a pixel

• The number of bytes in a kilobyte