Computer Science Quiz

What is the binary code for the ASCII character 'A'?

• 01000001

• 10000001

• 00100001

• 11000001

Which character set includes characters from multiple languages?

• ASCII

• Unicode

• Binary

• Alphanumeric

How many bits are used to represent a character in ASCII?

• 8 bits

• 16 bits

• 7 bits

• 32 bits

What does the term 'character set' refer to?

• A series of characters that can be used in a computer system

• The physical keyboard layout

• The binary code for a character

• None of the above

Which of the following is true about Unicode compared to ASCII?

• It uses more bits to represent each character

• It can only represent English characters

• It uses fewer bits per character

• All characters are represented the same as in ASCII

What does 'color depth' refer to in the context of image files?

• The number of colors that can be displayed

• The size of the image file

• The resolution of the image

• The height of the image

If an image has a higher resolution, what is the impact?

• Better quality and larger file size

• Lower quality and smaller file size

• Better quality and smaller file size

• Lower quality and larger file size

What is the role of metadata in image files?

• It stores information like height, width, and color depth

• It compresses the image file

• It enhances the image quality

• It reduces the image resolution

Which format is likely to use lossless compression?

• JPEG

• PNG

• BMP

• GIF

How does increasing the color depth affect the image file?

• Increases the file size

• Decreases the file size

• Does not affect the file size

• Makes the file easier to compress