Binary Numbers and Computer Systems

What are the columns when converting binary to decimal?

• 128 64 32 16 8 4 2 1

• 64 32 16 8 4 2 1 0

• 1 2 4 8 16 32 64 128

• 0 1 2 4 8 16 32 64 128

What does each pixel in a bitmap image contain?

• Information about the colour to be displayed

• Information about the size of the image

• Information about the file format

• Information about the resolution

What is the relationship between the resolution of an image and the number of pixels?

• Higher resolution images have more pixels

• Lower resolution images have fewer pixels

• Higher resolution images have fewer pixels

• Lower resolution images have more pixels

Which peripheral device can be used to input data into a computer system?

• Speaker

• Keyboard

• Monitor

• Printer

Which of the following is the correct decimal equivalent of the binary number 100110?

• 38

• 36

• 34

• 32

How is colour information stored in pixels?

• Each pixel stores colour information as binary code

• Each pixel stores colour information as decimal numbers

• Each pixel stores colour information as text

• Each pixel stores colour information as hexadecimal values

What is the binary representation of the decimal number 10?

• 1100

• 1001

• 1010

• 1111

What is the base of binary numbers used in computer systems?

• 2

• 8

• 10

• 16

Which component of a computer system is responsible for providing power to all other components?

• Hard Drive

• Graphics card

• Motherboard

• Power supply

What component of a computer system is responsible for handling communication between all other components?

• Power supply

• Motherboard

• Graphics card

• Hard Drive