IMPCB - Math and Statistics II

What operation is performed to double a binary number?

• Inverting each bit

• Inverting the left most bit

• Reversing the order of the bits

• Shifting each bit to the left and adding a 0 on the right

What is 01110101 in decimal?

• 184

• 117

• 317

• 96

What is the size of an 8 cm object on a image with a 50 cm field of view on a 512 X 512 matrix?

• 18 pixels

• 121 pixels

• 50 pixels

• 82 pixels

What type of memory can be read but not edited?

• HD

• RAM

• SDA

• ROM

A PET/CT scan acquires a 250 slice CT using a 512 X 512 pixel image grid at 16 bit pixel resolution and a 120 slice PET image using a 128 x 128 pixel image grid at 16 bit resolution. What is the total storage requirement for the PET/CT scan?

• 311MB

• 255MB

• 135MB

• 1080MB

What system is information storage on computers based on?

• a decimal system

• a binary system

• a octal system

• RAM

What type of data is lost when you turn a computer off?

• Magnetic Tape

• ROM

• RAM

• Hard Drive

Which computer component is responsible for executing a series of stored instructions?

• Hard disk

• RAM

• CPU

• SSD

How much storage is required for store an ASCII character?

• 8 bits

• 1 bit

• 16 MB

• 1 MB

What is the distance between points (0, 1, 2) and (3, 4, 5) on a 3-dimensional coordinate system?

• 6.1 cm

• 3.0 cm

• 4.7 cm

• 5.2 cm