Module 5 (weeks 9 and 10)

Question 1

What does RAM stand for?

Answer 1

random access memory

Question 2

What is a charge coupled device?

Answer 2

light-detecting microchip in a digital camera

Question 3

What are the areas of files and disks that are not apparent to the user called?

Answer 3

latent data

Question 4

What is wavelength?

Answer 4

distance between two consecutive peaks

Question 5

What is the order of the electromagnetic spectrum from highest nm to lowest? (7)

Answer 5

radio
microwave
infrared
visible light
UV
x-ray
gamma

Question 6

What wavelength is visible to the naked eye?

Answer 6

~400-700nm

Question 7

What type of light is used to enhance fingerprints and blood stains?

Answer 7

UV

Question 8

What do rods detect?

Answer 8

amount of light

Question 9

What do cones detect?

Answer 9

colour (red, green, blue)

Question 10

What type of bugs are the late stage scavengers?

Answer 10

hide beetles

Question 11

What type of fly is most likely to find a body outside first?

Answer 11

blowfly

Question 12

What is looked out to determine a body’s postmortem interval?

Answer 12

successional waves of insects

Question 13

What are the three branches of entomology?

Answer 13

medicolegal
urban
stored products

Question 14

What is the ratio of alcohol in the blood to alveoli?

Answer 14

2100:1

Question 15

What percentage of alcohol is absorbed into the portal vein?

Answer 15

20%

Question 16

How many times greater are you likely to have a car accident when your blood alcohol level is 0.15%?

Answer 16

25 times greater

Question 17

How many parts of body and how many legs does an insect have?

Answer 17

3 parts

2 legs per part, therefore 6

Question 18

What are the three types of insect growth in order?

Answer 18

ametabolous metamorphosis
paurometabolous metamorphosis
holometabolous metamorphosis

Question 19

What do tyre marks look like on dry and wet roads?

Answer 19

dry - darker

wet - lighter