Module 3 Unit 4

Question 1

you have a motherboard that is a designed for DDR2 memory that works at a bus speed of 533MHz . You have some DDR3 memory modules that also work at a bus speed of 533MHZ. Are the modules compatible with the motherboard?

Answer 1

No
Why? DDR3 modules cannot be used in DDR2 slots.

Question 2

Why can’t you use memory modules designed for a desktop computer in a laptop?

Answer 2

laptops are smaller form factor called SO – DIMM while desktops use DIMMs

Question 3

A hard drive is rated at 10,000 RPM. What is the significance of the statistic?

Answer 3

The number of revolutions per minute is one of the basic factors determining the speed of the drive.

10,000 RPM represents good performance 15,000 RPM is the best available.

Question 4

what type of connector would you use for an external hard drive to connect to a windows pc?

Answer 4

USB

Question 5

your computer has four SATA ports. How many hard drives can be installed?

Answer 5

4- each SATAport can be used to connect one Drive

Question 6

True or false? A single layer Blu-ray disc has greater capacity than a dual layer double-sided DVD.

Answer 6

True.
Blu-ray discs are 25 GB double sided DVDs are 17 GB

Question 7

what sort of device would you need to transfer data from a memory stick?

Answer 7

memory stick reader

Question 8

What sort of device could you use to expand the storage capacity of a smart phone

Answer 8

flash memory card