For instance, a consumer purchased a 40G hard disk , but the actual capacity of it is only about 37G .The reason is that the capacity of memory is the exponent of 2

Date: 2015-10-07; view: 618.

Since the data stored on computer are binary sequence as 1s and 0s, the capacity of memory is the exponent of 2, so a kilobyte is 1024 bytes.

f. How can the difference in measuring bytes presented in part e impact a consumer when they are purchasing a hard disk drive?

1. Component Identification
   

Choose among the following components to label the image:

Motherboard
Power supply
BIOS ROM Chip
Cooling fan
Expansion slot
RAM chip
Expansion card
Disk drives
Chipset
IDE cable
Ethernet cable
PCI bus

a. Label A is Power supply

b. Label B is Cooling fan

c. Label C is Expansion slot

d. Label D is Expansion card

e. Label E is Motherboard

f. Label F is Disk drives

g. Label G is IDE cable

Describe the functionality of each of the following components (in 2 sentences or less):

a. Microprocessor: Processes instructions stored in main memory

b. RAM: Is a temporary holding area for both data and instructions. It is also referred to as main memory

c. Bus: A bus is a pathway through which data is transferred from one part of a computer to another

d. Expansion card: Enables a computer to control peripheral devices such as the monitor and the microphone

e. Disk drive: Computer hardware that holds and spins a magnetic or optical disk and reads and writes information on it

f. IDE cable: Transfers data from storage devices to the motherboard

AT Attachment, is an interface standard for the connection of storage devices

1. Compression

a. What is compression?