3. Software

Question 1

Components in a CPU

Answer 1

• accumulator (ACC)
  -Control unit (CU)
  -Program counter (PC)
• Memory address registers (MAR)
• memory data register (MDR)
• Current instruction register (CIR)
• arithmetic logic unit (ALU)
• (clock)
• (cache)
• ((core))
• data bus
  -address bus
  -control bus

Question 2

Role of Central processing unit (CPU)

Answer 2

The CPU processes instructions and data that are
input into the computer so that the result can be
output

Question 3

Function of clock

Answer 3

Regulates the number of fetch–decode–execute cycles the CPU can perform in a second

Question 4

Function of (ALU) automatic logic unit

Answer 4

Component in the CPU that carries out all calculations and logical operations

Question 5

Cloud storage characteristics

Answer 5

• data is accessed through a network
  -data is stored remotely
• physical servers are used to store the data

Question 6

Advantages of storing data in cloud storage

Answer 6

• -that can be access from any location
- meaning that People can access it from (work) anywhere with a connection

• - the hardware is maintained by a third-party.
- Meaning a eg. company is not responsible for maintaining

• -Can increase the storage easily
- Without needing to buy a new hardware

• - do not need to have the hardware needed
- costs can be saved on the space saved for this

• - Call system back up the data
- meaning meaning eg. Company does not need to do this

Question 7

Disadvantages of cloud storage

Answer 7

• - internet connection is needed
- If Internet connection is not available, the data cannot be accessed
• - Employees (If it is a company, storing in the cloud storage) Pressured to work outside hours
- As they can access the data from any location