Y10 Mock - 2022

Which two of these statements best descirbes RAM?

• Used to store files permanently

• Volatile

• Holds data from open programs

• Non-Volatile

What is the purpose of cache?

• To hold frequently used instructions

• To complete the arithmetic and logical calculations

• To determine the speed that FDE cycles happen

• To protect the computer from external hackers

Which two statements best describes ROM?

• Non-Volatile

• Volatile

• Can only be read from

• Can write data to and read data from

Which utility tool is used to reorganise files on a HDD?

What is the purpose of encryption software?

• To prevent unauthorised people reading data

• To prevent data from being stolen

• To speed up hte opening of files saved on secondary storage

• To reduce the file size of saved files.

One of the roles of the OS is to manage peripherals. Which statment below best describes this?

• Controlling the input & output devices connected to the computer

• Allocating space in memory when new applications are open

• Allowing the creation of user accounts and passwords

• Preventing suspicous data from entering the network.

Which three of the following are functions of the operating system?

• Providing a user interface

• Managing Memory

• Managing Files

• Determining the speed of the FDE cycle

Identify one benefit of using a command line interface instead of a graphical user interface.

• It is more intuitive.

• Easier for the average user.

• Uses less system resources.

• Is more visual

How many cycles per second would a 3.1Ghz processor complete?

• 3,100,000,000

• 3,100,000

• 3,000,000,000

• 3,100,000,000,000

Which three are methods of improving the performance of the CPU?

• Higher clock speed

• Increasing cache size

• More cores

• More ROM