Year 9 exam

What are the three things that affect the performance of the CPU?

• Clock speed, number of cores and cache

• speed, capacity and cost

• number of doors, cash and seeds

• cache, speed and registers

How does increasing cache memory affect the performance of a computer?

• Gives it a bigger capacity which makes the computer more efficient

• Increases the number of cores which makes the computer more efficient

• Data is transferred faster which makes the computer more efficient

• The computer is made more reliable but less efficient

What is secondary storage?

• short term / non volatile storage of data

• Long term / volatile storage of data

• Long term / non volatile storage of data

• long term / variable storage of data

Which type of memory is used to store the boot up sequence?

• RAM

• ROM

• VIRTUAL

• REGISTERS

Which type of memory is known as the WORKING MEMORY?

• VIRTUAL

• CACHE

• ROM

• RAM

Which of the following answers is a characteristic of RAM?

• You can read and write to it,

• It is non volatile

• It stores the boot up sequence

• Stores the data currently in use

Which answer gives 3 characteristics of storage devices?

• cost, speed and cache

• durability, reliability and speed

• Portability, durability and calamity

• virtual, cache and registers

What is meant by an embedded computer?

• A computer that makes your bed.

• A computer that can multitask.

• A computer that is built into another device.

• A computer that is used in manufacturing.

What does ALU stand for?

• Arithmetic Logic Unit

• Accumulator Logic Unit

• Arithmetic Learning Unit

• Arithmetic Logic Undercard

What does SSD stand for?

• Solid State data

• Solid State Device

• Storage State Device

• Solid Storage Device