The CPU and Logic gates

CPU stands for

State the purpose of the CPU.

• To store data permanently

• To execute instructions and process data

• To provide power to the computer

• To connect to the internet

Which of the following are two types of operations carried out by the ALU?

• Arithmetic and Logical operations

• Memory and Storage operations

• Input and Output operations

• Networking and Communication operations

Which of the following describes the steps involved in the Fetch-Decode-Execute cycle?

• Fetch the instruction, decode the instruction, execute the instruction

• Decode the instruction, fetch the instruction, execute the instruction

• Execute the instruction, fetch the instruction, decode the instruction

• Fetch the instruction, execute the instruction, decode the instruction

In the Von Neumann architecture, RAM is used to store data such as a file that has been opened. Identify one other type of data that is stored in RAM.

• Operating system

• Hard disk data

• USB drive data

• CD-ROM data

Which of the following factors can affect the performance of a CPU?

• Clock speed

• Number of cores

• Both clock speed and number of cores

• Neither clock speed nor number of cores

Which of the following are differences between RAM and ROM?

• RAM is volatile, ROM is non-volatile

• RAM is used for temporary storage, ROM is used for permanent storage

• RAM can be written to, ROM cannot be written to

• RAM is faster than ROM

Which of the following items is typically held in RAM when a computer is running?

• Operating system

• Web browser

• Printer

• Monitor

Cache memory is used to:

• store frequently accessed data to speed up processing

• store data permanently

• store data temporarily without improving speed

• store data for backup purposes

A digital camera makes use of solid-state cards to store photos. Which of the following are reasons why the manufacturer has decided to use solid state cards?

• They are more durable and reliable than traditional storage methods.

• They have a higher storage capacity than other types of storage media.

• They are cheaper to produce than other storage options.

• They consume more power than other storage options.