Term Three Computer Science Recap

What is the purpose of the CPU?

• To execute the fetch-execute cycle

• To store data permanently

• To manage network connections

• To provide power to the computer

Which of the following is a component of the CPU?

• ALU (Arithmetic Logic Unit)

• Hard Drive

• RAM

• Power Supply

What is the role of the Memory Address Register (MAR) in Von Neumann architecture?

• To hold the address of the next instruction

• To store the result of calculations

• To manage input/output operations

• To control the power supply

How does clock speed affect CPU performance?

• Higher clock speed increases performance

• Higher clock speed decreases performance

• Clock speed has no effect on performance

• Clock speed only affects power consumption

What is an example of an embedded system?

• Washing machine

• Desktop computer

• Smartphone

• Laptop

What is the primary purpose of RAM in a computer system?

• To store the operating system permanently

• To provide temporary storage for active processes

• To store data when the computer is turned off

• To manage network connections

Which of the following is a characteristic of ROM?

• It is volatile

• It can be easily modified

• It retains data without power

• It is used for temporary storage

Why might virtual memory be needed in a computer system?

• To increase the speed of the CPU

• To provide additional storage when RAM is full

• To enhance graphics performance

• To connect to external devices

Which of the following is NOT a type of secondary storage?

• Optical

• Magnetic

• Solid state

• Cache

What are the types of compression?

• Lossy and Lossless

• Fast and Slow

• High and Low

• Simple and Complex