Computer Science Basics Quiz

What does CPU stand for?

• Central Programming Unit

• Central Processing Unit

• Computer Processing Unit

• Computer Programming Unit

Which of the following is the best definition of an embedded system?

• A computer system with a specific purpose built into another device

• A high-performance computer for general tasks

• The physical components that make up a computer

• The programs and applications that run on a computer

Which of these is an example of an embedded system?

• A laptop

• A desktop PC

• A washing machine

• A server

What is the name of the cycle the CPU continuously performs?

• The Instruction Process Cycle

• The Fetch-Decode-Execute Cycle

• The Data-Process-Output Cycle

• The Input-Process-Storage Cycle

Which component of the CPU is responsible for carrying out arithmetic and logic operations?

• Control Unit (CU)

• Cache

• Register

• Arithmetic Logic Unit (ALU)

What is the function of the Control Unit (CU)?

• To perform mathematical calculations

• To control the flow of data and send signals to internal components

• To store frequently used instructions

• To store the results of calculations

What is the purpose of CPU Cache?

• To store all the computer's programs permanently

• To temporarily hold data and instructions that the processor is likely to reuse

• To provide long-term storage for the operating system

• To manage the computer's network connection

Which register holds the memory address of the next instruction to be fetched?

• Memory Data Register (MDR)

• Accumulator (ACC)

• Program Counter (PC)

• Memory Address Register (MAR)

Which register holds the result of calculations performed by the ALU?

• Program Counter (PC)

• Accumulator (ACC)

• Memory Data Register (MDR)

• Memory Address Register (MAR)

How does increasing the number of cores affect CPU performance?

• It slows the computer down

• It increases the number of instructions it can process at the same time

• It reduces the amount of RAM needed

• It makes the screen display brighter