1.1 Computer Systems

What is the purpose of the CPU

• To output data on the screen
• To process data and perform calculation
• To store data for later use
• To plug Input and Output devices

What four things can a computer do?

• Process, Input, Output, Store

• Input, Store Program, Output

• Output, Input Think, Store

• Store, Process, Index, Output

What are the two main components of the CPU?

• Control Unit, ALU

• ALU, CPU

• CPU, GPU

• Control Unit, CPU

What is the processor architecture that stores both instructions and data in main memory?

• Harvard

• Contemporary

• Von Neumann

• Intel

What is the name of the cycle used in the CPU?

• Fetch, Execute, Process

• Fetch, Process, Execute

• Fetch, Decode, Execute

• Decode, Execute, Fetch

What is a register?

• A small data store inside the CPU

• Used to process logical and mathematical operations

• Decodes instructions from RAM

• Main memory in a computer system

Which register stores data fetched from RAM?

• ALU

• ACC

• MAR

• MDR

Which register contains the address of the next instruction?

• ACC

• PC

• MAR

• MDR

Which register stores addresses to be looked up in Main Memory?

• MAR

• MDR

• PC

• ACC

Which register temporarily stores the results of calculations?

• PC

• ACC

• MAR

• MDR