Unit 1 - Computer Systems Quiz

What is the function of input devices in a computer system?

• To show the result of processing

• To access data quickly from secondary storage

• To enter instructions and data for processing

• To store data permanently

Which of the following is an example of an output device?

• Microphone

• Monitor

• Scanner

• Keyboard

What is the purpose of secondary storage devices in a computer system?

• To store data temporarily

• To store permanent data and software

• To access data quickly for processing

• To improve the performance of the CPU

What happens to the contents of RAM when the computer is turned off?

• They are stored permanently

• They are accessed quickly by the CPU

• They are stored in cache memory

• They are lost

What is the purpose of cache memory in a computer system?

• To store data temporarily

• To improve the performance of the CPU

• To access data quickly from secondary storage

• To store permanent data and software

Which of the following is an example of an input device?

• Speakers

• Printer

• Touch screen

• Monitor

What was the main advantage of Von Neumann architecture?

• Smaller physical size

• Easy re-programming

• Faster processing speed

• Lower energy consumption

What is the function of the Arithmetic Logic Unit (ALU) in a CPU?

• To direct the flow of instructions and data

• To perform mathematical and logical operations

• To hold the memory location of data to be accessed

• To contain the location of the next instruction to be executed

What is the purpose of the Address Bus in a computer system?

• To direct the flow of instructions and data

• To carry control signals internally and to peripherals

• To carry data between memory addresses or input/output ports

• To carry information on where data is held in RAM

Which type of memory is volatile and lost when the power is switched off?

• ROM

• RAM

• Cache memory

• Flash memory