1.2 Main components of a computer system

What is the hardware component used to convert analogue data into digital data?

• Microprocessor

• Motherboard

• ADC

• DAC

Which component of a computer system is responsible for interpreting and executing commands?

• RAM

• ROM

• ALU

• CPU

What type of memory is often referred to as volatile or temporary?

• RAM

• ROM

• HDD

• SSD

Which device allows data to be entered into a computer?

• DAC

• CPU

• Output device

• Input device

What is the main purpose of an output device?

• Convert analogue data

• Enter data into a computer

• Control input devices

• Display results of processing

What is the main function of backing storage in a computer system?

• Temporary storage of data

• Permanent storage of data

• Control input devices

• Execute commands

Which type of memory is directly addressable by the CPU?

• Backing storage

• RAM

• ROM

• SSD

What is the general task of an operating system?

• Convert data

• Maintain security

• Store applications

• Control input devices

What is the main advantage of ROM over RAM?

• Temporary storage

• Non-volatile memory

• Volatile memory

• Faster data access

Which component of a computer system is responsible for carrying out calculations and logical decisions?

• Control unit

• DAC

• ALU

• Registers