Hardware Quiz

What is the primary purpose of input devices in a computer system?

• To store data permanently

• To provide data or commands to the computer

• To process data

• To display output

Which of the following is an example of secondary storage?

• RAM

• CPU cache

• Solid-state drive (SSD)

• ROM

What is a key characteristic of an embedded system?

• It is general-purpose and runs multiple applications

• It is designed for a specific function within a larger system

• It requires constant user interaction

• It cannot be reprogrammed

Which component is responsible for temporarily holding data that the CPU is currently processing?

• Hard disk

• RAM

• ROM

• SSD

What is the function of a buffer?

• To permanently store data

• To temporarily hold data while it is being transferred

• To increase CPU clock speed

• To connect input and output devices

Which type of memory is non-volatile and used to store firmware?

• RAM

• SRAM

• ROM

• DRAM

What is the main difference between SRAM and DRAM?

• SRAM is slower but cheaper than DRAM

• SRAM does not need refreshing, while DRAM does

• DRAM is used in cache memory, while SRAM is used in main memory

• SRAM is volatile, while DRAM is non-volatile

Which of the following is a disadvantage of embedded systems?

• High flexibility for running different applications

• Difficult to upgrade or modify

• Requires frequent user intervention

• High power consumption

What is the role of an actuator in a control system?

• To measure physical quantities

• To process sensor data

• To convert electrical signals into physical movement

• To store program instructions

Which type of ROM can be erased using ultraviolet light?

• PROM

• EPROM

• EEPROM

• Flash memory