Embedded systems quiz

What is the definition of an embedded system?

• A system designed to perform multiple functions using only hardware

• A system designed to perform a specific function using only hardware

• A system designed to perform a specific function using only software

• A system designed to perform a specific function using both hardware and software

Which of the following is an example of an embedded system?

• A microwave oven

• A washing machine

• A television

• A desktop computer

What was the Apollo Guidance Computer known for?

• Developed by MIT for the Cold War

• Providing flight information and controlling the Apollo spacecraft

• Controlling an automobile engine

• Being the first modern embedded system

What is the primary difference between SRAM and DRAM?

• DRAM is faster but more expensive than SRAM

• SRAM is non-volatile while DRAM is volatile

• DRAM is non-volatile while SRAM is volatile

• SRAM is faster but more expensive than DRAM

How is data erased in an EPROM?

• By applying an electrical charge

• By exposure to ultraviolet light

• By heating the chip

• By magnetic fields

What is the primary advantage of EEPROM over EPROM?

• EEPROM has faster write cycles

• EEPROM has higher capacity

• EEPROM can be erased electrically

• EEPROM is cheaper

What is the purpose of an optocoupler in an embedded system?

• To erase memory

• To isolate two parts of a circuit

• To provide visual indications

• To store data permanently

Which type of memory is typically used for code storage?

• DRAM

• SRAM

• PROM

• EEPROM

What is the main advantage of Flash memory devices?

• Low density

• Slow to read

• High cost

• Nonvolatile

What is the major difference between flash and EEPROM technologies?

• Erase byte-by-byte

• Erase one sector at a time

• High cost

• Fast to write