INTRODUCTION TO EMBEDDED SYSTEMS

Which of the following provides an efficient method for transferring data from a peripheral to memory?

• dma controller

• serial port

• parallel port

• dual port

Which of the following is used to transfer the data from the DMA controller to the destination?

• data bus

• address bus

• request bus

• interrupt signal

It retains its content when power is removed. What type of memory is this?

• Volatile memory

• Nonvolatile memory

• RAM

• SRAM

It is feasible for an in-circuit emulator to terminate at the middle of the program execution so as to examine the contents of _________

• memory

• registers

• both a & b

• none of the above

How many of the following are examples of Embedded Systems?

• Mobile Phone

• Washing Machine

• Microwave

• Fridge

• Laptop

True or False, all embedded systems need an operating system to enable them to function correctly?

• True

• False

On a washing machine, the embedded system receives INPUT by ...

• Someone choosing a wash cycle

• Filling up the washing machine with water

• Draining the water

What is an embedded system?

• Computers embedded into computers
• Computers built into other devices
• Computers that sleep
• Micro computers

Which device does not use an embedded system?

• Dishwasher
• Washing machine
• Radiator
• Microwave

Which best describes the pattern that any embedded system should follow?

• input-output-process
• process-output-input
• process-input-output
• input-process-output