Embedded Systems

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Embedded Systems exam questions17 questions with mark schemes and example answers

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Which statement describes an embedded system?: A computer inside a larger device that performs one dedicated function
Where are the programs of an embedded system normally stored?: In ROM
Which of these devices is a general purpose machine rather than an embedded system?: A desktop computer
How does the processor speed of an embedded system usually compare with a general purpose machine?: It is typically slower
A student tries to install a new game onto a car's engine control unit. Why does this not work?: It has one fixed purpose and cannot install new software
Embedded systems are usually described as very reliable. Why is this?: They each run one fixed program with a single purpose
Why can the embedded system inside a washing machine be described as a computer?: It takes inputs, processes data and produces outputs
Which term describes a computer that is built into a larger device so that it can carry out one dedicated function?: Embedded system
What is meant by a microcontroller?: A single chip that contains a processor, RAM and ROM
Which term describes a computer that can run many different programs and can have new software installed?: General purpose machine
What does an embedded computer combine in one unit?: A processor, RAM, ROM and input and output devices
A dishwasher has to heat the water at the correct point in its wash cycle. What carries out this task?: An embedded system running its fixed program
A modern car contains many embedded systems. Which statement about them is correct?: Each one controls a different dedicated function in the car
A company is designing a new microwave. Why is an embedded system a better choice than a general purpose computer to control it?: It has one fixed purpose, so it is very reliable

Embedded Systems

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