Introduction to Embedded Systems

Question 1

Based on the lecture, which file(s) can be converted to an object file? (can be more than 1)
1. decoded file
2. assembly file
3. hex file
4. c file

Answer 1

Assembly File
C file

Question 2

Which of these are properties of embedded systems?
1. Based on microcontrollers
2. Infinite memory
3. Unlimited processing power
4. Able to handle certain timing constraints

Answer 2

Based on microcontrollers
Able to handle certain timing constraints

Question 3

Which one is an intermediate file produced by the compiler?
1. Object file
2. Objective file
3. Binary file
4. Objection file

Answer 3

Object file

Question 4

Which is/are the typical product development process?
1. Testing
2. Deployment
3. Implementation
4. All of the above

Answer 4

All of the above

Question 5

Which of the following is true about “hard real-time constraints”?
1. Typically non-critical systems
2. Missed deadline can have extreme consequences
3. Tasks have no deadlines
4. A late response can degrade a system

Answer 5

Missed deadline can have extreme consequences

Question 6

6. Choose the programming language that is the lowest level
   
   1. Assembly
   2. C
   3. Fortran
   4. Object

Answer 6

Assembly

Question 7

7. A Compiler
   
   1. is also called an Assembler
   2. translate source codes in ‘C’ language into an executable file
   3. translate source codes in ‘C’ language into object files
   4. arranges all the ‘.c’ files in the folder

Answer 7

translate source codes in ‘C’ language into object files

Question 8

8. 17 && 23 = ?
   
   1. 6
   2. 1
   3. 40
   4. 0

Answer 8

1

Question 9

9. The Linker
   
   1. combines one or more object files into a single executable file
   2. executes a file
   3. loads the executable file to the memory for execution
   4. archives the data files into a single executable file

Answer 9

combines one or more object files into a single executable file

Question 10

10. Which of the following properties of embedded systems are true? (2 correct answers)
    
    1. Necessity for strict timing constraints
    2. Microcontrollers are typically used rather than microprocessors
    3. Dedication to a wide range of tasks
    4. Utilisation of high memory and computing power

Answer 10

Necessity for strict timing constraints
Microcontrollers are typically used rather than microprocessors

Question 11

11. Which is the main characteristic of low-level language?
    
    1. Productivity
    2. Very easy to understand
    3. Compact and optimised
    4. Do not need a compiler/assembler

Answer 11

Compact and optimised

Question 12

12. A startup code typically
    
    1. initialize the Stack
    2. reset all the memory
    3. initialize the Heap
    4. calls the main function

Answer 12

initialize the Stack
initialize the Heap
calls the main function

Question 13

13. Which best describes the pattern that any embedded system should follow?
    
    1. process-input-output
    2. input-process-output
    3. input-output-process
    4. process-output-input

Answer 13

input-process-output

Question 14

14. An Assembler …
    
    1. does a one-to-one with a compiler
    2. translations an assembly source file into an object file
    3. optimizes the source code.
    4. is also called a Compiler

Answer 14

translations an assembly source file into an object file