MINISTRY OF EDUCATION
MANDALAY TECHNOLOGICAL UNIVERSITY
DEPARTMENT OF COMPUTER ENGINEERING AND
INFORMATION TECHNOLOGY
First Semester Examination for Fifth Year
(CEIT)
IT-51061 - Embedded System I
Date: 30.3.2018
Time 9:00 am
to 12:00 noon
Attempt
All Questions.
1.
(a) Choose
the correct answer(s) in the following objective questions. (10 Marks)
i.
Embedded
systems are application and domain specific. State True or False
(a)
True (b) False
ii.
Which of
the following is an (are) example(s) of embedded system for monitoring
function?
(a)
Electro
cardiogram machine (ECG)
(b) Digital CRO
(c)
RS-232C (d) (a) or (b) (e) All of these
iii.
The
minimum number of interface lines required for implementing I2C interface is
three bus lines. State True or False
(a)
True (b) False
iv.
Which of
the following serial bus is (are) used for communication in automotive embedded
applications?
(a)
Controller
Area Network (CAN) (b) Local
Interconnect Network (LIN)
(c)
Media
Oriented System Transport (MOST) bus
(d)
All of
these (e) None of these
v.
The code
memory retains its contents even after the power to it is turned off. It is
generally known as volatile storage memory. State True or False
(a)
True (b)
False
vi.
Little
endian processors store both higher order and lower order byte of the data at
the same address of memory. State True or False
(a)
True (b) False
vii. Which of the following is true about CISC
processors?
(a)
The
instruction set is non-orthogonal
(b)
The
number of general purpose registers is limited
(c)
Instructions
are like macros in C language
(d)
Variable
length instructions
(e)
All of
these (f) None of these
viii. Optocoupler acts as an input device only.
State True or False
(a) True
(b) False
ix.
Dynamic
RAM stores data in the form of charge. State True or False
(a)
True (b) False
x.
Quality
attributes of an embedded system are
(a)
Functional
requirements (b) Non-functional
requirements
(c)
Both (d) None
of these
(b)
Explain
the different electronic control units (ECUs) used in automotive systems. (5 Marks)
(c)
What are
the differences between Controller Area Network (CAN) and Local Interconnect
Network (LIN) for automotive communication buses? (5 Marks)
2. (a) Differentiate between general purpose
computing system and embedded system. (10 Marks)
(b) List the various purposes of embedded systems
and explain any two of them with examples. (10 Marks)
3. (a) What are the different types of RAM used for embedded system design? Explain any one of them. (6 Marks)
(b) What are sensors and actuators? Illustrate
with examples. (6 Marks)
(c) Hook up 8 LEDs to pins 2 through 9 (with
resistors, of course). Draw the
interfacing diagram for connecting 8 LEDs to the port pin of a microcontroller
and write the program in high level languages like Embedded C/C++ using and
Integrate Development Environment.(8 Marks)
4.
(a) What are
the differences between RISC and CISC processor?(5 Marks)
(b) Explain the role of Real Time Clock (RTC) in
embedded system. (5 Marks)
(c) What is optocoupler? Explain the role of
optocoupler in embedded applications with diagrams.(10 Marks)
5.
(a) What
are the different characteristics of embedded systems? Explain “Operates in
Harsh Environment”
and “Small Size and Weight” detail with examples. (10 Marks)
(b) What is operational quality attribute?
Explain the any two of among important operational quality attributes to be
considered in any embedded system design. (10 Marks)
*******
End of Questions *******
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