Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

EMBEDDED SYSTEMS EXAM MIDTERM > Lesson 2 > Flashcards

Lesson 2 Flashcards

1
Q

another important factor that needs to be considered in designing embedded systems. Embedded systems should be designed in such a way as to minimize the heat dissipation by the system.

A

Power concerns

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

an informal kind of rapid product development in which important feature of the
under consider are develop.

A

Prototyping

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A machine language is created from written code by the ___________. It source code first into object code and then into the language that
the machine can understand.

A

Assembler

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Peripheral connections are made via a _______. The term alludes to the method of data transmission, where __________ send several bits of data simultaneously.

A

Parallel ports

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Dedicated to performing a single function.

A

Single-functioned

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

refers to ease with which the embedded product can be modified to take advantage
of new firmware or hardware technology.

A

Evolvability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

a program that merges one or more object files into a single executable code.

A

Linker/link editor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

widely used method of connecting external
equipment to computers. It was developed by the EIA and TIA and defines the signals that are exchanged between DTEs and DCEs.

A

RS232

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

These are attributes related to operation or functioning of an embedded system when it is in the operational mode or online mode. The way an embedded system operates affects its overall quality.

A

Operational Quality Attributes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

It is half-duplex and is used for serial communication with short distances. Operates based on the baud rate.

A

UART

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

can communicate with other embedded systems via this interface. This includes UART, USB, Ethernet, RS-485, and many more.

A

Communication Port

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Proper market study and cost benefit analysis should be carried out
before taking decision on the per unit cost of the embedded product.

A

Per unit and total cost

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

deals with how easily one can test his/her design, application
and by which mean he/she can test it.

A

Testability and Debug-ability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

measure of quickness of the system. It gives you an idea about how fast your system
is tracking the input variables. Most of the embedded system demand fast response which should be real-time.

A

Response

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The design of embedded systems should take care of the operating conditions of the area where the system is going to implement.

A

Operates in harsh environments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

a measure of “system independence”. An embedded system has this attribute if it is capable of performing its operation as it is intended to do in various environments irrespective of different processor and or controller and embedded operating systems.

A

Portability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Name at least 3 advantages of Embedded System

A
  • Less likely to encore errors
  • Offers an enhanced performance
  • It has very few interconnections.
  • The embedded system is small in size.
  • It has a fast operation.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

defined as the average time
the system has spent in repairs.

A

Mean Time To Repair

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

means that embedded systems may be a part of a larger system. Many numbers of such ___________ embedded systems form a single large, embedded control unit.

A

Distributed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

uses little power and accepts ATM cards. As soon as we put the ATM card in, the machine will start to receive electricity, which is why we termed the ________

A

Charge pump principle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

These are attributes NOT related to operation or functioning of an embedded system. These are the attributes that are associated with the embedded system before it can be put in operation or the quality attributes that needs to be addressed for the product not on the basis of operational aspects.

A

Non-Operational Quality Attributes

22
Q

a single-chip VLSI unit which is widely used in embedded systems. It contains all the
memory and I/O interfaces needed,

A

Microcontroller

23
Q

We have to run sophisticated algorithms or multiple algorithms in some applications.

A

Complex functionality

24
Q

Must not endanger human life and the environment.

A

Safety-critical

25
Q

Each embedded system has certain functions to perform, and they are developed in such a manner to do the intended functions only. They cannot be used for any other purpose.

A

Application and domain specific

26
Q

gives protection from unauthorized modification.

A

Integrity

27
Q

Product aesthetics (size, weight, shape, style, etc) is an important factor in choosing a product. It is convenient to handle a compact device than a bulky product.

A

Small Size and weight

28
Q

a means of debugging the product as such for figuring out the probable sources
that create unexpected behavior in the total system.

A

Debug-ability

29
Q

gives protection from unauthorized user.

A

Availability

30
Q

Low cost, low power, small, fast, etc.

A

Tightly-constrained

31
Q

an interface for serial communication in which data is transferred one bit at a time.
The serial protocols UART, SPI, SCI, and I2C are often used.

A

Serial port

32
Q

Embedded systems are in constant interaction with the real world through sensors and user- defined input devices which are connected to the input port of the system. Any changes in the real world are captured by the sensors or input devices in real time and the control algorithm running inside the unit reacts in a designed manner to bring the controlled output variables to the desired level.

A

Reactive and Real Time

33
Q

defines the technical components of the infrastructure including client server
platforms, the operating systems, and interfaces.

A

Platform architecture

34
Q

a tool that is used for testing and debugging. It examines the code, finds where errors
and problems are present, removes them, and notes their locations.

A

Debugger

35
Q

measure of how much percentage you rely upon the proper functioning of the
system.

A

Reliability

36
Q

deals with protection data from unauthorized disclosure.

A

Confidentiality

37
Q

a single chip semiconductor device. Its CPU contains a program counter, an
ALU a stack pointer, working register, a clock timing circuit. It also includes ROM and RAM, memory decoder, and many serial and parallel ports.

A

Microprocessor

38
Q

an important factor which needs to be carefully monitored. Proper market study and _______ benefit analysis should be carried out before taking decision on the per unit cost of the embedded product.

A

Cost

39
Q

a piece of software that enables you to use the features of the host system. The __________ is also used to debug applications and find
bugs.

A

Emulator

40
Q

deals with the efficiency of system. It can be defined as rate of production or
process of a defined process over a stated period of time. generally measured in terms of benchmarks

A

Throughput

41
Q

Confidentiality, Integrity and Availability are three corner stones of the information __________

A

Security

42
Q

Some applications need a delay, such as LED display apps, which need one so that the LED can keep blinking. In embedded systems, ________ are employed for this reason.

A

Timers/Counters

43
Q

The microcontroller itself contains two different types of __________. RAM and ROM are these. ROM is a code memory, whereas RAM is a volatile memory.

A

Memory

44
Q

deals with support and maintenance to the end user or a client in case of
technical issues and product failures or on the basis of a routine system checkup.

A

Maintainability

45
Q

The first tool you need for embedded system software. The text file you create
will contain the code you write in the C and C++ programming languages.

A

Editor

46
Q

deals with the possible damage that can happen to the operating person and environment due to the breakdown of an embedded system or due to the emission of hazardous materials from the embedded products or hardware failure or a firmware failure.

A

Safety

47
Q

embedded system’s core component

A

Processor

48
Q

a must in product engineering to evaluate the anticipated damage and
determine the best course of action to bring down the consequence of damages to an acceptable level.

A

Safety analysis

49
Q

This written code is converted into machine language by a __________ so that the machine can understand it.

A

Compiler

50
Q

defined as the average time the system
is functioning before a failure occurs.

A

Mean Time Between Failures

51
Q

it is the time elapsed between the conceptualization of a
product and time at which the product is ready for selling or use.

A

Time to prototype and market

52
Q

Name at least 3 disadvantages of Embedded System

A
  • It needs a long time to market.
  • Can’t be programmed to do different things.
  • Embedded systems offer very limited resources for memory.
  • It doesn’t offer any technological improvement.
  • It is difficult to backup of embedded files.

EMBEDDED SYSTEMS EXAM MIDTERM (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions