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Final > IT(lecture 10) > Flashcards

IT(lecture 10) Flashcards

1
Q

A …. is an arrangement in which all its unit assemble work together according to a set of rules

A

System

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2
Q

…. means something that is attached to another thing

A

Embedded

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3
Q

An …. can be thought of as a computer hardware system having software embedded in it

A

Embedded system

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4
Q

An embedded system can be an … or it can be a part of a …..

A

Independent system, large system

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5
Q

An …. is a microcontroller or microproccessor based system which is designed to perform a pecific task

A

Embedded system

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6
Q

An embedded system has 3 components: …, …, and …

A

Hardware, sofware, Real Time Operating System

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7
Q

…. supervises the application software and provide mechanism to let the processor run a process as per scheduling by following a plan to control the latencies

A

RTOS

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8
Q

…. defines the way the system works

A

RTOS

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9
Q

…. sets the rules during the execution of application program

A

RTOS

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10
Q

A small scale embedded system may not have ….

A

RTOS

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11
Q

As embedded system has …. characteristic, it usually performs a specialized operation and does the same repeatedly

A

Single-functioned

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12
Q

All computing systems have ….. on design metrics, but those on an embedded system can be especially tight

A

Constraints

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13
Q

….. is a measurevof an implementation’s features such as its cost, size, power, and performance

A

Design metrics

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14
Q

As an embedded system has … characteristic, many embedded systems must continually react to changes in the system’s environment and must compute certain results in real time without any delay

A

Reactive and real time

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15
Q

As an embedded system has ….. characteristic, it must be microprocessor or microcontroller based

A

Microprocessors based

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16
Q

embedded systems must have a …., as its software usually embedsvin ROM

A

Memory

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17
Q

As an embedded system has … characteristic, it mustvhave connected periphrals to connect input and output devices

A

Connected

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18
Q

…. is used for more features and flexibility

A

Software

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19
Q

…. is used for performance and security

A

Hardware

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20
Q

Types of embedded systems based on functionality: …, …, …, and …

A

Real Time,
Stand Alone,
Networked,
Mobile

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21
Q

Types of embefded systems based on performance: …, …, and …

A

Small Scale,
Medium Scale,
Sophisticated

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22
Q

…. embedded systems are designed and installed to carry out specific tasks within a pre-defined time limit

A

Real Time

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23
Q

For these systems, the completion of the task is of paramount importance, while the deadline is not a priority, such as sound system of a computer

A

Soft real time embedded systems

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24
Q

These systems prioritize deadlines, so they shouldn’t be missed in any case, such as Aircraft control system

A

Hard real time embedded systems

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25
Q

These are self-sufficient systems that do not rely on a host system like a processor or a computer to perform tasks

A

Stand-Alone embedded systems

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26
Q

Examples on Stand Alone embedded systems include …, …, and …

A

Microwave ovens,
Washing machines,
Video game consoles

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27
Q

These systems are connected to a wired or wireless network to perform assigned tasks and provide output to the connected devices

A

Networked Embedded Systems

28
Q

…. embedded systems are comprised of components like controllers and sensors

A

Networked

29
Q

Example on Networked Embedded system include …, …, and …

A

ATMs,
Home Security Systems,
Card Swipe Machines

30
Q

These systems are smaller in size and easy to use

A

Mobile embedded systems

31
Q

…. embedded systems come with limited memory, people still prefer them due to their portability and handiness

A

Mobile

32
Q

Examples of mobile embedded control systems include …, …, …, and …

A

Digital cameras,
Mobile phones,
Smart watch,
Fitness tracker

33
Q

If the microcontroller used in an embedded system is 8 bit or 16 bit, it is classified into …. embedded system

A

Small-Scale

34
Q

Such systems have less complex hardware and software parts and can also be operated on batteries

A

Small-Scale embedded system

35
Q

…. uses one or more than one 16 bit or 32 bit microcontrollers

A

Medium-Scale Embedded Systems

36
Q

…. may use DSP or may use RISC

A

Medium-Scale Embedded systems

37
Q

The hardware and software of these systems are complex

A

Medium-Scale Embedded Systems

38
Q

Such systems have huge hardware and software complexity

A

Sophisticated Embedded systems

39
Q

…. need PLA, scalable or configurable processors

A

Sophisticated Embedded Systems

40
Q

These systems have speed constraints

A

Sophisticated Embedded Systems

41
Q

The …. is a navigation system that uses satellites and recievers to synchronize data related to location, time, and velocity

A

GPS

42
Q

…. convert the chemical energy into thermal energy in a furnace room and transfer that energy into heat, which is then delivered to numerous spaces within a building

A

Central Heating Systems

43
Q

…. are wearable devices that can monitor yout health and track activities like sleeping, running, and walking

A

Fitness trackers

44
Q

…. is a computerized machine used in banking that communicates with a host bank computer over a network

A

ATMs

45
Q

It measures the physical quantity and converts it to an electrical signal which can be read by an observer or by any electronic instrument like an A2D converter

A

Sensor

46
Q

A … stores the measured quantity to the memory

A

sensor

47
Q

…. converts the analog signal sent by the sensor into a digital signal

A

A-D converter

48
Q

… process the data to measure the output and store it to the memory

A

Processors

49
Q

…. converts the digital data fed by the processor to analog data

A

D-A converter

50
Q

…. compares the output given by the D-A converter to the actual output stored in it and stores the approved output

A

Actuator

51
Q

…. is the heart of an embedded systen

A

Processor

52
Q

…. is the basic unit that takes inputs and produces an output after processing the data

A

Processor

53
Q

A … runs the cycles of fetch and executes the instructions in the same sequence as they are fetched from memory

A

Processor

54
Q

The …. includes a fetch unit for fetching instructions from the memory

A

CU

55
Q

The …. has circuits that implement the instructions pertaining to data transfer operation and data conversion from one form to another

A

EU

56
Q

The …. includes the Arithmetic and logical Unit and also the circuits that execute instructions for a program control task such as interrupt, or jump to another set of instructions

A

EU

57
Q

……. are multitasking in nature, can perform multiple tasks at a time

A

Microprocessor

58
Q

In ….., RAM, ROM, I/O Ports, and Timers can be added externally and can vary in numbers

A

Microprocessor

59
Q

In …, designers can decide the numbers of memory or I/O ports needed

A

Microprocessor

60
Q

In ….., External support of external memory and I/O ports makes a microprocessor-based system heavier and costlier

A

Microprocessor

61
Q

In …., external devices require more space and their power consumption is higher

A

Microprocessor

62
Q

…. is a single task oriented

A

Microcontroller

63
Q

In ….., RAM, ROM, I/O ports, and timers cannot be added externally

A

Microcontroller

64
Q

In ….., fixed number for memory or I/O ports makes it ideal for a limited but specific task

A

Microcontroller

65
Q

….. are lightweight and cheaper than a …..

A

Microcontroller, microprocessor

66
Q

A …..-based system consumes less power and takes less space

A

Microcontroller

Final (6 decks)

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