1. information and communication technology Flashcards

1
Q

what is DATA?

A

numbers, words or symbols which don’t have meaning when standing alone

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2
Q

what is a SYSTEM

A

a combination of components which work together to fulfill a task

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3
Q

what is INPUT

A

providing data

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4
Q

what is OUTPUT

A

extracting information

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5
Q

a system, input and output all combined is called

A

an information system

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6
Q

what are the components of a system

A

data input, data output and processing

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7
Q

the computer can also be called

A

an information system

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8
Q

name a few examples for information systems

A

ATM, QR code

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9
Q

5 characteristics of quality information are

A
  1. relevancy
  2. completeness
  3. accuracy
  4. timeliness
  5. cost effectiveness
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10
Q

explain communication of information

A

the exchange of information between people oe sytems

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11
Q

what is information and communication technology

A

technology used to convert DATA into INFORMATION and to EXCHANGE them.
(exchange processed data)

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12
Q

8 places where ICT is used on a daily basis

A
  1. e-government
  2. education
  3. health
  4. agriculture
  5. transport
  6. businesses
  7. industries
  8. entertainment
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13
Q

what is an e-government

A

when a government communicates with its citizens, companies or other governments using ICT

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14
Q

name a few examples of e-government websites

A

official web portal of the sri lankan government, GIC(government information centre) and the ICTA (information communication technology agency)

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15
Q

what are the 4 e-government services

A
  1. G2C (government to citizen)
  2. G2G (government to government)
  3. G2B (government to business)
  4. G2E (government to employees)
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16
Q

what are the 5 ways ICT helps in your education

A
  1. in the classroom
  2. the ability to learn anywhere at anytime
  3. a teaching aid for the teacher
  4. possibility for a higher education for everyone
  5. learning management system (LMS)
17
Q

what are the 2 main ways ICT is used in the health sector

A
  1. in diagnosis
  2. tele medicine
18
Q

examples of ICT being used in diagnosis

A

CAT,MRI,ECG,BLOOD SUGAR TESTING MACHINE,BLOOD PRESSURE MEASURING MACHINE

19
Q

what are the 2 main ways ICT is used in agriculture

A
  1. in farming
  2. management of the farmhouse
20
Q

examples of tele medicine

A
  1. emergency tele medicine
  2. home health medicine
  3. tele surgery
  4. medical tele training
21
Q

what is a learning management system used for

A

managing a school system or higher education system

akura and google classroom are learning management systems. few benefits for a student using a learning management system is the ability to access learning material anywhere and the ability to upload assignments from home.

a teacher can supervise activities and published results and submitting questions

22
Q

what are the basic functions of the following machines used in the health sector:
CAT
MRI
ECG
EEG

A

CAT: 3D images of the body
MRI: creates digitalized images of internal organs
ECG: monitors the heart beat
EEG: used to record activities of the brain

ccomputerized axial tomography machine
magnetic resource imaging machine
electrocardiam machine
electro encephalography

23
Q

what are the basic functions of the following machines used in the health sector:

cardiac screening machine
blood sugar testing machine
blood pressure measuring machine

A
  1. diagnose problems of the heart
  2. determine the blood glucose level
  3. measure the blood pressure of a person at rest
24
Q

what are a few examples of ICT being used in farming

A
  1. drip irrigation
  2. automatic weed remover
  3. seedling planter

also: meteorological devices
automated insect control
field condition measuring devices
crop harvesting using robots
greenhouse

25
Q

what are a few examples of ICT being used in the management of a farmhouse

A
  1. automated milking of cows
  2. RFID- radio frequency identification
  3. security - CCTV
26
Q

how is ICT being used in the fishing industry

A

sensors which convey information on fish concentration are placed in different parts of the sea

27
Q

what are 5 examples of ICT being used in the manufacturing and business industry

A
  1. use of robots
  2. video conferencing
  3. human resource mangement - fingerprint, card reader
  4. e-banking
  5. online shopping

uses of robots: 24 hour service, efficiency, accuracy, hygiene

28
Q

what are 2 examples of ICT being used in transport

A
  1. CCTV - monitoring traffic
  2. traffic light control system
  3. parking identification placard

similar to havelock city: parking identification placard is an entrance pass which is stuck on the windshield of a vehicle. sensors read the placard and allow the vehicle to pass if it has been registered

29
Q

what are a few ways ICT is used for entertainment

A
  1. watching movies
  2. social media
  3. listening to music
  4. e-news, e-books
30
Q

what does “Demerits of ICT” mean? and give 5 examples

A

if you use ICT in the wrong way it can negatively affect you as well as society.

  1. addiction
  2. making bad friends
  3. viruses
  4. mental disorders
  5. obesity due to the lack of excersise

also: isolation, violation of copyrights

31
Q

who invented the adding machine

A

Blaise pascal

In 1642 Blaise Pascal invented the adding machine. The worlds first mathematical machine

32
Q

who improved the adding machine

A

gottfried wilhelm von Leibnitz

33
Q

who invented a mechanical loom

A

Joseph Jacquard

joseph jacquard invented a mechanical loom using a punch cardsytem

34
Q

who invented the analytical engine

A

Charles babbage

he invented the analytical engine which used the punch card system similar to the mechanical loom invented by joseph jacquard. this machine was based on the concept of input, process and output. charles babbage was known as the father of computing

35
Q

who is considered the first programmer

A

Madam Ada Augusta Lovelace

she tried to write programmes for the analytical engine(charles babbage)

36
Q

what did Howard Aiken invent

A

Automatic+sequence+control+calculator

in 1944 howard aiken invented the automatic sequence control calculator which was named mark 1

37
Q

read the following table:

A
38
Q

note:

the advent of computing dates back how many years?

A

5000 years

COMPUTING IS CATEGORIZED INTO GENERATIONS STARTING FROM THE PERIOD OF AUTOMATION