1. information and communication technology

Question 1

what is DATA?

Answer 1

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

Question 2

what is a SYSTEM

Answer 2

a combination of components which work together to fulfill a task

Question 3

what is INPUT

Answer 3

providing data

Question 4

what is OUTPUT

Answer 4

extracting information

Question 5

a system, input and output all combined is called

Answer 5

an information system

Question 6

what are the components of a system

Answer 6

data input, data output and processing

Question 7

the computer can also be called

Answer 7

an information system

Question 8

name a few examples for information systems

Answer 8

ATM, QR code

Question 9

5 characteristics of quality information are

Answer 9

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

Question 10

explain communication of information

Answer 10

the exchange of information between people oe sytems

Question 11

what is information and communication technology

Answer 11

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

Question 12

8 places where ICT is used on a daily basis

Answer 12

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

Question 13

what is an e-government

Answer 13

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

Question 14

name a few examples of e-government websites

Answer 14

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

Question 15

what are the 4 e-government services

Answer 15

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

Question 16

what are the 5 ways ICT helps in your education

Answer 16

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)

Question 17

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

Answer 17

1. in diagnosis
2. tele medicine

Question 18

examples of ICT being used in diagnosis

Answer 18

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

Question 19

what are the 2 main ways ICT is used in agriculture

Answer 19

1. in farming
2. management of the farmhouse

Question 20

examples of tele medicine

Answer 20

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

Question 21

what is a learning management system used for

Answer 21

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

Question 22

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

Answer 22

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

Question 23

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

Answer 23

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

Question 24

what are a few examples of ICT being used in farming

Answer 24

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

Question 25

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

Answer 25

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

Question 26

how is ICT being used in the fishing industry

Answer 26

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

Question 27

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

Answer 27

1. use of robots 2. video conferencing 3. human resource mangement - fingerprint, card reader 4. e-banking 5. online shopping ## Footnote uses of robots: 24 hour service, efficiency, accuracy, hygiene

Question 28

what are 2 examples of ICT being used in transport

Answer 28

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

Question 29

what are a few ways ICT is used for entertainment

Answer 29

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

Question 30

what does "Demerits of ICT" mean? and give 5 examples

Answer 30

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 ## Footnote also: isolation, violation of copyrights

Question 31

who invented the adding machine

Answer 31

Blaise pascal ## Footnote In 1642 Blaise Pascal invented the adding machine. The **worlds first** mathematical machine

Question 32

who improved the adding machine

Answer 32

gottfried wilhelm von Leibnitz

Question 33

who invented a mechanical loom

Answer 33

Joseph Jacquard ## Footnote joseph jacquard invented a mechanical loom using a **punch card**sytem

Question 34

who invented the analytical engine

Answer 34

Charles babbage ## Footnote 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*

Question 35

who is considered the first programmer

Answer 35

Madam Ada Augusta Lovelace | she tried to write programmes for the analytical engine(charles babbage)

Question 36

what did Howard Aiken invent

Answer 36

Automatic+sequence+control+calculator ## Footnote in 1944 howard aiken invented the automatic sequence control calculator which was named *mark 1*

Question 37

read the following table:

Question 38

# note: the advent of computing dates back how many years?

Answer 38

5000 years ## Footnote **COMPUTING IS CATEGORIZED INTO GENERATIONS STARTING FROM THE PERIOD OF AUTOMATION**