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Author Topic: All ICT doubts here!  (Read 54854 times)

Offline princess12

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Re: All ICT doubts here!
« Reply #135 on: May 12, 2010, 07:46:08 pm »
what is the difference between verification and validation with the examples
 ??? ??? ??? ??? ??? answer me please
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Offline J.Darren

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Re: All ICT doubts here!
« Reply #136 on: May 12, 2010, 07:46:58 pm »
Quote from: ~VIN1094~ on May 12, 2010, 07:38:06 pm
hey anybody minds briefing me about "the differences between batch processing, online processing and real-time processing."

jus wanna make sure .. =]
Batch : Data collected over a period of time, processed at one go. Examples include producing utility bills.
Online : Contacts the server computer, updated real time. Examples include booking tickets.
Real time : Responds to input straightaway. Examples include monitoring a patient's condition at a hospital.

An ordinary DVD disk has a capacity of 17 GB. A Blu-ray disk has a capacity of 50 GB.

Thanks for reminding me about Blu-ray, did not realise that they have introduced it this year. But then since I own a PS3 I am aware of this LOL.
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Offline J.Darren

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Re: All ICT doubts here!
« Reply #137 on: May 12, 2010, 07:48:52 pm »
Quote from: princess12 on May 12, 2010, 07:46:08 pm
what is the difference between verification and validation with the examples
 ??? ??? ??? ??? ??? answer me please
Verification - Checking to see if data has been copied correctly from one media to another (e.g. inputting data from a printout). Examples include double entry of data and visual comparison.

Validation - Checking to see if data inputted is acceptable. Examples include range check, format check, check digit, presence check etc.
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Offline haris94

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Re: All ICT doubts here!
« Reply #138 on: May 12, 2010, 07:51:58 pm »
Quote from: JHeroXHappy on May 12, 2010, 07:46:58 pm
An ordinary DVD disk has a capacity of 17 GB. A Blu-ray disk has a capacity of 50 GB.


is that all u need to know about blue-ray?
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Offline J.Darren

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Re: All ICT doubts here!
« Reply #139 on: May 12, 2010, 08:02:13 pm »
Quote from: haris94 on May 12, 2010, 07:51:58 pm
is that all u need to know about blue-ray?
Well I am in possession of an endorsed textbook, and that's all they have got on Blu-Ray there.
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Offline Malak

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Re: All ICT doubts here!
« Reply #140 on: May 12, 2010, 08:08:47 pm »
A Car repair centre uses an expert system to help diagnose car engine faults.

Describe the inputs, outputs, and processing of this system/

And can anyone also describe the same thing for Medical diagnose?

Q2: Online banking is used by many customers. Describe three methods of making sure that the data transferred is secure.
« Last Edit: May 12, 2010, 08:10:52 pm by ang3l »
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Offline J.Darren

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Re: All ICT doubts here!
« Reply #141 on: May 12, 2010, 08:12:13 pm »
Quote from: ang3l on May 12, 2010, 08:08:47 pm
A Car repair centre uses an expert system to help diagnose car engine faults.

Describe the inputs, outputs, and processing of this system/

And can anyone also describe the same thing for Medical diagnose?
Likely to appear as a 5 marks / 6 marks question.

- Interactive input screen
- Questions about the car / patient's condition asked
- Rule base
- Knowledge base
- Inference engine
- Output showing probablity

If required to talk about evaluation :

- Doctors are interviewed to identify whether original task requirment has been met / possible improvements / limitations.
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Offline princess12

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Re: All ICT doubts here!
« Reply #142 on: May 12, 2010, 08:12:39 pm »
by the way thanx for telling me
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Offline saasb08541

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Re: All ICT doubts here!
« Reply #143 on: May 12, 2010, 08:14:52 pm »
can anyone brief me on internet telephony services?
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Offline J.Darren

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Re: All ICT doubts here!
« Reply #144 on: May 12, 2010, 08:16:01 pm »
Quote from: ang3l on May 12, 2010, 08:08:47 pm
A Car repair centre uses an expert system to help diagnose car engine faults.

Describe the inputs, outputs, and processing of this system/

And can anyone also describe the same thing for Medical diagnose?

Q2: Online banking is used by many customers. Describe three methods of making sure that the data transferred is secure.
Question 2

- Encryption - Data during transmission are jumbled up.
- Digital signature - Website of the bank verified.
- Firewall - Prevents hackers from intercepting the transmission by hacking into domestic terminal.
- Password - Only those that how knows the password can access the account.
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Offline J.Darren

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Re: All ICT doubts here!
« Reply #145 on: May 12, 2010, 08:16:37 pm »
Quote from: saasb08541 on May 12, 2010, 08:14:52 pm
can anyone brief me on internet telephony services?
Don't persume that it would appear in the examination, did you mean video conferencing instead?
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Offline saasb08541

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Re: All ICT doubts here!
« Reply #146 on: May 12, 2010, 08:19:39 pm »
no,i meant internet telephony services(VoIP)...it says something about this in section 7.2 of the syllabus so i just wanted to ask.
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Offline J.Darren

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Re: All ICT doubts here!
« Reply #147 on: May 12, 2010, 08:24:56 pm »
Yeah I noticed that as well ... However the endorsed textbook did not mention a thing so I presume that it is ... exempted?
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Offline saasb08541

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Re: All ICT doubts here!
« Reply #148 on: May 12, 2010, 09:04:09 pm »
perhaps...well thanx!
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Offline Malak

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Re: All ICT doubts here!
« Reply #149 on: May 12, 2010, 09:09:22 pm »
Sometimes in the MS its wrritten (1 mark for conclusion) for questions concerning advantages and disadvantages...
What actually is it??

And if there are some valid points which u hav wrritten but they arent there in Ms..u do get a mark rite?
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