1

Briefing Session on

2014 HKDSE ICT Exam

28/29 ov 2014

Programme

Introduction

Paper 1A, Paper 1B, Paper 2A

Break

Paper 2B, Paper 2C, Paper 2D

Q & A

2

Breakdown of elective

No. of candidates

1 7,400

2A 879

2B 226

2C 5,114

2D 1,163 3

Interesting Figures

Paper Min/Max Mark Attained

1 0-92

2A 0-53

2B 2-51

2C 0-52

2D 0-57

4

5

Performance Compulsory Part

Average no. of MC items correct = 26

High correlation with Paper 2s and SBA

6

Performance Elective Part

Equating performance of candidates (Elective Part) can be reflected on the

same scale (Equipercentile method )

Performance (Paper 1) of students in

2D > 2A > 2C > 2B

Refer to Grading Procedures & standards-referenced

Reporting in the HKDSE Exam (HKEAA)

7

Grading Procedures

Sample script selection

Standardisation

Post-marking exercise

Panel of judges grading meeting

Internal meeting

Public Exam Board meeting

Refer to Grading Procedures & standards-referenced

Reporting in the HKDSE Exam (HKEAA)

ICT

Level %

5** .

5*+ .

5+ 7.1

4+ 23.8

3+ 48.8

2+ 7.8

1+ .6

8

9

Levels attained

HKDSE Level 4 comparable to

HKAL Grade D

L5** Top 10% of L5

L5*+ Top 40% of L5 (L5* = next 30%)

10

SBA (1)

There was a serious plagiarism case

involved a student who directly copied a

report from another student. A zero mark

was given to the SBA and a downgrade

by one level in ICT was imposed on the

student.

SBA (2)

A few students submitted a report

without any prototype of ICT

applications. Students are advised to

not only summarise the data and

information collected, but also carry out

further in-depth analysis with critical

thinking.

11

12

SBA Reminders

2015 Exam (new arrangement)

4 assessment criteria

Record of assessment (various formats)

13

4 ICT Exemplars

Paper 1B: 2 exemplars (1 with annotated

note) @ Level @ language

Paper 2 selected levels available

Uploaded to www.hkeaa.edu.hk

http://www.hkeaa.edu.hk/

14

Paper 1A

15

Statistics(1)

Average no. of MC items correct

Eng = 28

Chi = 25

Best five: Q.7, 12, 14, 17, 35

Poor five: Q.3, 4, 6, 26, 31

Discrimination power:

High five: Q.14, 17, 25, 29, 32

Low five: Q.1, 3, 8, 9, 15

Statistics(2)

The majority choose a different answer

26 D B

Question Key Majority

3 A D

8 A B

9 D C

16

Marking

Quality control: standardisation,

checkmarking, control scripts, etc.

Marking schemes

Marking guidelines agreed after standardisation

may not exhaust all possible answers

professional discretion and judgment in

accepting alternative answers (correct and well-

reasoned)

17

Question Paper Design

Difficulty level up to

Comprehensive knowledge & understanding

Advanced skills & excellent use of software

Unfamiliar, complex issues

Communicate complicated ideas & solutions with

coherent use of terminology

Reference: HKDSE ICT Level Descriptors

18

DSE ICT 2014 Briefing Session

Paper 1B (Q1, 3, 5)

28.11.2014(Fri) and 29.11.2014(Sat)

Q1

Satisfactory quantity of lunch set

Q1

Fair the money to be paid for the lunch sets

waiting time

the output data should be considered as

the needs of the waiters

Poor validation check for non-numerical data

Q1

Good

Satisfactory tool or an application available in spreadsheet software

Q1

Poor Sorting

advantages of database software over spreadsheet

software

Q3

Fair

Q3

Poor

Q3

(i)&(iii) Good

(ii) Poor

Q5

Satisfactory email, searching and downloading information through

the Internet

Q5

Very good Easy to use, higher efficiency

Q5

Fair

Satisfactory Cross-platform

HKDSE ICT 2014

Exam paper marking review

Marking guideline

Fairness

Marker not do GUESS of student answer

Professional

As students are studying ICT,

Answer should be more technical / professional

Others

Not accept too general answer

Not accept answer seems direct copy from qu

Function of marking review

Know the

suggested

answer

Know the

marking

flexibility

Know

candidate

performance

Enhance

teaching

strategies

1B Qu 2

1B Qu 2

1B Qu 2

1B Qu 2

A company has branch offices in

different countries. The computer

networks in the offices form a wide area

network. Ms Wong regularly visits the

offices. She will use a notebook

computer to connect to the wide area

network.

(a) Other than email, suggest three types

of computer applications Ms Wong can

use to transfer files.

1B Qu 2

1B Qu 2a 3 applications for file transfer

IM

P2P

FTP

Cloud

Good

Except some state

conncetion method

like WiFi, IR

Accept [Cloud] at

marking stage

Not accept

[software /

platform name]

More practice

on software

categories

(b) In an international airport, Ms Wong

can directly connect to the free Wi-Fi

network. Ms Wong finds that the speed

of the Internet connection is slow

although the network signal is strong.

Why?

1B Qu 2

1B Qu 2b Wifi signal strong, bandwidth low

Too many connection

share bw/

Has bandwidth limit

prevent occupied

Most can state [Too many

connection]

Not much can state

[Share]

Simply [share]

1 mark

Scenario + reason

Term : [Share]

(c) When Ms Wong visits the branch office

in Singapore, she needs to install a client

program to connect to the Wi-Fi network

in the office. Give two benefits of using

this client program for this purpose.

1B Qu 2

1B Qu 2c client program for connection

Security (authen /

encrypt) /

Resource control

Most can state out

[security], but not in depth

Less can state reason

other than security

Accept [Network

activities monitoring

/ recording]

Security

general term, be

more specific

1B Qu 2

(d) Ms Wong goes on a business trip to

Vietnam. She needs to bring her

notebook computer, tablet computer and

smart phone to connect to the Internet

through a data port on the wall of her

hotel room. State the hardware she

should have and describe the network

connection briefly.

1B Qu 2d travel router setup

Wall > cable > wireless

router > WiFi > devices

/

Wall > cable > Notebook

as hotspot > WiFi >

devices

Most can state the

connection and

router but some

missed [wireless]

Not accept

[share network

connection of

mobile device]

Answer should

echoing the

scenario of the qu

Ms Wongs colleague in Hong Kong, David, creates a simple web page for Ms

Wong so that she can send files back to

the server in Hong Kong when visiting

branch offices.

1B Qu 2

(e) To construct the web page, David uses

a text editor to write HTML code instead

of using a web authoring tool. Give one

benefit of each tool.

1B Qu 2

1B Qu 2e text editor vs web authoring tools

Txt : in all OS /

concise code

Auth. Tool :

WYSIWYG / user

friendly

Unexpected fair

performance

Students answer are too

general, not technically

specific

Technical answer

are well accepted

[convenient] is not

accepted

Answer seems simple, but

as overlooked student

using too general terms

(like simple, convenient)

without elaboration

(f) Ms Wong sends David a data file using

the Public Key Infrastructure (PKI)

technology. What is the benefit of having the PKI?

1B Qu 2

1B Qu 2fi benefit of PKI

Avoid

unauthorized

access /

authenticate

sender

Authorize

authenticate

Generally ok Be care of

spelling

(f) Ms Wong sends David a data file using

the Public Key Infrastructure (PKI)

technology.

Briefly describe a way that PKI is used to complete the

file transfer.

1B Qu 2

1B Qu 2fii describe PKI in file transfer