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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
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