anwer schemes ict spm 2008

8/2/2019 Anwer Schemes Ict Spm 2008

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ANWER SCHEMES ICT SPM 2008

SECTION A

1. ENIAC, UNIVAC

2. B

3. i) C ii)D

4. False

5. C

6. A

7. i) DOS ii) GUI

8. i) Server ii) Star topology

9. NIC (Network Interface Card)

10.i) Fibre optic cable ii) Data transmission

11. D

12.True

13. D

14. Design phase

15. operators

16.i) low ii) symbols

17.True

18.i)program design ii)pseudocode

19.D

20. i) problem analysis phase ii) coding phase

21. i) R ii) S

22.i) Information Systemii) Data

23. i) database ii) foreign key24. i) X=record ii) Y=field

25. Analysis phase

.

SECTION B


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26.a) - sending warning about viruses to other computer users- asking permission before sending any business advertisements to others

b) - sending a computer virus via e-mail- hacking into your schools database to change your examination results.- selling pirated software in a night market

27. a)

b) Two advantages of topology B

- The troubleshooting is easy if theres a node fails.

- The maintenance is low as we only replace the failure node.

28. a) Two type of network communication technology used in SCC:

- Extranet

- Intranet

b)

Y (Extranet) Internet

- uses internet and

intranet technology

- uses internet technology

only

- Serves extended

enterprises, including

defined set of

customers or suppliers

or other partners

- Serves everybody`

- With firewall - With/without firewall

- Tight security - Low security

*choose any one

answer

29. a) constant = exchange_rate (write exactly how it is written in the question)

Reason it is because the value of exchange_rate will never change and remain

constant.

Topology A (star topology) Topology B (ring topology)- The data will be transmitted through a

central host where all the nodes are

connected to the central host

- The data will be transmitted directly to

two neighboring nodes


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b) control structure used = sequence control

Reason the statements of the program are executed one by one in consecutive

order.

30. a) field CoCu

b)

SECTION C

31. a) - The bank should set up a firewall to permit limited access from in or outside the

network perimeters or from certain user or certain activities. It will implement

security policy as it will prevent some communication forbidden.

- The bank should do cryptography to hide the information by altering the actual

information into different representation. The cryptosystem depend on a key such as

password to encrypt or decrypt the message.

b) - To ensure the privacy and the confidentiality of information of bank clients. The

information of all clients should be classified and only authorized people of the bank and

the owner can access the information.

- To give a legal status of online transactions. The bank clients who use online

transaction will be facing many risk especially from hacker. The legal status willmake sure only the authorized and verified user can access the account online.

32. a) Two types of computer network used by Syarikat Kerjasama Sdn Bhd are:-

i) Local Area Network - LAN is a group of computers and network devices connected

together usually within the same building and in Syarikat Kerjasama the

computers are connected to each other in a single building

ii) Wide Area Network - WAN generally covers large distances such as states, countries

or continents. Syarikat Kerjasama is located in Malaysia and Syarikat Maju Pte Ltd is

located in Singapore. Therefore the use WAN to connect with each other.

b) The types of communication technology used between both companies are:

i) Internet - Through the Internet, Syarikat Kerjasama has access to global information

and instant communication with Syarikat Maju Pte Ltd in Singapore and other

people around the world.

ii) Extranet It is a private network that uses Internet technology and public

telecommunications system to securely share relevant information with authorized

Clas

s

Stu_I

d

Name Positio

n

CoCu

P4A S001 Zulkifli Membe

r

Computer Club

P4C - - - -

S5A - - - -

The result will show the information

of COMPUTER CLUB only. Refer to

Query given Figure 10(c).

Leave these two rows em


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parties. With this technology, only authorized people from Syarikat Kerjasama

and Syarikat Maju in Singapore can access the website of both companies.

33. a) Three data type for the first three data item:

i) integer (for receipt number) ii) string (for cashiers name) iii) double (for date)

b)

Markah:Receipt num + cashiers name = 1 markDate + Fare = 1 mark

Tajuk coupon = 1 markGambar rajah keseluruhan yg menunjukkan output kupon = 1 mark

All the best utk SPMsaya tahu semua boleh buatyang terbaiksaya doakan adik-adik saya berjaya

dengan semerlang dunia akhiratCikgu annur

Receipt num:

1

Smart Cab Coupon

Cashiers name:

Date:

Fare:

Thank you for your

ride!

Wajib ada

Wajib ada

Ni takde pon takpe.

Kena letak tajuk couponkalau tak takut nnt

pemeriksa boleh tanya apa yg menunjukkan ianya

adalah kupon?. Tapi make sure tengok soalan

camneikut nama seperti dalam soalan.

anwer schemes ict spm 2008

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