WorksheetsGAME SEMBANG SANTAI SC015
Total questions: 20
Worksheet time: 10mins
1. You have learned computer ethics. Recall back the definition of computer ethics.
Moral guidelines that govern the use of information systems.
The code of acceptable behaviors users should follow while on the Internet.
The right of individuals and companies to restrict the use of information about them.
2. The statements below refer directly to an established code of conduct.
Employees use video conferencing and VoIP for meetings.
Exclusive rights given to author/artist for their works.
Employees may not meddle in others’ files.
3. Which of the following shows the correct sequence of System Development Life Cycle (SDLC) phases?
Planning, Analysis, Design, Implementation, Support & Security
Planning, Design, Analysis, Implementation, Support & Security
Analysis, Design, Implementation, Support & Security,Planning,
4. Mr Rishi had entered the KB Mall to go shopping with his wife. After pressing the button at the gate he took the card dispensed by the gate and parked the car in the basement. He had to use the Automated Parking System to make the payment. Based on the scenario given, which one the output activity involved in information processing cycle when he want to pay the parking fee using the Automated Parking System.
System keeps all the transactions of parking fees for their record.
System accept date, time for parking in, time for parking out and total money insert by user
System display total amount of parking fee, total balance of money (if any) and the card and balance of money will be dispense
5. Find two hexadecimal integers in descending order before 101₁₆. Give your answer in binary number systems.
10111111₂ and 100000001₂
10111110₂ and 110100111₂
100000010₂ and 100000011₂
6. The binary number 10001101010001101111₂ can be written in hexadecimal as
AD467₁₆
8C46F₁₆
8D46F₁₆
7. Express the correct Boolean expression based on the logic circuit.
Q=AB+BC(B+A)
Q=AB+BC(B+C)
Q=AB+BC(B+B)
8.What is the disadvantage of peer to peer network architecture?
specialized network manager should be appointed to maintain the network
backup needs to be done separately on each computer
generally easy to set up, requiring no advanced knowledge
9. Intellectual property (IP) refers to creations of the mind, such as inventions; literary and artistic works; designs; and symbols, names and images used in commerce. If you write an original story, what type of intellectual property gives you the right to decide who can make and sell copies of your work?
Trademarks
Copyright
Registered designs
10. System Development Life Cycle (SDLC) is a process used by the software industry to design, develop and test high quality software. The detailed study of existing systems implemented in?
System Maintenance
System Planning
System Analysis
11. Each system development phase consists of a series of activities, and the phases form a loop. What are the major activities involved in phase 4 in SDLC?
ii, iii, and iv
i and iii
ii and iv
12. Azli prefers using vending machine to buy items that he wants. He uses e-wallet for purchases. The balance of his e-wallet will be displayed on the vending machine screen. Which operation in information processing cycle reflects this?
Output
Input
Process
13. Convert binary number 1101010 to hexadecimal
7B base 16
6A base 16
3CD base 16
14. Determine the Boolean expression of the logic gate below?
D = (A + B) + (B . C)’
D = (A . B) + (B + C)’
D = (A . B) + (B + C)
15. There are too many requests from the clients which may lead to congestion. Overload can lead to breaking-down of a particular node. Identify the suitable network architecture based on given scenario?
Coaxial Cable
Peer-to-Peer
Client/Server
16. Which peripherals devices are normally connected in a client-server environment? Select the TRUE answer
scanner and mouse
printer and scanner
printer and monitor
17. The public cannot obtain student information from any college database. Information can only be accessed by authorized parties. This statement refers to
Information Classify
Information Privacy
Information Secretness
18. Google trains users to familiarize themselves with the features contained in its trial applications. Determine the System Development Life Cycle (SDLC) phase based on that activity
Implementation
Analysis
Planning
19. What is the consequences of NOT executing the support & security phase in System Development Life Cycle (SDLC)?
Analyse solutions to meet the clients need
User begins using the new system on a certain date
Determine whether the system is inefficient
20.John (J) will only go to Marry birthday party next Saturday if Vicky goes (V) and he is feeling well (W). What is the correct Boolean expression for the above situation?
J = V . W'
J = V’ . W’
J = V . W
