ST VENERA BOYS SECONDARY SCHOOL HALF-YEARLY EXAMINATIONS 2014~15 Information and Communication Technology

Transcription

1 Form 4 ST VENERA BOYS SECONDARY SCHOOL HALF-YEARLY EXAMINATIONS 2014~15 Information and Communication Technology Time: 1hr 30mins Name: Class: Please read the following instructions carefully: 1. Answer ALL the questions in the space provided on this paper. 2. Good English and orderly presentation are important. 1. Answer the following questions about system and application software: a. Which of the following are functions of an Operating System? Tick all that apply. i. organise and manage large quantities of data ii. send and receive s iii. provide an interface between the computer and the user iv. locate and display information from websites v. manage hardware resources such as disks, monitor, keyboard, and printer b. Give the names of two operating systems: (5 marks) i. ii. c. Give two types of application software: i. ii. d. What is tailor made software? Page 1 of 8

2 2. Underline the correct answer below each of the following statements on software licensing: a. Shareware refers to : i. software that you can use for a free trial period. ii. software that you can copy and download for free. iii. a storage device which can store copyrighted material. iv. software that you can share with others for free. b. Freeware is : i. software that scans the computer for viruses. ii. software that you can copy and download for free. iii. software that you can use for a free trial period. iv. software that you have to buy to use. c. EULA stands for : i. End User Licence Administrator. ii. End User Licence Agreement. iii. End Universal Leading Agreement. iv. End Universal License Agreement d. The Data Protection Act is : i. a database about illegally copied software. ii. a law that ensures that private data about individuals is used fairly and lawfully. iii. a program which can be used to copy software. iv. a software which can be used to protect your data. e. The Data Protection Act is designed to: i. make personal data freely available. ii. create a permanent store for personal data. iii. regulate the use of personal data. iv. enforce deletion of personal data. f. If you want to install a piece of software for personal use at home you need to purchase a: i. copyright licence. ii. single user licence. iii. site licence. iv. propriety user licence. g. When you buy a piece of software you: i. can lend it to others. ii. have a licence to use it. iii. can make copies. iv. own the software. h. Which type of software allows users to use it, improve it and distribute it for free? i. freeware software. ii. open source software. iii. shareware software. iv. adware software. Page 2 of 8 (8 marks)

3 3. Use the words below to fill in the missing words from the following text. websites videos broadband modem mobile Wi-Fi ISP WiMAX The Internet has millions of personal and commercial _ many of which have multimedia content such as music and _ in addition to text content. To connect to the Internet many people have a fixed, high-speed _ connection. Such a connection requires the use of a special device called a _ which is used to connect to an _ providing Internet access. An Internet connection may be shared with a number of nearby wireless devices by using a _ router connected to the modem. When located outside, devices such as smart phones and tablets can still connect to the Internet by using wireless technologies such as 3G and _. (8 marks) 4. The statements in the following table are some characteristics of Dialup and Broadband. a. For each statement below, put a check mark under the correct section. i. When a user initiates the connection, the modem dials a phone number of an Internet Service Provider. ii. It is intended to be used as a permanent always-on network connection. iii. It is relatively inexpensive but the data transfer rate is very slow by today s standards. iv. This connection cannot be used while the telephone is being utilised to make a voice call. v. High-speed data transmission in which a single cable can carry a large amount of data at once. Dialup Broadband 5. ADSL is an example of a broadband connection. Page 3 of 8 (5 marks) a. The data transfer rate for ADSL connections is given in Mbps. What does the data transfer rate measure? b. Mention two other types of broadband connections other than ADSL. i. ii.

4 6. Downloads and Uploads occur when data is transferred while using the Internet. a. For each action below, put a check mark under the column which best describes the main type of data transfer that occurs when the action is performed. Upload Download i. replying to an ii. watching a video on the Internet iii. updating your personal information on a website iv. saving a document from a website onto your computer v. viewing a webpage on your web browser (5 marks) 7. This question is about Wi-Fi connectivity. a. Mark is having lunch at a café when he opens his laptop and realises he has to urgently search for some information online. The café offers free Wi-Fi from the AirFree.WiFi access point. The list of Wi-Fi access points available at the café is shown in the diagram below. i. Is the AirFree.WiFi access point secure? Yes No (1 mark) ii. If Mark connects to the AirFree.WiFi access point will hackers be able to view the data that is passing through his Wi-Fi connection? Yes No (1 mark) iii. Even if Mark decides to use an open (non-secure) access point, it would still be safe to transfer sensitive data while browsing websites using an HTTPS connection ( ). Why? 8. In your own words, define the following networks: a. Local Area Network b. Virtual Private Network (4 marks) Page 4 of 8

5 9. Match the following definitions by writing the correct number next to the appropriate terms: The translation of data into a secret code so that the data may not be used by other people such as hackers. Is responsible for providing a unique username and a password to each user connecting to a private network. A system designed to prevent unauthorised access to private networks connected to the Internet. Required for the first time you connect to a protected wireless network. A sequence of characters used for identification which is kept secret and is very difficult to guess. Someone who seeks and exploits weaknesses in a computer system or computer network. password hacker encryption network security key firewall system administrator 10. Fill in the blanks to complete the following paragraphs from the table below. (6 marks) computer online backup compress off-site recovered Dropbox share off the shelf USB drive Most users store large quantities of data on the hard disk without making a copy on another storage medium such as a. Therefore to avoid losing data it is very important to regularly take a of your data. This will ensure that your data is not lost if the hard disk in your computer fails. It is also recommended that you make multiple copies of all data files. At least one copy should be sent to an location. This is to make sure that the files can still be even if a disaster such as a fire or a flood occurs. You can back up files using operating system commands, or you can buy utility programs for making backups. If storage space is a concern many of these backup programs can also the data so that the backups require less space to store. In recent years, people are using storage services available through Internet such as to store data files remotely for additional safety. Since the backed up data can be easily accessed from any connected to Internet these services can also be used to files with others. (10 marks) Page 5 of 8

6 11. Accessibility software is used make it easier for disabled persons to use the computer. a. How can screen reader software be useful for a blind person? b. How can voice recognition software be useful for a person with mobility problems? c. Joseph has mobility problems and uses a special foot operated mouse to be able to move and click the cursor on the computer screen. Suggest which accessibility software he could use with the foot mouse to be able to type in a word document without using a physical keyboard. Accessibility software to type by using mouse cursor: d. Maria has a visual impairment and has to move close to the computer monitor to be able to read small text clearly. Suggest which accessibility software she can use to be able to read small text on the computer screen more easily. Accessibility software to read small text more easily: 12. Charts are very useful if you want your audience to visualise numeric data. a. Draw an arrow from each of the following terms to an appropriate area on the chart below. The first one has been done for you. i. Chart Title ii. iii. iv. Axis Title Data Label Horizontal Axis v. Legend b. Label the four chart types shown below. (4 marks) (4 marks) Page 6 of 8

7 13. View the PowerPoint presentation below and then answer the following questions a. Write the label number shown on the image above from where i. the sun can be rotated ii. the shadow of the cloud has been added iii. the sun can be resized from this point iv. the cloud can be brought to the front v. the sun shape has been added from here vi. the sun and the cloud can be grouped together 14. The following question is about Organization Charts. (6 marks) a. Look carefully at the chart above then underline the correct answer from the brackets below. i. John Camilleri is (a Co-Worker, a Subordinate, the Assistant) of Johanna Vella. ii. Johanna Vella is (a Co-Worker, a Subordinate, the Assistant) of Michael Cassar. iii. Amy Pulis is (a Co-Worker, a Subordinate, the Assistant) of Michael Cassar. (3 marks) Page 7 of 8

8 b. Put in order the steps required to create a Title and Content slide with an Organization Chart. c. The first step has been done for you. Click on the OK button. Click on the Insert tab. 1 Click an organization chart layout e.g. Organization Chart. Click on the Insert SmartArt Graphic button. From the Choose a Smart Art Graphic dialog select Hierarchy. 15. The picture below shows some slides of a PowerPoint Presentation in Normal View. (4 marks) a. Which number shows where you can click to: i. view a slide show presentation from the selected slide ii. add presenter notes to slides iii. add a new slide iv. insert a chart v. save the presentation under a different name vi. choose the effect to use when advancing to the next slide END OF EXAMINATION PAPER Page 8 of 8 (6 marks)