19.08.2019
 Grade 15 Exam Essay

CARIBBEAN EXAMS COUNCIL

I . T

General Proficiency

PAPER 02

2 Hours

TEND NOT TO TURN THIS SITE UNTIL YOU ARE TOLD TO DO SO

SECTION 1: HARDWARE AND SOFTWARE

Answer Your concerns

1 . Computers are made up of different components as well as the names in the components are usually written since acronyms.

Write down thier meaning of EACH of the pursuing computer acronyms and state ONE task that is performed by All the components.

a) CUb)ALUc)RAMd)ROM(8 marks)

Total eight marks

installment payments on your State the sort of optical drive that is ideal in EACH of the following circumstances:

a) Great for storing videos

b) Can be reused as necessary

c) Commonly used for distributing software(3 marks)

Total several marks

three or more. Figures A to C represents three different capture data methods.

Inside your answer publication, copy and complete Table 1 using the list of type of data capture method below.

OMR, OCR, MICR, Voice Recognition

TABLE 1

Total several marks

some. a)You would like to purchase one of the devices shown in Figure 1 to 4.

Stand 2 data three requirements an organization may need. In your response booklet, copy and complete Table 2 to exhibit which device would FINEST meet All the requirements inside the table.

DESK 1

(3 marks)

b) Write the basic name given to the products in part (a). (1 mark) Total four marks

(4 marks)

a few. Answer this questions that relate to user interfaces:

a) Write 2 different ways in which a customer can suggestions a control using a gui. (2 marks)

b) Brand TWO types of menu interface. (2 marks)

c) Explain why a graphical user interface is considered to be very user-friendly. (2 marks)

d) Explain how a consumer can suggestions a control using the DOS operating system. (2 marks)

Total 8 signifies

SECTION two: APPLICATIONS AND IMPLICATIONS

Answer ALL questions

6. THREE friends have bought computers to help these groups in the music industry.

a) State TWO uses of computers inside the music sector. (2 marks) b) Brand TWO devices that can hook up to the computer and state what exactly they are used for. (4 marks)

Total 6 signifies

7. a)State the differences among ‘. edu', ‘. org' and ‘. gov' while seen in internet site addresses. (3 marks) b)Write the identity of a well-known search engine. (1 mark) c)You wish to gain access to http:\\caribbeannews.com.

we. State to would type http:\\caribbeannews.com to access this website.

(1 mark)

ii. State what http and world wide web represent in (c) above. (2 marks)

Total several marks

almost eight. For EACH with the following, condition whether We is (A) a private location network, (B) a open public network or (C) a personal network with selected get from general public network users.

a. Intranetb)Extranetc)Internet(3 marks)

Total 3 markings

9. a)Describe TWO ways where a computer works extremely well illegally. (4 marks)

b)Outline ONE example of how an organization can misuse its customer's personal data.

(2 marks)

Total 6 markings

10. (a)Write the letters A – G in the answer booklet and point out against EVERY SINGLE letter, the correct technical term which is required to complete the sentences in the paragraph below.

[7 marks]

David's father wishes to advertise his car business on the Internet. David advises him that they can create a web page that includes several interconnected A. The web page must be added to a __B__ computer. Persons wishing to make use of access the info on the Internet must use an Internet __C__ on their computer systems to demand particular web page. They must both know the address of the web page called a ___D___ _____E___ locator or need to use a search __F__ to obtain the website. When they find a car that they are interested in purchasing, they will then __G__ the relevant info to their laptop. (b). Stopping unauthorized usage of computer data files can be attained by locking doors to the laptop rooms. Express THREE...