Free CXC Information Technology Paper 1 May/June 2006 past paper from 2006. Includes a worked answer key. Open the PDF, take a timed test, and study with AI on Caribbean AI.
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CSEC Information Technology Paper 1 May/June 2006 - Free CXC Past Paper with Answers
Free CXC Information Technology Paper 1 May/June 2006 past paper from 2006. Includes a worked answer key. Open the PDF, take a timed test, and study with AI on Caribbean AI.
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Every question from this paper as text. See the answers and worked solutions. Questions are the property of the Caribbean Examinations Council; Caribbean AI is not affiliated with CXC.
Give TWO examples of a peripheral device in a computer system.
Keyboard and mouse
CPU and RAM
Monitor and printer
Hard disk and floppy disk
Explain how you would know if the monitor has high resolution.
It has a large screen size.
It has a high refresh rate.
It can display more pixels.
It has a high contrast ratio.
Copy EACH of the following and state whether it can be described as (A) soft copy, (B) hard copy, (C) both hard and soft copy, or (D) neither hard nor soft copy: (d) Non-impact printer
A
B
C
D
Perform calculations to determine which of the following examples represents binary coded decimal, 8-bit sign and magnitude or even parity. Make sure to state your answer in each example.
1011000 1
-19 = 1111 0001 1001
-4 = 10000100
For EACH of the following types of application software, state whether it can be described as general purpose, custom-written, integrated or specialized.
Integrated
Specialized
Custom-written
General purpose
State the name of another user interface not mentioned in (b).
Command Line Interface (CLI)
Menu-driven Interface
Touchscreen Interface
Voice Recognition Interface
A new business uses two pieces of equipment shown below. Name them and explain how they would help clients or customers.
Name them and explain how they would help clients or customers.
Scanner and Monitor
Scanner and Printer
Keyboard and Monitor
Keyboard and Printer
(b) Name TWO uses of information that can be helpful in decision making.
To make a profit and to reduce costs.
To increase sales and to improve customer service.
To plan and to control.
To forecast and to evaluate.
Write the words or phrases that the following words represent and give ONE advantage of using EACH. (i) E-mail (ii) E-commerce (iii) IRC (iv) FTP
Electronic Mail, Electronic Commerce, Internet Relay Chat, File Transfer Protocol. Advantage: Speed.
Electronic Mail, Electronic Commerce, Internet Relay Chat, File Transfer Protocol. Advantage: Cost.
Electronic Mail, Electronic Commerce, Internet Relay Chat, File Transfer Protocol. Advantage: Security.
Electronic Mail, Electronic Commerce, Internet Relay Chat, File Transfer Protocol. Advantage: Accessibility.
Explain EACH of the underlined words.
Backup copies - copies of data that can be used to restore lost data. Virus protection - software that prevents viruses from infecting files. Encrypted - data that has been scrambled so it cannot be read without a key.
Backup copies - copies of data that can be used to restore lost data. Virus protection - software that detects and removes viruses. Encrypted - data that has been compressed.
Backup copies - copies of data that can be used to restore lost data. Virus protection - software that prevents viruses from infecting files. Encrypted - data that has been backed up.
Backup copies - copies of data that can be used to restore lost data. Virus protection - software that prevents viruses from infecting files. Encrypted - data that has been stored.
A young college student is accused of Electronic Eavesdropping and Unauthorized Surveillance. During the trial it was revealed that the college student used software to access the computer of another student while she was chatting with her friends. She could read all the messages she (other student) wrote and the messages her friends wrote to her. At the end of the trial one of the charges was dropped. Discuss which charge was kept and why.
Electronic Eavesdropping was kept because the student accessed the computer.
Unauthorized Surveillance was kept because the student read the messages.
Electronic Eavesdropping was kept because the student read the messages.
Unauthorized Surveillance was kept because the student accessed the computer.
Show how EACH of these jobs is related.
Data entry clerks provide the data that data communications specialists transmit and that database administrators store and manage.
Data communications specialists input data, database administrators transmit data, and data entry clerks manage data.
Data entry clerks design networks, data communications specialists maintain databases, and database administrators input data.
All three jobs are unrelated and focus on different aspects of IT.
Explain the difference between EACH of the following pairs of terms:
Machine language and high level language
Second generation and fourth generation languages
Pseudocode and trace table
Input and output
Use a trace table to determine the output of the code if X=4 and Y= 2. Use the headings X Y Print Y.
2, 3, 4
3, 4, 5
4, 5, 6
2, 3, 4, 5
Explain what is produced by EACH of the following:
Object code
Executing
Test data
Syntax error
Dry run
Debugging
Write an algorithm to perform the following sequence of tasks:
Read a number NUM, and a letter LET
Add 5 to the number NUM and place the result in ANS
If LET is equal to 'A', then subtract 4 from the number NUM and place the result in ANS
Print the results of NUM and LET.
Copy the labels EX1, EX2, EX3 and EX4 on separate lines on your answer book. Then, write the corresponding example, Name 1 to Name 4, which matches the appropriate label.
EX1: IF weather = 'SUNNY' Then SMILE
EX2: While (ANSWER='Y') Do Print 'Yes'
EX3: hours > 12
EX4: Grade = Grade + 5
The heading of your document is "THE IMPORTANCE OF POWER PROTECTION". List TWO formatting features besides bolding, underlining and italicizing you would apply to the heading to highlight it.
1 mark
Suppose you have a formula in cell B10 to compute the revenue collected in JAN. What is the most efficient way of computing the revenue collected for FEB and MAR?
Copy the formula from B10 to C10 and D10.
Re-enter the SUM formula for C10 and D10.
Use the AutoSum feature for C10 and D10.
Manually add the values in C5:C9 and D5:D9.
State ONE reason for using a form to enter records into your database table.
1 mark