August 2, 2024

INSTRUCTIONS TO CANDIDATES Maximum marks for each question are indicated in brackets ( ). This paper consists of TWO sections: A and B. Answer questions as per instructions in each section. You are provided with a separate answer booklet. This paper consists of FOUR (4) printed pages Candidates should check the question paper to ascertain that all pages are printed as Indicated and that no questions are missing SECTION A (40 MARKS) 1. Define the term HTML as used in web design. (2 marks) 2. Describe the difference between “visibility: hidden” and “display: none” as used in web design. (4 marks) 3. When do we use the CSS float property during web design. (4 marks) 4. Using examples describe any FOUR JavaScript data types used in web design (4 marks) 5. What is an array and what is the use of In_array ( ) In PHP. (4 marks) 6. Describe the use of Count ( ) in PHP. (2 marks) 7. Differentiate between HTML tags and HTML elements as used in web design. (4 marks) 8. Explain any FOUR advantages of the CSS language. (4 marks) 9. Outline any TWO web programming languages used in web development. (2 marks) 10. Define the term domain as used during web design. (2 marks) 11. Describe any FOUR factors to consider when selecting a host for your website. (4 marks) 12. Define the term web authoring and list any TWO web authoring tools. (4 marks)   SECTION B (60 MARKS) Choose any three from the provided 13. a) Using a coded example on each, name and explain any five HTML tags used in web design. (10 marks) b) Describe any tow JavaScript data types and JavaScript operators as used in web design. (10 marks) 14. a. Write an HTML code that represents the following: (10 marks) f. Write an ASP program embedded in HTML that would be used to display all the multiples of 5 in the range 1 and 50. (6 marks) 16. a. Write a JavaScript and html code to display the following: (10 marks)

INSTRUCTIONS TO CANDIDATE Maximum Marks for each question are indicated in brackets ( ). This paper consists of TWO sections: A and B. Answer questions as per instructions in each section. You are provided with a separate answer booklet. This paper consists of FOUR (4) printed pages. Candidates should check the question paper to ascertain that all the pages are printed as indicated and that no questions are missing SECTION A (40 MARKS) Answer ALL the questions in this section 1. Define each of the following terms: i) ICT infrastructure. (2 Marks) ii) Computer Ergonomics. (2 Marks) 2. Outline any FOUR components of an ICT infrastructure. (4 Marks) 3. Describe clearly what is meant by the term Blue Screen of Death (BSoD) in ICT support and indicate any TWO causes of BSoD. (4 Marks) 4. Distinguish between the term user training and ICT policy. (4 Marks) 5. Suppose you encounter a problem where the clock on the computer is no longer keeping the correct time or the BIOS settings are changing when the computer is rebooted. Give TWO possible causes and their respective solutions. (4 Marks) 6. An ICT technician has been called to perform troubleshooting of computers. Name any FOUR tools the technician should have while troubleshooting. (4 Marks) 7. Explain any TWO ergonomics rules one should consider when deciding on the correct computer monitor placement. (4 Marks) 8. Apart from Natural Disaster, discuss any other TWO environmental factors that affect the ICT infrastructure. (4 Marks) 9. Differentiate between system software and application software as applied in ICT support. (4 Marks) 10. Discuss TWO skills that an ICT technician gain by learning ICT system support (4 Marks) SECTION B (40 MARKS) (Answer any Three (3) questions in this section. (Every question consists of 20 marks) 11. (i) Working in a computer for a prolonged period of time can lead to health issues especially if you don’t monitor your working environment. Being an ICT support expert, who has gained knowledge on computer ergonomics, Discuss FOUR health issues that can result due to poor working environment. (8 Marks) (ii) It is common for ICT components to fail. Explain any THREE possible causes of failure. (6 Marks) (iii) As an ICT technician, outline on how you would perform an audit on existing ICT components and infrastructure. (5 Marks) (iv) Natural disaster is one of the factors affecting ICT infrastructure. Discuss this factor. (1 Mark) 12. a) Define the term software performance testing. (1 Mark) b) As an ICT system support specialist, explain the procedure of troubleshooting a computer that is not powering up. (6 Marks) c) An organization has procured and installed a new application software. i. Outline the FIVE steps to consider when performing user training. (5 Marks) ii. Discuss FOUR benefits of training the users of that application software (8 Marks) 13. a) Being an expert in ICT support, advise on FIVE types of software performance testing that can be done on a software that has just been installed in an institution. (10 Marks) b) Describe FIVE benefits of ICT policy in an organization. (10 Marks) 14. a) You have been asked to advice an organization about ICT safety precautions. Explain FOUR safety precautions measures that must be observed during troubleshooting. (8 Marks) b) As an ICT technician, discuss any SIX problems related to ICT infrastructure in an organization (Avoid software related problems). (12 Marks)

INSTRUCTIONS TO CANDIDATE Maximum marks for each question are indicated in brackets ( ). This paper consists of TWO sections: A and B. Answer questions as per instructions in each section. You are provided with a separate answer booklet. This paper consists of THREE (3) printed pages. Candidates should check the question paper to ascertain that all pages are printed as Indicated and that no questions are missing SECTION A (40 MARKS) (Answer all the questions in this section) 1. Define the term computer security (2 Marks) 2. Explain each of the following terms as used in computer security (10 Marks) i) Firewall ii) Hacking iii) Threat iv) Vulnerability v) Risk 3. Outline any FOUR important functions that information security performs for an organization (4 Marks) 4. Differentiate between Vulnerability Assessment and Penetration Testing (4 Marks) 5. Outline any TWO reasons why it is important to use a VPN when accessing internet using a public network. (2 Marks) 6. State any THREE ways attackers may use to identify an individual password. (3 Marks) 7. List any THREE ways data from within the organization may be exposed or accessed by unauthorized entity (3 Marks) 8. Explain any THREE classifications of computer hackers (6 Marks) 9. List any THREE physical threats to a computer system (3 Marks) 10. State any THREE ways that you can use to prevent Brute Force attacks. (3 Marks) SECTION B (60 marks) (Answer any three questions in this section) 11. Discuss any FIVE cyber security risks in the banking industry and suggest how each can be prevented. (20 Marks) 12. a) Define identity Theft as used in computer security (3 Marks) b) Outline any SEVEN ways one can use to prevent identity theft. (7 Marks) c) Discuss the following types of malicious ware. (10 Marks) i) Viruses ii) Trojans iii) Worms iv) Ransomware v) Spyware 13. Discuss any TEN measures you can advise an organization to apply to protect itself from cyber-attacks. (20 Marks) 14. a) Discuss elements of an Information Security Policy. (9 Marks) b) Explain THREE main objectives of Information security. (6 Marks) c) State any FIVE types of computer Security Testing. (5 Marks)

INSTRUCTIONS TO CANDIDATE Maximum Marks for each question are indicated in brackets ( ). This paper consists of TWO sections: A and B. Answer questions as per instructions in each section. You are provided with a separate answer booklet. This paper consists of THREE (3) printed pages Candidates should check the question paper to ascertain that all the pages are printed as indicated and that no questions are missing. SECTION A: (40 MARKS) Answer ALL questions in this section 1. Define the following terms as used in software. i. Software Installation. (2 Marks) ii. Software testing. (2 Marks) 2. Differentiate between system software and application software. (4 Marks) 3. Operating system is a type of a system software, outline TWO examples of the operating system. (2 Marks) 4. Highlight TWO installation media used during software installation. (2 Marks) 5. State FIVE steps involved in functional testing of the software. (5 Marks) 6. During software installation documentation is very key, highlight FOUR advantages of software documentation. (4 Marks) 7. Distinguish between software update different from software upgrade. (4 Marks) 8. Software piracy is a major challenge in our society today, highlight THREE ways in which software piracy can be minimized. (3 Marks) 9. State TWO benefits of using maintenance software. (2 Marks) 10. Explain TWO methods in which a computer user can acquire software. (4 Marks) 11. Explain THREE hardware requirements for software installation. (6 Marks) SECTION B (60 MARKS) Answer any THREE questions in this section 12 a) Outline FOUR advantages of off-the shelf software. (4 Marks) b) Explain any FIVE types of software testing techniques. (10 Marks) c) Describe THREE types of software licenses. (6 Marks) 13 a) Software documentations provide details about a given software. Describe THREE types of documentation associated with software. (6 Marks) b) List FOUR importance of software testing. (4 Marks) c) Discuss any FIVE types of software installation. (10 Marks) 14 a) Explain THREE types of software requirements. (6 Marks) b) Describe translation programs as used in operating system citing TWO examples of such programs. (4 Marks) c) Describe THREE functions of the operating system. (6 Marks) d) Explain TWO features of operating systems. (4 Marks) 15 a) Explain THREE examples of utility programs in computer software. (6 Marks) b) Discuss FIVE types of operating systems. (10 Marks) c) Describe TWO classes of the operating system. (4 Marks

INSTRUCTIONS TO CANDIDATE Maximum Marks for each question are indicated in brackets ( ). This paper consists of TWO sections: A and B. Answer questions as per instructions in each section. You are provided with a separate answer booklet. This paper consists of FOUR (4) printed pages Candidates should check the question paper to ascertain that all the pages are printed as indicated and that no questions are missing SECTION A (40 MARKS) Answer ALL the questions in this section 1. Give TWO advantages of deploying wireless networks in an enterprise. (2 Marks) 2. Describe TWO differences between a switch and a router as used in a computer network. (4 Marks) 3. Differentiate between the following pair of terms as used in computer networking: (a) Point-to Point and Multipoint connections (2 Marks) (b) Intranet and Extranet (2 Marks) 4. Describe TWO types of performance tests that can be performed on an already installed network. (4 Marks) 5. Kalua has been hired as a network administrator in a company. He is supposed to conduct a network site survey for the company’s network. Explain TWO types of network sites he is likely to encounter during the survey. (4 Marks) 6. Explain each of the following components as used in networking: (a) Access Point (AP), (2 Marks) (b) Patch panel. (2 Marks) 7. Distinguish between a client and a server in relation to networking. Give an example of each. (3 Marks) 8. Describe TWO elements of a network security policy. (4 Marks) 9. Samson was required to write a summary of the key features of a local area network that he was setting up for his client. Outline any FOUR key characteristics of this network that he would have to write about. (4 Marks) 10. Halima set up a firewall in order to secure the network infrastructure of the organisation that she works for. In reference to this statement: (a) What is a firewall? (1 Mark) (b) Explain any ONE type of firewall that she could have set up on the network. (2 Marks) 11. Explain the meaning of each of the following computer networking terms: (a) Data Encryption. (2 Marks) (b) Cloud computing (2 Marks) SECTION B (60 marks) Answer question 12 and any other TWO questions in this section 12. (a) A network administrator must have the skills needed for assessing the requirements of a network and recommending improvements that may necessitate purchase of new network equipment. Explain FIVE considerations that should be put in place before purchase of such equipment. (10 Marks) (b) John has been hired by Datacom Networks Limited as a network administrator. He has been mandated by his immediate supervisor to design a new physical topology for the company. Explain FIVE types of topologies that John would have to choose from. (10 Marks) 13. (a) Network protocols help define how communication takes place on a network. In reference to protocols and network models: (i) Explain THREE key features of a protocol. (6 Marks) (i) Explain why TCP/IP refence model has become the popular standard in networking. (2 Marks) (ii) Write statements that can be used to determine whether a remote computer, whose IP address is 209.100.20.14 is accessible from the local network. (2 Marks) (b) Sally intends to perform tests on a newly set up network system. Outline FOUR equipment that may be necessary to accomplish the task. (4 Marks) (c) Juma works for a company that provides networking services. The company specialises in fiber cable connections. Explain THREE benefits of implementing networks using fiber cables over other copper media. (6 Marks) 14. (a) Once a network has been set up and in operation, it faces a number of challenges from within and without an organisation. Discuss any FIVE threats that a network is likely to experience. (10 Marks) (b) Discuss FIVE advantages of using open-source software such as Ubuntu in network configuration. (10 Marks) 15. (a) Discuss FIVE considerations that should be made when selecting wired transmission media for setting up a network. (10 Marks) (b) Discuss five major functions of the network layer of the OSI model. (10 Marks)

INSTRUCTIONS TO CANDIDATES Maximum marks for each question are indicated in brackets. This paper consists of THREE sections: A, B and C. Answer questions as per instructions in each section. You are provided with a separate answer booklet. Answer all questions in English. This paper consists of SEVEN printed pages Candidates should check the question paper to ascertain that all pages are printed as indicated and that no questions are missing SECTION A: MULTIPLE CHOICE QUESTIONS (20 MARKS) Answer all the questions in this section 1. What is the output of the following program? (1 Mark) #include<stdio.h> main() { #undef NULL char *s = “Hello”; while(*s != NULL) { printf(“%c”, *s++); } } A. Hello B. Compile error: there is no macro called “undef” C. Compile error: improper place of #undef D. Compile error: NULL is undeclared.xt 6. Which of the following characters is used to make a line break in a C program? (1 Mark) A. \b B. \c C. \r D. \n 7. How is a standard library included in C programming? (1 Mark) A. #include <windows.h> B. #include “windows.h” C. #include [windows.h] D. #include {windows.h} 8. A pointer is a special type of variable that contain? (1 Mark) A. Memory Address B. Data values C. Both Values and Memory D. Nothing 9. What kind of file is created in C programming before compilation? (1 Mark) A. Object code B. Executable C. Source code D. Text files 10. Which of the following tools are needed to write HTML code? (1 Mark) A. A graphics program B. A text editor C. An interpreter D. A database 11. Where does the JavaScript code really gets executed? (1 Mark) A. The web server B. The machine which is running a web browser C. Java Script engine D. Java Script containe 16. Which among the following is not a type of software development methodology? (1 Mark) A. Agile B. Cystal C. Rapid Application Development D. Linear 17. _______________is the result of arithmetic expression 20%10 if used in a C program. (1 Mark) A. 2 B. 0 C. 0.08 D. impossible 20. Which one of the following is a client-side JavaScript object? (1 Mark) A. File B. Function C. FileUpload D. Time   SECTION B (40 MARKS) Answer all the questions in this section 21. Define the following terms as used in program development. (4 Marks) i) Algorithm ii) Bug 22. State three types of control structures in used in C. (3 Marks) 23. Identify four rules for naming an identifier in C programming. (4 Marks) 24. Describe the following terms as used in C language. (4 Marks) a) Scanf() b) Printf() c) Keyword d) Variable 25. Explain the output of the &copy; or & #169 in HTML pages. (2 Marks) 26. Explain two ways of defining constants in a C program. Give an example in each case. (4 Marks) 27. Explain two differences between interpreters and compilers. (4 Marks) 28. Outline three uses of HTML programming language in our day-to-day lives. (3 Marks) 29. State the function of each of the following reserved words in C program. (2 Marks) i) Break ii) Return 30. Write an HTML table tag sequence that outputs the following: (4 Marks) 100 pcs 100 500 10 pcs 5 50 31. Sate five advantages of documenting a program. (4 Marks) 32. State the purpose of the following data types. (2 Marks) a. Doubles b. Booleans SECTION C (40 MARKS) Answer only TWO questions in this section. 33. (a) Hezbon is tasked by his programming trainer to write a program that would grade the marks of trainees using the grading system in the table below, the program should not accept any marks less than zero and more than one hundred. Create a C program that looks similar to what Hezbon will develop in order to perform the above task. (10 Marks) (b) Explain five features of procedural programming languages. (10 Marks) 34. (a) During system development, a programmer is required to follow certain steps designed to ensure that a good software is produced. Discuss the six phases of Program Development Life Cycle. (12 Marks) (b) Discuss any four program design tools. (8 Marks) 35. (a) Explain two program testing methods that are used in program development. (4 Marks) (b) Draw a flowchart to prompt a user to enter two numbers, find the sum and average of the two numbers and then display the output on the screen. (6 Marks) (c) Daudi works for HS Softwares, a company that specialises in developing applications using for billing customers. The company has won a tender to develop a billing system for Nairobi City County’s car parking services. Discuss any five factors that Daudi and his team will have to consider when choosing a programming language for the project. (10 Marks)

INSTRUCTIONS TO CANDIDATES Maximum marks for each question are indicated in brackets ( ). This paper consists of TWO sections: A and B. Answer questions as per instructions in each section. You are provided with a separate answer booklet. This paper consists of FOUR (4) printed pages Candidates should check the question paper to ascertain that all pages are printed as indicated and that no questions are missing SECTION A: (10 MARKS) Answer all the questions in this section 1. Which of the following statement is a correct definition of Microsoft Office? A. Is Shareware software B. Public domain software C. It is a suite of applications software D. It is an operating system software 2. Which of the following is the use of Ms Word? A. Design pictures B. Design texts C. Editing videos D. Painting of images 3. _______ refer to numbers that are positioned slightly higher or slightly lower than the text on a line respectively. A. Subscript and Superscripted B. Superscript and Subscript C. Superior script and Subscript D. Subscripted and Superior script 4. MsExcel is a program that is used for ____________ A. Slide presentation B. graphic presentation C. Text document D. Performing calculations 5. The intersection of a column and row on a worksheet is called? A. Column B. Line C. Pie D. Cell 6. Which of the following is not a type of MS Access database object? A. Table B. Form C. Worksheets D. Modules 7. Which of the following is a feature of Ms Access interface? A. Ribbon layout B. graphic C. forms D. Microsoft word 8. Which of the following features shows an incorrectly spelt word in MsWord? A. The incorrect word appears in all capital letters B. The incorrect word has a wavy redline under it C. The incorrect word appears italicized D. The incorrect word appears in bold 9. The following are ways of Customising Outlook environment EXCEPT. A. Customising the interface B. Creating quick steps C. Creating rules D. Composing messages 10. How can you tell an email has not been READ? A. The unread mail will be on top B. The unread mail will be on bottom C. The unread mail will be bold D. The unread mail will be blue SECTIONS B (40 MARKS) Answer all the questions in this section 11. Define the following terms i. Mail merging. (2 marks) ii. Conditional formatting (2 marks) iii. A record as used in Ms Access. (2 marks) 12. Name three (3) Features (Parts) of the Microsoft Access Window. (3 marks) 13. Highlight six (6) steps on how to delete Microsoft outlook folders (6 marks) 14. State five (5) elements which can be inserted to a PowerPoint slide. (5 marks) 15. Name three (3) shortcut keys on a computer key-board that a user can use to create a document. (3 marks) 16. Differentiate between Blind Carbon Copy (BC) and Carbon Copy (CC) as used in Microsoft office outlook. 2 marks) 17. Outline three (3) steps of composing an email using MS Outlook. (3 marks) 18. Highlight four (4) steps one can use to save a new document in Ms word (4 marks) 19. Highlight two (2) advantages of an Electronic Spreadsheets over Manual Worksheets. (4 marks) 20. State Two (2) application areas where spreadsheet software can be used. (4 marks)