March 29, 2022

2018nov (1)[tnc-pdf-viewer-iframe file=”https://knecnotes.co.ke/wp-content/uploads/2022/03/2018nov-1_OCR.pdf” width=”100%” height=”800″ download=”false” print=”false” fullscreen=”true” share=”true” zoom=”true” open=”true” pagenav=”true” logo=”true” find=”true” current_view=”true” rotate=”true” handtool=”true” doc_prop=”true” toggle_menu=”true” toggle_left=”true” scroll=”true” spread=”true” default_scroll=”0″ default_spread=”0″ language=”en-US” page=”” default_zoom=”auto” pagemode=”none” iframe_title=””]_OCR

2018july_O[tnc-pdf-viewer-iframe file=”https://knecnotes.co.ke/wp-content/uploads/2022/03/2018july_OCR-4.pdf” width=”100%” height=”800″ download=”false” print=”false” fullscreen=”true” share=”true” zoom=”true” open=”true” pagenav=”true” logo=”true” find=”true” current_view=”true” rotate=”true” handtool=”true” doc_prop=”true” toggle_menu=”true” toggle_left=”true” scroll=”true” spread=”true” default_scroll=”0″ default_spread=”0″ language=”en-US” page=”” default_zoom=”auto” pagemode=”none” iframe_title=””]CR

2017j[tnc-pdf-viewer-iframe file=”https://knecnotes.co.ke/wp-content/uploads/2022/03/2017july_OCR-15.pdf” width=”100%” height=”800″ download=”false” print=”false” fullscreen=”true” share=”true” zoom=”true” open=”true” pagenav=”true” logo=”true” find=”true” current_view=”true” rotate=”true” handtool=”true” doc_prop=”true” toggle_menu=”true” toggle_left=”true” scroll=”true” spread=”true” default_scroll=”0″ default_spread=”0″ language=”en-US” page=”” default_zoom=”auto” pagemode=”none” iframe_title=””]uly_OCR

2017july_[tnc-pdf-viewer-iframe file=”https://knecnotes.co.ke/wp-content/uploads/2022/03/2017july_OCR-14.pdf” width=”100%” height=”800″ download=”false” print=”false” fullscreen=”true” share=”true” zoom=”true” open=”true” pagenav=”true” logo=”true” find=”true” current_view=”true” rotate=”true” handtool=”true” doc_prop=”true” toggle_menu=”true” toggle_left=”true” scroll=”true” spread=”true” default_scroll=”0″ default_spread=”0″ language=”en-US” page=”” default_zoom=”auto” pagemode=”none” iframe_title=””]OCR

2016nov_O[tnc-pdf-viewer-iframe file=”https://knecnotes.co.ke/wp-content/uploads/2022/03/2016nov_OCR-5.pdf” width=”100%” height=”800″ download=”false” print=”false” fullscreen=”true” share=”true” zoom=”true” open=”true” pagenav=”true” logo=”true” find=”true” current_view=”true” rotate=”true” handtool=”true” doc_prop=”true” toggle_menu=”true” toggle_left=”true” scroll=”true” spread=”true” default_scroll=”0″ default_spread=”0″ language=”en-US” page=”” default_zoom=”auto” pagemode=”none” iframe_title=””]CR

UNIVERSITY EXAMINATIONS: 2019/2020 EXAMINATION FOR THE DIPLOMA IN BUSINESS INFORMATION TECHNOLOGY DBIT 402: COST ACCOUNTING FULL TIME DATE: MAY 2020 TIME: 6 HOURS INSTRUCTIONS: Answer ALL QUESTIONS. SECTION B: (20 MARKS) Horizon Ltd is a manufacturing company which products a single product. The following standard unit costs relate to the product: Fixed manufacturing costs per unit are based on a predetermined absorption rate established at a normal activity level of 45,000 production units per period. Fixed selling and administration costs are absorbed into the cost of sales at 20% of selling price. Under/over absorbed overheads are transferred to the profit and loss account at the end of the period. The following information is available for two consecutive periods: Required: a) Prepare income statements using marginal and absorption costing (13 Marks) b) Prepare a reconciliation statement of profits in (a) above (3 Marks) c) Outline two strengths and two weaknesses of marginal costing. (4 Marks) SECTION C: (20 MARKS) Tindo ltd buys and sells product Q-3. It values stock on the basis of last in first out (LIFO). On 1 June 2018, stock in hand consisted of 4,500 units which were acquired at ksh. 50 per unit. The operations for the month were as follows: The company incurred operating cost of ksh. 450,000 during the month. Required: a) Prepare the stores ledger card. (14 Marks) b) Determine the closing stock valuation. (2 Marks) c) Prepare the trading account for the month. (4 Marks)

UNIVERSITY EXAMINATIONS: 2019/2020 EXAMINATION FOR THE DIPLOMA IN BUSINESS INFORMATION TECHNOLOGY ORDINARY EXAMINATION DBIT 401: COMPUTER NETWORKS AND MANAGEMENT DATE: MAY 2020 TIME: 6 HOURS INSTRUCTIONS: Answer ALL Questions. SECTION 2: 20 MARKS 1. LANs provide both speed and cost-efficiency for transmitting data over relatively small geographic areas. However, as organizations expand, businesses require communication among geographically separated sites. OSI reference model is structured into layers. Outline the advantages of layering [6Marks] 2. After studying the computer networks and management course at KCA University for 3months you have applied for an internship opportunity in one of the companies in Kenya. During the interview session you are asked to explain the objectives and achievements of your study. Prepare a documentation detailing your facts. [8Marks] 3. Discuss the application areas of wired network communication media [6Marks] SECTION 3: 20 MARKS 1. Briefly explain six reasons why organizations must secure their computer networks. [6Marks] 2. Explain any three reasons why a supermarket chain with many branches in Kenya may prefer to setup a wireless network compared to a wired network [6Marks] 3. An organization wants to set up a peer to peer network in its human resource department and has approached you for assistance. Assuming that there are three computers at the department, briefly explain how you would setup the network. [8Marks]

UNIVERSITY EXAMINATIONS: 2019/2020 EXAMINATION FOR THE DIPLOMA IN BUSINESS INFORMATION TECHNOLOGY DBIT 307: BUSINESS MANAGENT FULLTIME DATE: MAY, 2020 TIME: 6 HOURS INSTRUCTIONS: Answer ALL Questions SECTION B: 20 MARKS a) Analyze cases in which local customs or norms seem to conflict with company overarching principles/values. (20 Marks) SECTION C: 20 MARKS a) In modern business environment, which is very dynamic, business organizations should daily upgrade its technology. Do you agree, why? (20 Marks)

DIT306 OJECT ORIENTED ANALYSIS AND DESIGN EXAM SECTION ONE: MULTIPLE CHOICE QUESTIONS In a use case diagram the boundary represents——————————? a) An intermediary or interface of something outside the system b) An API that is supplied by third party vendor and used to integrate with an external system c) The user interface or presentation layer of a system d) The interface between interface or presentation layer of a system ANSWER: A When is acceptance testing performed in agile development? a) At the end of each iteration b) After system is ready c) After the design stage d) On the request of the client ANSWER: A ————————-is the technique of hiding the internal implementation details of an object. a) Encapsulation b) Inheritance c) Polymorphism d) Abstraction ANSWER: D A class is: a) A template for objects of a particular type b) A class of objects c) A classification of objects d) A group of objects ANSWER: A Grouping together of objects so that they can be easily manipulated is called? a. Abstraction b. Encapsulation c. Modularity d. Hierarchy ANSWER: B Physical relationship between software components and the hardware in the delivered system can be shown by? a) Use case diagrams b) Activity diagram c) Sequence diagram d) Deployment diagram ANSWER: D A class is divided into the following compartments except. a) Name b) Methods c) Attributes d) All the above ANSWER: D Which of the following is the last phase of the systems development phase? a) Prepare conversion plan b) Write and test new programs c) Build and test data d) Build and test databases ANSWER: C The humans cope with the complexity in a fundamental way using? a) Object b) Abstraction c) Class d) Encapsulation ANSWER: B Which of the following diagram is time oriented? a) Collaboration b) Activity c) Sequence d) None of the options ANSWER: C The method of design encompassing the process of object oriented decomposition and notation for depicting HOW the system should perform its functions is known as? a) OOP b) OOA c) OOD d) OOAD ANSWER: C Single inheritance, multi-level inheritance and multiple inheritance are some examples of inheritance used in class diagrams. a) True b) False ANSWER: A In data flow diagrams —————show the direction of data flow and their name describes the data flowing along the path. a) Rounded rectangles b) Diamonds c) Arrows d) Circles ANSWER: C A set of objects that share the same ——————-is referred to as a class. a) Attributes b) Behaviors c) Messages d) Attributes and behaviors ANSWER: D Which of the following statements is true in relation to OOAD? a) Objects work together by sending messages to one another. The messages are requests to perform operations b) Objects are associated with one another, and the associations can take a variety of forms c) Polymorphism means “many forms” d) All the options ANSWER: D Which of the following terms also refers to a parent class? a) Base class and super class b) Derived class and sub class c) Static and dynamic class d) None of the mentioned ANSWER: A ——————- is defined as being “is-a” relationship. a) Aggregation b) Association c) Generalization d) Dependency ANSWER: C ————————– specifies the number of objects in another class that an object can interact with at any point in time. a) Inheritance b) Associativity c) Relationship d) Multiplicity ANSWER: D In object orientation both real and abstract objects are modelled into software. Which of the following statements is true in this regard? a) Real objects are objects with real existence those that we can see and touch b) Abstract objects do not have real existence c) None of the options d) All of the options ANSWER: D A class is a blueprint of the objects to be created and assimilated into it as its instances. a) True b) False ANSWER: A Aggregation represents—————— a) Is-a relationship b) Has-a relationship c) Part of relationship d) None of the above ANSWER: B The feature of the object oriented paradigm which helps code reuse is——— a) Object b) Class c) Inheritance d) Aggregation ANSWER: C Software design is a process to transform user requirements into some suitable form that a programmer uses in software development. a) True b) False ANSWER: A A good structured design has low cohesion and high coupling arrangements. a) True b) False ANSWER:B In OOD the attribute (data variables) and methods (operation on the data) are bundled together. This paradigm is known as? a) Encapsulation b) Inheritance c) Polymorphism d) Abstraction ANSWER: A Grouping of all functionally related elements is known as————-? a) Cohesion b) Coupling c) A and B d) None of the above ANSWER: A Class is a set of objects that share the same ———— a) Name b) State c) Attributes d) All the above ANSWER: D Transforming the WHAT into HOW is the job of………………….. a) Analysis b) Design c) Feasibility study d) Implementation ANSWER: B A use case diagram depicts how a system works from the standpoint of an external observer? a) True b) False ANSWER: A Merge, fork, initial state and final state are symbols and notations used in a sequence diagram. a) True b) False ANSWER: A Sequence and collaboration diagrams are examples of interactive diagrams. a) True b) False ANSWER: A ————— is a type of inheritance indicating one class is a superclass of the other a) Association b) Aggregation c) Generalization d) Dependency ANSWER: C An object diagram represents an abstract model consisting of classes and their relationships. But an object diagram represents an instance at a particular moment. a) True b) False ANSWER: A In implementation modelling the software components are modeled using deployment diagrams. a) True b) False Which of the following is not a symbol of the sequence diagram? a) Swimlanes b) Objects c) Message d) None of the above ANSWER: D An action in an activity diagram cannot be decomposed. a) True b) False ANSWER: A SECTION TWO. SHORT ANSWER QUESTIONS 1. Draw a use case

UNIVERSITY EXAMINATIONS: 2019/2020 EXAMINATION FOR THE DIPLOMA IN BUSINESS INFORMATION TECHNOLOGY DBIT 305: DATA STRUCTURES & ALGORITHMS DATE: MAY, 2020 TIME: 6 HOURS INSTRUCTIONS: Answer ALL Questions SECTION B: 20 MARKS QUESTION ONE 1. KCA university information system issues students with examination cards based on fees payment. A student enters the registration number then the system checks whether the student has cleared fees. If the student has cleared fees, the system prints an examination card .If not, the system displays a message, “Urgently Clear your fees arrears”. Required: A. Draw a flow chart to represent the information in the above case study and discuss two guidelines you need to consider while constructing the flowchart [10 Marks] B. Write C or C++ code to Convert the above flowchart into a working program [10 Marks] SECTION C: 20 MARKS QUESTION TWO A. Design an algorithm using speudocode for an array program to calculate and display the sum of ten integers keyed in by the user via the keyboard [8 Marks] B. Explain any four member functions associated with a queue data structure [8 Marks] C. Discuss the two parameters that determine the complexity of an algorithm [4 Marks]

UNIVERSITY EXAMINATIONS: 2019/2020 EXAMINATION FOR THE DIPLOMA BUSINESS INFORMATION TECHNOLOGY DBIT 304: GENERAL ECONOMICS OPEN BOOK EXAM DATE: MAY 2020 TIME: 6 HOURS INSTRUCTIONS: ANSWER ALL THE QUESTIONS. QUESTION ONE (20 Marks) (a) Discuss TEN factors that contributes to inequalities in the distribution of income and wealth in an economy. (10 Marks) (b) Kenya is one of the countries that have been affected by COVID-19. (i) Identify any THREE key sectors and show how the effects of COVID-19 has affected the economic performance and the overall effect in the Kenyan economy (6 Marks) (ii) As a student taking DBIT course, analyse the contribution of technology to the Kenyan economy during this period of COVID-19. (4 Marks) QUESTION TWO (20 Marks) (a) Discuss FOUR monetary policies that a nation may implement to fight monetary inflation (8 Marks) (b) Country G is currently ranked as a developing economy. In order to enhance economic growth, the government of this country G has come up with an economic recovery strategic paper geared towards realising economic development within a period of 30 years. Required: (i) Explain what you understand by economic growth and development. (2 Marks) (ii) Discuss FIVE factors that might hinder country G from realising this objective and measures that it should put in place to overcome these impediments. (10 Marks)

UNIVERSITY EXAMINATIONS: 2019/2020 EXAMINATION FOR THE DIPLOMA BUSINESS INFORMATION TECHNOLOGY DBIT 303: COMPUTER PROGRAMMING CONCEPTS DATE: MAY 2020 TIME: 6 HOURS INSTRUCTIONS: ANSWER ALL THE QUESTIONS. SECTION TWO QUESTION ONE (20 Marks) a) List three types of errors in programming giving a suitable examples in each case (3MARKS) b) Write a C program that would output the statements below as they are: (7MARKS) Hello World Welcome to C programming c) Distinguish between the following terms:- (4MARKS) i. Program & programming language ii. Testing & debugging d) List and briefly explain three types of control structures supported by C language. (6MARKS) SECTION THREE QUESTION TWO (20 MARKS) a) Explain the following terms as used in C programming:- (10MARKS) i. Coding ii. Variable iii. Array iv. Programming language v. Function b) Explain four data types supported by C language. (8MARKS) c) Write a C program that counts the values 1 to 10 using For Loop. (2MARKS)