Prof. Nike Osofisan Computer Correspondence Course

Prof. Nike Osofisan Computer Correspondence Course


Prof. Nike Osofisan Computer Correspondence Course is written by recognized and dedicated computer analysts. We have nearly ten to fifteen computer analysts working on our questions. They are computer analysts who have had years of practical experience and often they are the people who have written recognized textbooks for schools.

These Computer analysts not only prepare your questions of studies, they also keep them constantly   updated. Every   year   there   are changes, both because of syllabus and texts. It is vitally important that your courses are kept up to date. That   is why Prof.Nike Osofisan Computer Correspondence Course insists on using the very best   expertise   available   in   preparing   and updating your course of studies.

Secondly, these expertly prepared questions are available for you to study at your own pace, in your own time, in your own home. At the end of the day you can relax by your own fireside and read through your studies. No turning out at night and traveling to evening classes. No taking notes from lectures, everything is written down
for you to study at will and revise as often as you like. No being held back because of slower students in the class. No being rushed too quickly ahead because a lecturer has to keep up with a timetable.

You don’t have to take a chance on how good you are. You can rest assured that your interests are in our interest, and we make the best talent available to you to achieve your aim.


How to Enroll


This   Letter   of   Introduction   is   normally accompanied by an enrolment form. If you require further copies of these documents, please contact the following addresses.

Interested applicants should contact the below listed addresses for registration form or call

Wole Adedoyin-+2348072673852   or +2348142693764   or   send   your   e-mail   to:




  1. To promote Information Technology
  2. To   contribute   to   the   growth   and development of Information Technology in Nigeria as a country and Africa as a continent
  3. To encourage Computer Analysts and Information Technology Scholars
  4. To give recognition, reward and award (RRA) to deserving Computer Analysts to serve as role models
  5. To highlight the roles of Information Technology in the Society.






Answer all Questions

  1. What is the abbreviation for Information Technology?
  2. Describe briefly what is meant by Information Technology
  3. Describe what Information Technology makes possible
  4. What has made the Information Technology revolution possible?
  5. Explain   the   use   of   the   words “information” and “data” in computing
  6. Give an example of Information that could be coded as data in two different ways


  1. List the disadvantages and advantages of storing data in a computer system
  2. For each disadvantage, suggest an application where this would be very important
  3. Name five human senses
  4. For each sense, list information technology systems or devices that you know aid that sense
  5. For each sense, list further uses of IT that could extend the power of that sense.


  1. List   the   stages   in   Information Processing
  2. Explain why a computer needs stored programs and data
  3. Explain what a peripheral is
  4. Give examples of three different peripherals
  5. Explain the differences between a data   processing   system   and   an information processing system


  1. What are silicon chips?
  2. Explain the difference between a micro-computer and a micro-processor
  3. Explain the difference between a mainframe computer, a mini-computer and a micro-computer
  4. List the main advantages that the use of microprocessors has brought
  5. Describe two ways of putting data into a computer

F.Explain what is meant by special-purpose and general-purpose computers, given an example of each

  1. Using the examples of a robot arm and a washing machine, explain what is meant by the phrase ‘a computer is programmable’.


  1. Explain what bits and bytes are?
  2. State what a character is?
  3. Describe a useful character set for a home or school computer

List the similarities and differences between the followings

  1. Bar Codes
  2. Optical Mark Recognition

iii.        Magnetic Ink Characters

  1. Optical Character Recognition
  2. Explain why special reflecting inks are needed to print OMR documents
  3. Suggests a method of checking that an OMR reader has read a document correctly
  4. State the major advantage of each of the following and briefly describe a suitable application, explaining why the technique is so suitable:
  5. Touch Screen
  6. Mouse and Icons iii. Keyboard

iii. Micro Writer





Answer all Questions


  1. Describe the ways in which computers can greatly help disabled people
  2. Explain what tomography is
  3. What features of computer systems are used in tomography?
  4. List the possible uses of computers in hospital administration
  5. What features of computers makes them so useful for each use listed above
  6. List those features of computers that make them valuable as an aid to medical research


  1. Where does the word Robot originate?
  2. Name two writers that have written about robots
  3. Who constructed the first Industrial Robot?
  4. Robots are made of three essential parts?
  5. The Mechanical Structure ii. The Power Unit iii. The Control Unit
  6. Describe each in some detail with drawings to help where appropriate
  7. Describe two ways of programming robots
  8. For each method, describe an application where it would be the more appropriate method.


  1. Name some of the tasks carried out by industrial robots
  2. what are ‘sniffer’ robot designed to do?
  3. Name the countries using robots on a large scale
  4. Why will robot technology advance dramatically over the next few years?


  1. What is an expert system?
  2. List the feature of currently successful expert systems.
  3. Explain what a knowledge base and an inference engine are
  4. List three major features of a CAD graphic system
  5. Explain how simulations aid a designer who is using a CAD
  6. Explain the benefits to the designer of custom-built circuits of using a CAD system.


  1. Explain what the abbreviations CAD, CAM and CIM represent
  2. Explain how a computer can help the works of a designer
  3. List the main advantages of the designer
  4. How are CAD and CAM linked?
  5. List four advantages of CAD/CAM systems giving examples of each


  1. List the CAD/CAM applications
  2. List the reasons why computers are increasingly used.




Answer All Questions


  1. List the four main tasks carried out in offices
  2. How long has the typewriter been in use? How has it developed and what if anything has replaced it?
  3. Describe briefly how a word processor works
  4. state what the cursor does
  5. Explain what function keys are used for in word processing by giving examples from a computer you use.
  6. Co0mpare the use of function keys with using a sequence of other keys, usually
    involving the ‘escape’ or ‘control’ key
  7. List the major advantages of word processors compared to typewriters


  1. Explain why the spelling check dictionary must be held on magnetic disk rather than magnetic tape.
  2. Describe the advantages and disadvantages of storing the dictionary in the memory
  3. Explain what a social network is
  4. Describe the three main types of network
  5. Describe the components of a network and explain their functions
  6. List the parts of a workstation

G.Describe two advantages of communication networks

  1. List the ways of transmitting written communications


3a. Describe the changes in methods of duplicating   and transmitting   text and graphics

  1. List the main advantages of sorting text and graphics in electronic system
  2. Describe how communications in and between offices have been improved by information technology.
  3. Explain what Confravision is
  4. Compare the advantages of Confravision with face-to-face meetings


  1. Explain what telex is and how it differs from electronic mail
  2. Describe an application that needs telex and for which electronic mail is unsuitable
  3. Describe an application for which
    electronic mail is more suitable than telex
  4. Explain what a bank statement, an account and cheque are


  1. Explain the meaning of on-line and off-line
  2. Discuss whether a bank would use modems or telex
  3. Explain what a bureau service is and list the types of services it might provide
  4. Describe some applications that could sensibly use a bureau



Answer All Questions

  1. Write the following abbreviations out in full and explain each in a sentence
  2. MICR
  3. ATM
  4. EFR and EFTPOS
  5. CHAPS
  6. SWIFT
  7. Write a short paragraph to explain each of the following terms
  8. On-line
  9. Multiplexer
    iii. Polling
  10. Interrupts
  11. Transaction Processing
    vi. Real-time processing


  1. Explain the difference between a cash dispenser and an auto bank
  2. Explain the security system for withdrawing cash from a cash dispenser. Compare this with the security of a cheque with a cheque card.
  3. Explain the distinction between analogue and digital signals and displays
  4. Explain why it is easier for computers or microprocessors to process digital data rather than analogue data


  1. Explain the function of an analogue to digital converter
  2. Say what you think a digital-to-analogue converter would do
  3. Describe an application that would need a digital-to-analogue converter
  4. Explain the functions of a transducer
  5. Give an example of the use of a transducer
  6. List the features of microprocessors that make them suitable to control devices


  1. Explain the terms
  2. Source Code
  3. Object Code
    iii. Assembler
    iv. Compiler
  4. Interpreter
  5. System Software
  6. Explain what a high level language is
  7. Give examples of high-level languages and explain what they are designed to do
  8. Explain why high level languages have to be compiled and interpreted
  9. Explain why programs for large-scale control applications would be compiled rather than interpreted.


  1. Describe how computers can be used to help the nursing staff in an intensive care unit
  2. Describe possible output devices or screen designs that would make it possible for a patient to receive a meaningful explanation of the illness together with suggested treatments
  3. Explain what information a computer would need to be able to diagnose a patient’s illness. Compare this with the information a doctor uses.
  4. List the data the system needs to collect from the patient to make a diagnosis and make clear what   information can be collected without   asking   the   patient questions.




Answer all questions


  1. Explain what is meant by RAM, ROM, Bit and Byte
  2. Explain   the   difference   between volatile and nonvolatile memory
  3. Explain why come programs are stored in non-volatile memory as ROM
  4. List the impact printers in order of speed of printing, with the fastest first and the slowest last
  5. Explain the differences between character printers, such as dot matrix and   daisy   wheel   printers and ink printers
  6. Describe the different methods of producing hardcopies of VDU output
  7. Explain   why   COM   has   more disadvantages for a domestic computer user than for a business user.


  1. State what the following abbreviations stand for
  2. VDU ii. COM
  3. Briefly describe four possible way
    of displaying data from a computer
  4. List the main functions of an operating system
  5. List three tasks that could be carried out by a utility program


  1. What is meant by batch processing?
  2. Explain why a payroll system would use batch processing?
  3. Sate three tasks carried out by a computer operator
  4. Describe the work of data control clerks, explaining why they are needed


  1. Describe how a password system works
  2. Describe two other ways of making computer data secure
  3. Describe how a computer assists in the calculation of wages of workers
  4. Describe the job of the systems analyst from the beginning of the idea to the working system.


  1. List the features which information must have to be useful.
  2. Explain why the police need computers to help handle information
  3. Explain each of the following in a few sentences
  4. Machine-readable tickets ii. Light pen reader

iii. Binary Code

  1. Electrical Connectivity


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