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Develop a stopwatch with lap counter and total time calculator. The


program will create two processes and they will start calculating time.


One process will be used to calculate total time and the other will calculate


lap time. The total time calculator process will keep on calculating time.


In the lap time, calculator process when it reaches lap time limit, the


process will display lap number and set its counter to zero and start


calculating again. Take input of lap time and number of laps from the user


and start the program. At the end, display total time from total time


calculator process.

Develop a stopwatch with lap counter and total time calculator. The

program will create two processes and they will start calculating time.

One process will be used to calculate total time and the other will calculate

lap time. The total time calculator process will keep on calculating time.

In the lap time, calculator process when it reaches lap time limit, the

process will display lap number and set its counter to zero and start

calculating again. Take input of lap time and number of laps from the user

and start the program. At the end, display total time from total time

calculator process.


Develop a stopwatch with lap counter and total time calculator. The

program will create two processes and they will start calculating time.

One process will be used to calculate total time and the other will calculate

lap time. The total time calculator process will keep on calculating time.

In the lap time, calculator process when it reaches lap time limit, the

process will display lap number and set its counter to zero and start

calculating again. Take input of lap time and number of laps from the user

and start the program. At the end, display total time from total time

calculator process.


  1. Develop a flowchart to calculate the tuition fee for a student at an University. The program should prompt for and accept the idnumber and the total number of credits for which he/she has enrolled. The bill outputted should contain the idnumber and tuition fee.

Calculate the tuition fee as follows:

  • Total credits of 15 or more indicates that the student is full-time. Full-time students pay a flat rate of $35,000 for tuition. 
  • Total credits of less than 15 indicate that the student is part-time. Part-time students pay $850 per credit for tuition.   

After printing the tuition fee, ask the user if s/he wants to calculate the tuition fee for another student – “Y” for yes and “N” for no. (This question is asked each time the tuition fee is printed). If s/he does, allow him/her to enter another student’s idnumber and total number of credits and find the tuition fee again. If the answer is no, the flowchart must be terminated with an appropriate message.



The Open Systems Interconnection model is a conceptual model that characterises and standardises the communication functions of a telecommunication or computing system without regard to its underlying internal structure and technology. 2.1 Describe the five principles that were followed/applied to arrive at the seven layers. (10) 2.2 Discuss the functions of each layer of the OSI model and protocols used. (15) 2.3 Describe the design issues associated with the Network layer of the OSI model


Write a C# program that displays the current directory and then and size of all files are stored in the directory. Your display should be aesthetically pleasing. Numbers should be number aligned and matted with a separator. Provide headings over the column listings.

“Network topology can simply be defined as the arrangement of the elements (links, nodes, etc.) of a communication network”. With reference to the foregoing statement, use a well labelled diagram, describing any three types of Network topologies and highlighting their advantages and disadvantage


recommend three web 3.0 technologies tools that can be used in a cleaning service business to keep track of orders and for constant communication with customers


1.    The manager of a supermarket collected the data of 25 customers on a certain date. Out of them 5 purchased Biscuits, 10 purchased Milk, 8 purchased Fruits, 6 purchased both Milk and Fruits.

Let B represents the randomly selected customer purchased Biscuits, M represents the randomly selected customer purchased Milk and F represents the randomly selected customer purchased Fruits.

Represent the given information in a Venn diagram. Use that Venn diagram to answer the following questions.

a)       Find the probability that a randomly selected customer either purchased Biscuits or Milk.

b)      Show that the events “The randomly selected customer purchased Milk” and “The randomly selected customer purchased Fruits” are independent.



Write a program in C++ that reads some text entered through the keyboard till the end of 

file (eof) character is entered. The words in the text are written to different text files as per 

the following conditions:

• The words beginning with any of the lowercase vowels (a, e, i, o, u) are written to 

a file fileV.txt.

• The words beginning with a digit (0 – 9) are written to a file fileD.txt.

• All other words are written to a file fileRest.txt.


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