Senior class computer Studes Question

SECTION A:  Answer all question

1.      Define the following

(a)    Programming

(b)   Algorithm

(c)    Flow chart

(d)   Machine language

2.   Enumerate the following and give example:

      (a)  Variable Declaration

      (b)  Execution section

      (c)  Sub – program section (Termination section)

3.   Copy and complete the arithmetical operator of FORTRAN in the table below

Operation	Operator	Example uses
Addition		a + b
Subtraction	-
	*	a * b
Division
		a** b

SECTION B: Answer number 4 and any other two questions out of this section.

4.      A boutique want to purchase a screen printing that will welcome and display Easter greetings to their customer  assuming you are the programmer, write a program to  display ‘ You are welcome, Happy Easter’ using FORTRAN 90/95 .

5.      write a program to solve a quadratic equation using FORTRAN 90/95 .

6.      write a program that will calculate the age of individual using FORTRAN 90/95 .

7.      write a program to perform differeciation using FORTRAN 90/95 .

SECTIN C: answer all question in this section.

8.      (a) Differenciate between Data and Computer data.

(b) List and explain two important things required to collect data.

9.   (a) mention the sources of data

(b) explain the sources of data listed in (a) above .

10. Mention and explain two method of data collection.

11. (a) What is the full meaning of ASCII and BCD ? .

      (b)  mention two version of ASCII.

SECTION D : Answer the question bellow and show your workings.

12. the table below shows the conversion of TALENTY into ASCII, convert the ASCII  into BCD  and vise versa.

S/N	Word	ACSII	BCD
1	T	54
2	A	41
3	L	4C
4	E		1000101
5	N	4E
6	T
7	Y		1011001