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Programming basics Class 5 Computer Worksheet
1) Answer the following questions (37)
a) What is a program? (1)
b) Name the steps of computer programming. (3)
c) What is algorithm? (1)
d) What is a flowchart? (1)
e) Which are the symbols used in a flowchart and mention their functions. (10)
f) What are the advantages of flowchart? (5)
g) Write the disadvantages of flowchart? (2)
h) Who developed flowchart? (1)
i) What the people are called who writes program? (1)
j) Describe the categories of different programming language. (5)
k) Which language is known as LLL? (1)
l) Which language is known as second-generation language? (1)
m) What is an assembler? (1)
n) Which programs are used to translate high level language to mechanical language? (1)
o) Which language is known as third generation language? (1)
p) Which is called source program? (1)
q) Which language is called fourth-generation language? (1)
2) Full in the blanks (3)
a) Machine language is also known as _________ .
b) Natural language is often associated with _______ and _______ .
c) _______ and ______ are language processor.
Answer
1) Answer the following questions (37)
a) What is a program? (1)
Answer –Program is a set of instructions which are written as language which can be understood by computer.
b) Name the steps of computer programming. (3)
Answer – There are three steps of computer programming. These are,
Creating an Algorithm
Making a flowchart
Converting a flowchart into a program
c) What is algorithm? (1)
Answer –Algorithm is a step by step procedure which carries out any given particular task.
d) What is a flowchart? (1)
Answer – A flowchart is a problem solving process shown as a diagrammatic representation.
e) Which are the symbols used in a flowchart and mention their functions. (10)
Answer –The symbols used in a flowchart are,
Oval shaped symbol – this symbol is used at the beginning and end of the flowchart.
Parallelogram shaped –this symbol indicates the input and output of a program.
Rectangle shaped – Used to show the pushing part of the program
Rhombus shaped – used to check the conditions and take decisions to solve the problems.
Arrow line – Used to connect different shapes and to show the flow of logic
Circle shaped – This symbol is used to join parts of a flowchart.
f) What are the advantages of flowchart? (5)
Answer – The advantages of flowchart are,
Flowchart helps to solve a problem in a more systemic way.
Better way to communicate with logic of a system.
During program development phase acts as a guide.
Helps to find the errors.
g) Write the disadvantages of flowchart? (2)
Answer – Disadvantages of flowchart are,
If the program logic is long, it becomes very complex.
Very difficult to change something in the flowchart, if you want to change something you have to redraw it all again.
h) Who developed flowchart? (1)
Answer – Flowchart was developed by Herman Goldstine and John von Neumann.
i) What the people are called who writes program? (1)
Answer – People who writes program are called Programmers.
j) Describe the categories of different programming language. (5)
Answer –The categories of programming language are,
a) Computer language
Low level language
A) Machine language
B) Assembly language
High level language
C) Procedural language
D) Non-procedural language
E) Natural language
k) Which language is known as LLL? (1)
Answer –Machine language is known as LLL.
l) Which language is known as second-generation language? (1)
Answer – Assembly language is known as second-generation language.
m) What is an assembler? (1)
Answer – Assembler is used 5o translate assembly language to machine language so the computer can understand it.
n) Which programs are used to translate high level language to mechanical language? (1)
Answer –Programs like Interpreter and Compiler are used to translate high level language to mechanical language.
o) Which language is known as third generation language? (1)
Answer –Procedural language is known as third generation language.
p) Which is called source program? (1)
Answer –Non-procedural language is called source program.
q) Which language is called fourth-generation language? (1)
Answer – Non-procedural language is called fourth-generation language
2) Full in the blanks (3)
-
- Machine language is also known as first generationlanguage.
- Natural language is often associated with expert systemsand artificial intelligence.
- Interpret and Compiler are language processor.