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Programming concept
Programming concept
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IGCSE Computer Science 0478 Unit 11
Flashcards
17 cards
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Questions
17
Answers
1
It can contain any sequence of characters, visible or invisible, and characters may be repeated.
A real
A string
A Boolean
A character
2
4, 27, 65535 are examples of
Integer
Real
Boolean
Char
3
Programming is :
creating flowcharts by using software.
a list of instructions a computer can follow.
writing advanced pesudo code.
using various applications
4
To eliminate errors, the programmer goes through a process called:
hacking
debugging
coding
processing
5
4.2, 27.4, 5.63 are examples of
Real
Char
Integer
Boolean
6
Data values that may change during program execution are known as
arrays
constants
variables
values
7
a, F, 3, $, £, # are examples of
Char
Real
Integer
Boolean
8
I am a fixed length data type.
Char
Integer
Real
String
9
Data values that stay the same every time a program is
executed
are known as
variables
arrays
values
constants
10
Console.writeline() is ...
an output command.
an input command.
It store the data
It is a process.
11
true or false , yes or no are examples of:
Integer
Real
Boolean
Char
12
Failure to use the correct data type may result:
correct output
losing the ability to perform sorts or calculations using the data.
increase the efficiency of the program
fast processing speed
13
It’s important to specify the right data type for your data structures because:
program can run faster
The program needs to know what type of values an object can store
program is lazy
to avoid syntax errors
14
A string such as "573" is not the same as the number 573
False
True
15
Most programming languages provide a
data type
called 'integer', often called 'int' which represents:
whole numbers
decimal numbers
o and 1
on and off
16
Every letter, digit, and punctuation mark is a ...
character
Number
Real
Boolean
17
Loop is a commonly used data type.
False
True
