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Flashcards in Scholar Mix Deck (29):
1

Interpreter Features

Do not create an object code file
Platform specific
Will run a program until an error is found
Translate and execute code line by line

2

Type of variable used to identify an index of an array

Integer

3

What is the largest decimal number which can be stored using 8-bit twos complement notation?

127

4

How many colours can be represented by a bit depth of 32 bits?

Over 4 billion

5

Increasing the number of bits representing the mantissa of a floating point number

Increases the accuracy of the numbers represented

6

Increasing the number of bits representing the exponent of a floating point number

Increase the range of numbers which can be represented

7

Decreasing the number of objects in a vector graphic image

Decreases the file size

8

The contents of an array of integers will be stored using

Twos complement notation

9

Responsible for finding out the requirements of the client

Systems analyst

10

Agile Development characteristics

Reduced development time
Responsiveness to changed circumstances

11

Types of design notation in software development

Data flow diagram
Pseudocode
Structure Diagram

12

What is top down design?

Breaking a large, complex problem down into smaller, more manageable sub programs

13

Compiler features

Translates source code into machine code in a single operation
Are processor specific
Compiled programs run faster than interpreted ones

14

What is a feature of an object-oriented language?

No knowledge base

15

High level languages do not contain

Ambiguous statements

16

Name a domain specific language

SQL

17

High level language programming environments can be expected to provide

Debugging tools
Search and replace
Automatic Indentation
Keyword highlighting

18

Different platforms require

Different compilers

19

What is meant by a class library?

A set of pre-tested classes which can be used in a program

20

Reliability

How well a program operates without stopping due to design faults

21

Modules in a structure chart

Become modules in the finished program

22

Data flow diagrams require

Structures to be decided on before it can be created

23

Stepwise Refinement

Creating pseudocode from the structure diagram and data flow diagram

24

Which kind of loop does a count Occurences algorithm use?

Fixed loop

25

Beta testing is carried out by

End users of a program

26

Tests should be documented because

Helps to ensure that testing is both comprehensive and systematic
Avoids duplication of tests if errors discovered later

27

Unidirectional

Address bus

28

Number of lines in the data bus determines

Word size of the processor

29

Virtual Machines exist

In RAM