Scholar Mix

Question 1

Interpreter Features

Answer 1

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

Question 2

Type of variable used to identify an index of an array

Answer 2

Integer

Question 3

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

Answer 3

127

Question 4

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

Answer 4

Over 4 billion

Question 5

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

Answer 5

Increases the accuracy of the numbers represented

Question 6

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

Answer 6

Increase the range of numbers which can be represented

Question 7

Decreasing the number of objects in a vector graphic image

Answer 7

Decreases the file size

Question 8

The contents of an array of integers will be stored using

Answer 8

Twos complement notation

Question 9

Responsible for finding out the requirements of the client

Answer 9

Systems analyst

Question 10

Agile Development characteristics

Answer 10

Reduced development time

Responsiveness to changed circumstances

Question 11

Types of design notation in software development

Answer 11

Data flow diagram
Pseudocode
Structure Diagram

Question 12

What is top down design?

Answer 12

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

Question 13

Compiler features

Answer 13

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

Question 14

What is a feature of an object-oriented language?

Answer 14

No knowledge base

Question 15

High level languages do not contain

Answer 15

Ambiguous statements

Question 16

Name a domain specific language

Answer 16

SQL

Question 17

High level language programming environments can be expected to provide

Answer 17

Debugging tools
Search and replace
Automatic Indentation
Keyword highlighting

Question 18

Different platforms require

Answer 18

Different compilers

Question 19

What is meant by a class library?

Answer 19

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

Question 20

Reliability

Answer 20

How well a program operates without stopping due to design faults

Question 21

Modules in a structure chart

Answer 21

Become modules in the finished program

Question 22

Data flow diagrams require

Answer 22

Structures to be decided on before it can be created

Question 23

Stepwise Refinement

Answer 23

Creating pseudocode from the structure diagram and data flow diagram

Question 24

Which kind of loop does a count Occurences algorithm use?

Answer 24

Fixed loop

Question 25

Beta testing is carried out by

Answer 25

End users of a program

Question 26

Tests should be documented because

Answer 26

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

Question 27

Unidirectional

Answer 27

Address bus

Question 28

Number of lines in the data bus determines

Answer 28

Word size of the processor

Question 29

Virtual Machines exist

Answer 29

In RAM