Which of the following would be a benefit of caching a web page on users local computer?

Speed up retrieval and display of the webpage on subsequent visits

You can see the latest version of the web page without an Internet connection.

You would always have the most up to date version of that web page

It would prevent hacking of that web page

When creating a structure diagram using top-down modular design what do the lowest level leaf nodes end up becoming in the finished program?

Modules, procedures and functions

A program is written to ask the user for a number. It generates this many random numbers in the range 0-100. If any number generated was greater than 90 it outputs 'higher number generated'. Where is a decision being taken in this program?

Checking the generated number is greater than 90

Asking the user to input a number

Outputting the string 'higher number generated'

In which situation may it not be possible to determine the order of steps needed to solve a problem?

The problem may be highly event-driven and non-sequential in nature

The problem might be to large or to small

The problem might be poorly defined

The problem might involve object orientation

What is meant by the term 'abstraction'?

Including the necessary details and leaving out the unnecessary details

Getting to a solution through the clear definition of the steps needed

Breaking a problem down into smaller sub-problems

A simplified programming language used in program design

Which of the following is NOT a benefit of reusable library routines when programming?

They might not be the most efficient way of solving a problem

Saves work and time for programmers shortening the overall development

Routines may be used multiple times

Routines are already compiled, and therefore tested and error-free

Which of the following is a benefit of concurrent processing?

Lower overheads of managing multiple processes

Potential slow down if many users request a similar action

Which of the following is a benefit to the end user of software programs using reusable components?

It can create a recognisable interface between applications

Increased file storage capacity

Why is the computational skill of abstraction needed?

To make sure we focus on the details that are important and ignore those that are not

It allows you to write assembly language programs

It allows you to write object orientated programs

It allows more than one programmer to work on a solution at a time

How might abstraction be used when actually programming a solution?

Deciding what variables & objects will and will not be needed

When writing programmer comments

When deciding if you should use a procedure or a function

When deciding on your choice of programming language

You have been asked to design an abstract model for a satellite navigation program. Out of the following details, which you recommend removing from the finished model?

Wooded areas illustrated with trees

Place names of towns and cities

Location of petrol and service stations

Why is it not always possibly to apply the concepts of concurrency to a problem?

The problem may not lend itself to two actions happening at the same time

The problem does not require pipelining

The problem might be written using object orientated techniques

Why is abstraction needed when designing a computer game?

To make sure development doesn’t get slowed down by unnecessary detail

To help keep development on track and delivered on time

To make sure a balance is achieved between fun and realism

Which of the following programming concepts results in decisions needing to be taken?

Calling procedures and functions

Declaring variables and constants

Which of the following is NOT a benefit to a programmer of using reusable program components?

The program is quicker to learn

Can make use of expertise already deployed to code components

Which of the following is a benefit of concurrency?

It helps you to break down a problem into smaller sub-problems

It allows you to write object orientated code

It helps you work out what detail is and isn't needed in your solution

Which of the following statements is describing the skill of, 'thinking abstractly'?

Removing unnecessary details and including only the relevant details

Identifying decision points for branching or iteration

Which of the following statements is describing the skill of, 'decomposition'?

Identifying decision points for branching or iteration

Removing unnecessary details and including only the relevant details

NEW 2.1 computational thinking

Authored by Matt Hunt

Computers

2nd Grade

Used 1+ times

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43 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Using a flowchart to design an algorithm is an example of what?

Thinking logically

I don't know

Thinking concurrently

Thinking abstractly

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When designing systems, it is important to consider what aspects are important to solve the problem and what are not. What is this known as?

Abstraction

Implementation

Reality

Programming

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How would an architectural drawing of a house differ from reality?

The colour of the paint

Location of entrances and exits

Size and dimensions of the house

Location and size of windows

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do we mean when we talk about decision points in a program?

Any point in a program when processing and calculations are performed

Any point where the program can take an optional route based on a condition

Any point in a program when it outputs data

Any point in a program when a user is asked for input

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which computational thinking skills can be described as, 'identifying the preconditions of a system, the inputs, outputs and reusable components'?

Thinking ahead

Thinking abstractly

Thinking logically

Thinking procedurally

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A charity concert is being planned. Which of the following would NOT be considered a 'pre-condition' before deciding on a suitable venue?

Estimated noise level of concert

Estimated number of attendees

Will the concert be held inside or outside

Genre of musical artists (e.g. rock, pop, dance)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of a structure diagram?

To show the steps of an algorithm

Break a problem down to show the order of program modules

To explain the steps of a coded solution in structured English

To show the attributes and methods of a class

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NEW 2.1 computational thinking

Using a flowchart to design an algorithm is an example of what?

When designing systems, it is important to consider what aspects are important to solve the problem and what are not. What is this known as?

How would an architectural drawing of a house differ from reality?

What do we mean when we talk about decision points in a program?

Which computational thinking skills can be described as, 'identifying the preconditions of a system, the inputs, outputs and reusable components'?

A charity concert is being planned. Which of the following would NOT be considered a 'pre-condition' before deciding on a suitable venue?

What is the purpose of a structure diagram?

What is described as, 'anything which will be required to go into a system in any form in order for it to operate as intended'?

What can be described as, 'anything which exits a system in any form in order for it to operate as intended'?

What can be described as, 'Any condition which pre-exists the suggested solution'?

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