What does bubble sort do?

Sorts a list of data by comparing two items to see which is out of order, then moves onto the next pair.

Breaks the list of data up before putting them back together in small groups. Those groups get put back together until the list is whole again and sorted.

Builds a new sorted list of data from the unsorted list, one item at a time.

What does a sorting algorithm do?

Puts a list of items into order

Finds an item of data in a list

What are the two main ways that algorithms can be designed?

In pseudocode or as a flowchart

A way of describing a set of instructions in text form

A specific programming language that all computers use

A diagrammatic representation of a set of instructions

What is decomposition?

Breaking down of a problem into smaller chunks

Breaking smaller chunks of problems into one large problem

What is a binary search?

The list is split into 2 and compared

The first 2 values are compared and moved

Removal of certain details, keeping relevant the information

Stores data in a program for retrieval

Detects errors while program is running

Simplified programming language, that is not a specific language

Complicated programming language

Simple programming language, which is linked to a specific language

Also known as 'divide and conquer' because it is split in half and works on each half in turn. Then it's merged together

When a list is kept as one and compared to another.

List is split into 2 and kept seperate

What is the purpose of a TRACE table?

It's a template to help you follow each instruction in your program.

To store a record of all user activities

To provide a visual representation of data

Abstraction is a recognised technique of Computational Thinking. Which of these is the best definition of abstraction?

The process of removing or hiding unnecessary detail from a problem

Creating a set of logical steps that when followed achieve a particular task

Breaking a problem down into several layers of smaller and simpler subproblems

Exploiting the recurrence of patterns in data to make processing more efficient

The process of filtering out unnecessary detail.

The process of filtering out irrelevant characteristics

The process of filtering out irrelevant characteristics and unnecessary detail.

Which of the following is true of a buble sort?

It checks the next pair in a search.

It compares the first two items, checks the next pair in a search.

IF there have been position changes, the whole process is begun again until the computer can go from start to finish and there are no changes to be made. At this point the data is in descending order.

It is also called SINKING SORT.

Errors can be found during execution and then the process begins all over again.

What is efficiency as it relates to programming?

The extent to which a task is completed using the smallest amount of code.

Using the most advanced programming languages and frameworks.

Maximizing the amount of code used to complete a process.

Writing code that is easy to understand and maintain.

What is the function of a Binary Search Algorithm?

To search a sorted array by choosing the middle value in a sorted array , and works out whether the value sought is higher or lower than the middle value.

Through a binary search, the computer only searches half the data.

To sort an array in ascending order.

Which algorithm is the most correct for walking to school?

Turn left and the end of the road, turn right at the crossing, stop at the lights, then go straight on. Look for 'school crossing' sign.

order breakfast sandwich and wait till its ready, stop and talk to friends, tur left at the end of the road.

look for the 'school crossing' sign, order breakfast sandwich and wait till its ready. step to talk to a friend before making your way to school.

algorithm BI 2023 ANB

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algorithm BI 2023 ANB

51 questions

What is an algorithm?

What are algorithms used for?

How can an algorithm be represented?

What is a flowchart?

What is the correct symbol for a process instruction in a flowchart?

What is the correct symbol for an input in a flowchart?

What is the correct symbol for a decision in a flowchart?

What is the correct symbol for an output in a flowchart?

Algorithm is a

Flowchart are ____________________________ in nature.

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