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Exam questions by topic (coming soon)

Edexcel curriculum (2015)


Algorithms

Application sof'wre

Ascii

Binary

Cache

Client-Server

Cloud

Compression

Computational think

CPU

Cyber security

Database

Fetch-d-e cycle

Embedded system

Encryption

Environment

Ethics

File size

Flow chart

Hexadecimal

High Level language

ISP/Internet

Law & Legislation

Logic

Magnetic HDD

Networking

Open source

Operating system

Optical storage

Peer to peer

Pictures (data rep)

Protocols

Run length encoding

RAM

ROM

Simulation software

Solid state HD

Sound

Stored program

Utility Sof'wre

Algorithms - Merge sort

Picture
Answer
Picture

Algorithms - Bubble sort

Picture
Answer
Picture

Algorithms - Binary search

Picture
Answer
​9 (1)
4 or 5, 3 (1)
2 (1)

Algorithm

Picture
Answer
​Any one of:
Incorrect comparison (1) should be < (1)
OR
Replaces HighestScore with BubbleScore if BubbleScore is less than HighestScore (1)
should be greater than (1)

Algorithm

Picture
Answer
​Correct calculation using variables (1)
For example:
DIVIDE TotalTime by NumberLaps (1)
TotalTime/NumberLaps (1)

Use of variable for result (1)
For example:
SET AverageTime (1)
STORE AverageTime (1)

Algorithm


Picture
Answer
RECEIVE StartStation from (STRING) CARD
READER
SET Index TO 0
SET Found TO false
WHILE Found = false DO
      IF ListOfStations.Station[Index] =
StartStation THEN
            SET Found TO True
      ELSE
            SET Index TO Index + 1
END IF
END WHILE
IF ListOfStations.Distance[Index] < 5 THEN
            SET CostOfJourney TO 2.50
ELSE
           IF ListOfStations.Distance[Index] >12
THEN
                  SET CostOfJourney TO 4.15
           ELSE
SET CostOfJourney TO 3.25
            END IF
END IF
IF (Time >10.00 AND Time <17.00) OR (Day =
Saturday OR Day = Sunday) THEN
SET Cost TO Cost*0.9
END IF
SEND [“The cost of your journey is £”,
CostOfJourney, “Thank you for travelling on our
railway.”] TO DISPLAY

Algorithm - Selection sort

Picture
Answer
Picture
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