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    • 07 Paper 2

EDEXCEL GCSE COMPUTING

May 2018
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EDEXCEL GCSE 2018 Paper 2 exam paper can be downloaded here



EDEXCEL GCSE 2018 Paper 2 mark scheme can be downloaded here

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1A Answer
Any two from:
  • Date of birth 
  • Employee number
  • Permitted areas 
  • Department
  • Salary
  • Address
  • Job role
  • Badge number
  • National Insurance number 
  • Location/depot
  • Uniform information
​

More help here -
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1B answer
10 + (((currentYear - startYear) -2)  x 0.5)

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1C answer


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2a answer
In this exact order:
  1. South depot
  2. North Depot
  3. ​Unknown code

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2b answer
  • Type check(1) (data)
  • Length check(1) (data)
  • Presence check(1) (code is blank)
  • Lookup check(1) (Explanation of data not in pre-existing lists)

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3ai answer
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3aii answer
Boolean

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3aiii answer
Real/Float
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3B answer
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3c answer
199

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4a answer
Logical error

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4b answer
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5a answer
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5b answer
A function returns a value

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5c answer
Volume


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5d answer
  • Reduced coding time/code is quicker to write/code can be reused
  • Reduced bugging time/library is bug free/reduced testing time
  • ​Library may have more complex functionality than programmer has understanding of

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6ai answer
Random order (1) means that all items will have to be looked at to find all occurrences
Because the data is NOT sorted (1), the algorithm has to look at every item in the list


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6aii answer
The loop (1) means that all records will have to be looked at even if there are no numbers > 300 in the list (1)
​
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6aiii answer
Any from:
  • Sort the list
  • Direction of search (ascending, descending)
  • Test for stopping for found item < 300​

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6b answer
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6c answer
  • Drivers may feel it is an invasion of privacy because they could be tracked during work hours and when they are not delivering items
  • Drivers may not feet it is acceptable to be ranked/compensated based on tracking data because unknown things like roadworks will affect the tracking data
  • Drivers may be tracked by customers who my be annoyed by perceived delays
  • Drivers may worry that their personal data (home address) may not be secure
  • Drivers may want to use the vans for their own purposes outside work hour and may not want this ot be tracked

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7a answer
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7bi answer 
To uniquely identify an entity  / a record in a table

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7bii answer 
MachineNumber

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7biii answer
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7biv answer
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8 answer
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  • Edexcel GCSE CS
    • Past papers >
      • 2020 Current spec (coming soon) >
        • Programming Language Subset (PLS)
      • Old 2016 SPEC >
        • Paper 1 (specimen1)
        • Paper 1 (specimen2)
        • Paper 1 (2018)
        • Paper 1 (2019)
        • Paper 2 (specimen1)
        • Paper 2 (2018)
        • Paper 2 (2019)
      • OLD 2013 SPEC >
        • Sample assessment 1 (old spec)
        • Sample assessment 2 (old spec)
        • June 2017 (old spec)
        • June 2016 (old spec)
        • June 2015 (old spec)
    • Paper 1 (by topic) >
      • Algorithms
      • Application software
      • Ascii
      • Binary
      • Cache
      • Client Server
      • Cloud
      • Compression
      • Computational thinking
      • CPU
      • Cyber security
      • Database
      • Fetch decode execute cycle
      • Embedded system
      • Encryption
      • File size
      • Flow chart
      • Hexadecimal
      • High Level language
      • ISP/Internet
      • Logic
      • Magnetic HDD
      • Networking
      • Open source
      • Operating system
      • Peer to peer
      • Images (Data representation)
      • Protocols
      • RAM
      • ROM
      • Run length encoding
      • Simulation software
      • Solid state HDD
      • Sound
      • Stored program concept
      • Utility software
    • Curriculum >
      • Binary
      • Hex
      • Data Representation
      • Compression
      • Encryption
      • What is a computer
      • How does a computer work
      • Hardware
      • Operating system
      • The CPU
      • Input devices
      • Data storage
      • Networks
      • Microcontrollers
      • Computational models
      • Emerging trends
      • Virtual machine
      • Models and simulators
      • Algorithms
    • Python >
      • Help with Python >
        • Finding python
        • Python coding >
          • Comments
          • Data types
          • Variables
          • If Else
          • If Elif Else
          • Functions
          • For loop
          • While loop
          • Data structures >
            • Looping thru 2D array
          • String slicing/indexing
          • user defined function
          • Local/global variable
          • Validation and try
          • methods
          • File I/O
          • Pseudocode
          • Modules >
            • Turtle
          • Classes
          • NEA/Projects
        • Python questions
  • KS3/Other
    • KS3 >
      • E-Safety >
        • E-Safety intro
        • Screen time
        • E-Safety questions
      • Hardware >
        • All Hardware
        • Magnetic hard disk drive
        • Optical disk drive
        • Solid state drive
      • Software
      • Binary/Hex/Algorithms >
        • Binary
        • Hexadecimal - 1 digit
        • Hexadecimal - 2 digits
        • Algorithms
        • ASCII
        • Tests
      • Networks
      • Protocols/Cyber attacks
      • Scratch
      • Logic >
        • CPU
        • AND gate
        • OR gate
        • NOT gate
        • Logical statements
      • Python >
        • Getting started
        • Functions
        • Variables
        • VariablesToo
        • inputs
        • Selection
        • Flowcharts
        • Data types
        • Pseudocode1
        • Pseudocode2
        • Subprogram1
        • Subprogram2
        • Coding challenges
      • HTML
    • BTEC CS
    • OCR GCSE CS >
      • Past paper JUNE 2015
      • Past paper June 2014
      • Past paper MAY 2012
      • Past paper JAN 2011
      • Past paper JUN 2011
    • AQA AS-Level CS >
      • AS Curriculum >
        • Multiple choice questions
    • Business studies >
      • Keywords
      • BS Revision - Multiple choice
      • Paper 1 (9-1)
      • Paper 2 (9-1)
  • Contact/More
    • Code editor
    • Contact us
    • upload
    • Microbit ideas
    • More
  • Self test
    • 01 Random topics
    • 02 Programming
    • 03 Data
    • 04 Computers
    • 05 Communication and the internet
    • 06 The bigger picture
    • 07 Paper 2