Cambridge & Pearson Edexcel Past Paper Questions

An algorithm has three steps. It will: 1. repeatedly input a pair of numeric values A and B 2. count the number of pairs that are input until A has...

The diagram shows an Abstract Data Type (ADT) representation of a linked list after data items have been added. • PS is the start pointer. • PF is ...

A global 1D array Data contains 100 elements of type integer. A function Check() will: • total the element values in odd index locations (1, 3, 5 ....

A global 1D array of strings contains three elements which are assigned values as shown: Data[1] ← "aaaaaa" Data[2] ← "bbbbbb" Data[3] ← "cccccc" P...

Three points on a grid form a triangle with sides of length A, B and C as shown in the example: y 10 9 8 7 6 5 C B 4 3 2 A 1 X 0 1 2 3 4 5 6 7 8 9 ...

A fitness club has a computerised membership system. The fitness club offers a number of different exercise classes. The following information is s...

A teacher is designing a program to process pseudocode projects written by her students. Each student project is stored in a text file. The process...

A program is being developed.

A factory needs a program to help manage its production of items. Data will be stored about each item. The data for each item will be held in a rec...

A triangle has sides of length A, B and C. [Figure of a triangle with sides A, B, C] In this example, A is the length of the longest side. This tri...

A program is being designed in pseudocode. The program contains a global 1D array Data of type string containing 200 elements. The first element ha...

A music player stores music in a digital form and has a display which shows the track being played. (a) Up to 16 characters can be displayed. Track...

A fitness club has a computerised membership system. The system stores information for each club member: name, home address, email address, mobile ...

Refer to the insert for the list of pseudocode functions and operators. A program uses many complex algorithms. One algorithm is repeated in seve...

A program uses a global 1D array of type string and a text file. An algorithm that forms part of the program is expressed as follows: • copy the fi...

A record structure is declared to hold data relating to components being produced in a factory: TYPE Component DECLARE Item ID : STRING DECLARE Rej...

A procedure TwoParts() will input a sequence of real values, one at a time. The procedure will: • process the sequence in two parts • form a first ...

A program is being designed in pseudocode. The program contains the following declaration: DECLARE Data : ARRAY[1:1000] OF STRING A procedure Array...

A program displays a progress bar to inform the user of the progress of tasks that take a significant time to complete, such as those involving fil...

Seven program modules form part of a program. A description of the relationship between the modules is summarised below. Any return values are stat...

A teacher is designing a program to process pseudocode projects written by her students. The program analyses a student project and extracts inform...

The TCP/IP protocol suite has four layers: Transport, Application, Link, Internet

Explain what is meant by non-composite and composite data types.

Describe the sequential method of file access.

Write this Reverse Polish Notation (RPN) in infix form: 5 2 + 9 3 - / 3 *

The diagram shows a logic circuit. [Figure 6.1]

Describe what is meant by a digital certificate.

A declarative programming language is used to represent the features that are available and the features that are unavailable on different body sty...

Explain what is meant by Deep Learning in relation to Artificial Intelligence (AI).

State a condition that must be true for an array to be searchable for a binary search.

Describe the effect of changing the allocation of bits used for the mantissa and for the exponent in a floating-point number with a fixed total num...

Outline why protocols are essential for communication between computers.

Explain what is meant by the term non-composite data type and give an example of a non-composite data type. Example

Sheila has a customer called Fred. Fred wants to send Sheila a confidential document as part of a transaction. Explain how Fred uses asymmetric enc...

Write this infix expression in Reverse Polish Notation (RPN): (7 – 2 + 8) / (9 – 5)

Outline what is meant by direct access as a method of file access.

Complete the pseudocode to find an item in a 1D array Widgets of type STRING, using a linear search. DECLARE Widgets : ARRAY[1:50000] OF STRING DEC...

Outline two benefits and two limitations of a virtual machine. Benefit 1 Benefit 2 Limitation 1 Limitation 2

A declarative programming language is used to allow clients to choose daily activities at the beach. 01 activity(paddleboarding). 02 activity(saili...

Explain what is meant by Reinforcement Learning in relation to Artificial Intelligence.

A program needs to take integer numbers as input, sort the numbers and then search for a specific number.

A computer program will store data about trees. The user can enter their requirements for a tree and a suitable tree will be selected. The program ...

A program reads data from the user and stores the data that is valid in a linear queue. The queue is stored as a global 1D array, QueueData, of str...

A program is being developed to help the manager of a shop control the stock.

A program is being developed to calculate the pay of employees working for a company. A function CalculateBonus () calculates bonus pay based on t...

A student has been asked to create a simple guessing game program. This program will generate a random integer value between 1 and 100. It will the...

Study the algorithm: DECLARE Chars : ARRAY[1:4] OF CHAR DECLARE I, J : INTEGER DECLARE Key : CHAR I ← 2 Chars[1] ← 'D' Chars[2] ← 'T' Chars[3] ← '...

Stacks and queues are both abstract data types. A stack uses a top-of-stack pointer to indicate the location of the last item added to the stack. ...

A program monitors the speed of vehicles as they move around a large building site. Each vehicle contains a sensor which reads an integer value th...

A program is being developed to implement a customer loyalty scheme for a coffee shop. The programmer has decided that the following data items ne...