Cambridge & Pearson Edexcel Past Paper Questions
Browse 35,704 questions from Cambridge O-Level & A-Level and Pearson Edexcel IGCSE & IAL exams. Click any question to practice.
State what is meant by the terms: Parallel data transmission Serial data transmission
State what is meant by the term USB.
Complete the truth table for the following logic circuit: [Figure showing logic circuit with inputs A, B, C and output X, and a truth table with co...
Choose six correct terms from the following list to complete the spaces in the paragraphs below: • encryption • file name • firewall • HTML tags/t...
Five storage devices are described in the table below. In column 2, name the storage device being described. In columns 3, 4, or 5, tick (√) to s...
Viruses, pharming and phishing are all examples of potential Internet security issues.
One of the key features of von Neumann computer architecture is the use of buses.
An alarm clock is controlled by a microprocessor. It uses the 24 hour clock. The hour is represented by an 8-bit register, A, and the number of min...
Draw a line to connect each question to the correct answer. [Table with two columns: Question and Answer. Each row contains a question in the left...
Five statements about interpreters and compilers are shown in the table below. Study each statement. Tick (✔) to show whether the statement refer...
Four statements about cookies are shown in the table below. Study each statement. Tick (✔) to show whether the statement is true or false. Stateme...
The majority of mobile phones use touch screens. Three common technologies are used by different mobile phone manufacturers. Choose one of the foll...
Four input devices, four descriptions and four applications are shown below. Draw a line to connect each input device to its correct description. T...
State what is meant by the term SSL.
Parity checks are often used to check for errors that may occur during data transmission.
A gas fire has a safety circuit made up of logic gates. It generates an alarm (X = 1) in response to certain conditions. Input Description Binary ...
Street lighting is controlled automatically. A light sensor and a microprocessor are used to decide when to switch each street light on or off. De...
Five computing terms are described below. Write the name of the term being described. Software that anyone can download for free from the Internet...
Five statements about interpreters and compilers are shown in the table below. Study each statement. Tick (✔) to show whether the statement refers ...
Letters from the alphabet are represented in a computer by the following denary (base 10) values: A = 97 G = 103 I = 105 L = 108 N = 110 The word...
All variables, constants and other identifiers should have meaningful names. Here is a copy of the pre-release material. DO NOT attempt Tasks 1, 2 ...
Read this section of program code that should input 10 positive numbers and then output the smallest number input. 1 Small = 0 2 Counter = 0 3 REPE...
The flowchart below inputs the weight of a number of parcels in kilograms. Parcels weighing more than 25 kilograms are rejected. A value of –1 stop...
Five data types and five data samples are shown below. Draw a line to link each data type to the correct data sample. Data type Data sample Integ...
Explain the difference between a variable and a constant in a program.
Identify three different loop structures that you can use when writing pseudocode.
A database, PROPERTY, was set up to show the prices of properties for sale and the features of each property. Part of the database is shown below. ...
You are advised to spend no longer than 40 minutes answering this section. Here is a copy of the pre-release material. DO NOT attempt Tasks 1, 2 an...
Read this section of program code that should input 30 positive numbers and then output the largest number input. 1 Large = 9999 2 Counter = 0 3 WH...
(a) The flowchart below inputs six single digit numbers. The predefined function MOD gives the value of the remainder, for example, Y ← 10 MOD 3 gi...
Four programming concepts and four examples of programming code are shown below. Draw a line to link each programming concept to the correct exampl...
A database, MARKS, was set up to record the test results for a class of students. Part of the database is shown below. [Table 6.1] Student Name | C...
Some software can be described as free, freeware or shareware.
Hexadecimal codes are used in MAC addresses.
Five sensors and five applications are shown below. Draw a line to link each sensor to its most appropriate application. Sensor Application Light s...
Nikita wishes to print out some documents and connects her printer to the computer using one of the USB ports.
A computer-controlled machine produces plastic sheets. The thickness of each sheet must be within a certain tolerance. The sheets are kept below 50...
Secure socket layer (SSL) is used in the security of information on Internet websites.
Each seat on a flight is uniquely identified on an LCD above the seat. For example, seat 035C is shown as: [Figure: 035C] The first three character...
A bank offers an online service to its customers. The bank has developed a “SafeToUse” system that asks each customer to enter four randomly chosen...
Check digits are used to ensure the accuracy of entered data. A 7-digit number has an extra digit on the right, called the check digit. digit posit...
Six security issues and six descriptions are shown below. Draw a line to link each security issue to its correct description.
Four examples of optical storage media are: • DVD-RW • DVD-RAM • CD-ROM • Blu-ray disc The table below shows four features of optical storage media.
Name the following type of barcode: [Figure of QR code]
Complete the following by writing either compiler, interpreter or assembler in the spaces provided. .................................................
Motion sensors are used in a security system to detect intruders. Name three other sensors that could be used in the following applications. Give a...
Convert the following hexadecimal number into 12-bit binary: 4AF
Nigel wants to send a large text file electronically to Mashuda.
Six descriptions and six devices are shown below. Draw a line to link each description to the correct device. Description Allows a user to write o...
Three descriptions of data transmission are given below. Tick (✔) the appropriate box in each table to show the: • type of transmission • method o...