KwickClips 30-to-60-second revision clips

1344 short clips, one idea each

Every clip answers one exam question in under a minute: the question on top, the answer in writing, the table from the video, and a link to the full lesson it came from. Free, no sign-up.

Course Topics 252 clips

Definition card: multi means many, media means ways to share, two or more media together.

What does multi mean?40 sec

Table of image, audio, video and animation with an example each.

Is a cartoon a video?42 sec

Card listing what a word processor does and three examples.

Name a free word processor.41 sec

Two shortcuts: Ctrl+N for new document, Ctrl+S to save.

Which shortcut saves a document?40 sec

Two-row table: editing changes words, formatting changes looks.

Is fixing a spelling editing or formatting?38 sec

Table of formatting shortcuts for bold, italic, underline and centre.

Which shortcut centres a line?44 sec

Slide showing dotted placeholder boxes for title and subtitle.

What does a placeholder look like?40 sec

Table showing where to find background, watermark and slide number options.

Where do you put a watermark?39 sec

All 252 Course Topics clips

Python 204 clips

Python operator examples showing 2 ** 3 ** 2 as 512, floor division and the remainder.

What is 2 ** 3 ** 2?43 sec

A while loop reversing 1234 into 4321 using % 10 and // 10.

How do you get the last digit of a number?40 sec

A table of str, tuple, list and dict with their brackets and whether each is mutable.

Which two collections are mutable?45 sec

Two lists, one after append with a nested list and one after extend with separate items.

What does append do with a list argument?39 sec

A three-row quiz table with answers 6, 'WI' and TypeError.

What is 7 // 2 * 2?44 sec

Three points: readable almost like English, libraries of ready-made code, used widely in AI and data.

Why is Python easy for beginners?40 sec

Setup steps: download from python.org, say yes to PATH, pip install notebook.

Does IDLE need a separate install?42 sec

Table comparing interactive mode (one line, not saved) and script mode (whole file, .py).

Why did my Shell code vanish?39 sec

All 204 Python clips

Artificial Intelligence 197 clips

Table comparing human and machine: learns from experience vs data, senses with eyes vs camera, feelings yes vs no.

What does a machine learn from?41 sec

Timeline: 1980s rule systems, 1997 Deep Blue wins, 2012 deep learning.

Who wrote the logic in old AI?44 sec

Table of three types of AI: narrow exists, general not yet, super only an idea.

Which type of AI exists today?44 sec

Examples of AI around you: maps, video apps and voice assistants.

How does AI pick your next video?43 sec

Three nested circles: AI outside, machine learning in the middle, deep learning inside.

Are AI and machine learning the same?42 sec

Table of umbrella sales: May 20, June 180, July 250.

What kind of data does Data Science use?42 sec

Steps of face unlock: image as pixels, learning face shapes, matching the saved face.

What is a digital image made of?40 sec

Three steps of a voice assistant: speech to text, meaning understood, reply spoken.

What does NLP stand for?41 sec

All 197 Artificial Intelligence clips

Java 196 clips

Table comparing 7 / 2, 7 / 2.0 and 7 % 2 with their printed results.

Why does 7 / 2 print 3?43 sec

Java class Box showing a constructor Box(int v) beside a method int area().

Is a constructor a method?41 sec

Table comparing array length and m[0] with String length() and charAt(0).

Which one needs brackets?40 sec

Reel listing the four Class 11 Java topics most reused in Class 12 papers.

Which Class 11 topics return in Class 12?45 sec

Reel listing where Java runs: Android apps, servers, websites and school labs.

Is Java still used?43 sec

Reel showing source code compiled by javac into bytecode, then run by the JVM.

What does javac produce?39 sec

Reel showing JDK containing JRE containing JVM with each one's job.

Which contains which?47 sec

Reel listing the four BlueJ steps to compile and run a Hello class.

What are the BlueJ steps?40 sec

All 196 Java clips

Computer Systems 121 clips

Flow of input, process, output and storage using a report card example.

What is the first step?42 sec

Table: speed very fast, accuracy no own errors, storage huge data, diligence never tired.

What does diligence mean here?41 sec

Table of computer uses: home UPI, school smart boards, work bank accounts, hospital scans.

Name one school use.40 sec

Table of computer types: micro laptop, mainframe bank servers, super weather PARAM, embedded microwave.

Is your phone a computer?44 sec

Timeline: abacus ancient, Pascaline 1642, Jacquard loom 1804, Analytical Engine 1837.

Which machine used punched cards first?40 sec

Table of five generations with vacuum tubes, transistors, integrated circuits, microprocessors and AI.

What did the second generation use?44 sec

Doubling table: now 1,000, +2 years 2,000, +4 years 4,000.

How often do transistors double?40 sec

Slide: AI in everyday apps, quantum computers, cloud power, smaller chips.

What is cloud computing?40 sec

All 121 Computer Systems clips

Databases and SQL 71 clips

Marks shown as data and their average shown as information.

Are marks data or information?39 sec

Three files storing the same student city, two of them out of date.

What is inconsistency?40 sec

List of DBMS jobs: store once, control access, many users, backup.

What does DBMS stand for?45 sec

Two real databases: school records and railway reservations.

Where does your school store marks?39 sec

Table with relation, tuple and attribute labelled.

What is another word for a row?43 sec

Marks column with valid value 87 and invalid values 150 and -4.

What is the domain of marks out of 100?40 sec

Table with columns counted as degree and rows counted as cardinality.

A table has 3 columns and 4 rows. What is the cardinality?44 sec

Three data models drawn as a tree, a web and a table.

Which model allows many parents?42 sec

All 71 Databases and SQL clips

Employability Skills 65 clips

Reel showing the communication cycle: sender, channel, receiver, feedback.

What completes the cycle?43 sec

Reel listing self-management habits for Class 9 students.

Who is your own manager?42 sec

Reel comparing click, double-click and right-click mouse actions.

What does a double-click do?42 sec

Reel comparing product, service and hybrid businesses.

Is a tea seller an entrepreneur?41 sec

Reel on green skills and examples of green jobs.

What are green skills?45 sec

Reel explaining the three words behind ICT.

What does the C in ICT mean?41 sec

Reel listing the seven Cs of communication.

'Party on Sunday' misses which C?45 sec

Reel explaining the five letters of a SMART goal.

Is 'study hard' a goal?43 sec

All 65 Employability Skills clips

Networks and the Internet 62 clips

Three uses of a network: share files, share one printer, chat and video call.

What is a computer network?42 sec

An Internet timeline table: 1969 ARPANET, 1986 NSFNET, 1995 India online.

What was ARPANET?43 sec

A two-column table pairing network gains with matching risks.

Is a network always good?41 sec

A table comparing client server and peer to peer on server, security and example.

What is the difference between a client and a server?43 sec

A list of the five data communication components with a phone-to-phone photo example.

What are the five components?43 sec

A table comparing bandwidth as capacity with data transfer rate as actual speed.

Is bandwidth the same as speed?39 sec

A table of simplex, half duplex and full duplex modes with keyboard, walkie-talkie and phone call examples.

Is a walkie-talkie full duplex?42 sec

A table comparing serial and parallel transmission on bits at a time, distance and cost.

Which transmission suits long distances?41 sec

All 62 Networks and the Internet clips

Cyber Safety and Ethics 60 clips

Table comparing C and C++: year, classes, output printf vs cout.

Who made C++?40 sec

C++ code: #include <iostream>, using namespace std, int main() with cout << "Hi".

Which line runs first?41 sec

C++ code std::cout << "Runs " << 48; output Runs 48.

What does std:: mean?41 sec

Flow: save file, compile with g++, fix errors, run.

What does g++ do?41 sec

Table: int 45 4 bytes, double 3.5 8 bytes, char A 1 byte, bool true 1 byte.

Which type stores 3.5?41 sec

C++ code int runs = 48; const int SIX = 6; cout runs + SIX, output 54.

Can a const change later?40 sec

C++ code std::cout << 2 + 3 * 4; output 14.

What is (2 + 3) * 4?43 sec

C++ code std::cout << (double) 7 / 2; output 3.5.

What is implicit conversion?40 sec

All 60 Cyber Safety and Ethics clips

Computer Science 53 clips

List of things that leave a trace online: posts, searches, orders, payments, location.

Is a deleted post really gone?41 sec

Two columns comparing active footprints you post and passive footprints collected quietly.

Which type is a review you write?40 sec

List showing how projects help and rude posts harm in admissions and jobs.

Do employers really search names online?40 sec

Four steps to reduce a digital footprint, listed on screen.

Why delete unused accounts?42 sec

List of good digital citizen habits: safe, responsible, kind.

What does a digital citizen do before forwarding?38 sec

Email etiquette rules listed: subject, greeting, no all caps, no late messages.

What does ALL CAPS look like online?39 sec

Social media etiquette rules on screen: pause, ask, verify, report.

Why not post in anger?39 sec

Four rules for respecting others online, listed on screen.

Can you share a friend's chat screenshot?39 sec

All 53 Computer Science clips

C 35 clips

Table: OS Linux, devices washer chip, compilers Python, all using C.

Why is C still used?42 sec $C code: #include <stdio.h>, int main() with printf("Hi\n") and return 0, output Hi.$ Where does a C program start running?41 sec

Table of steps and files: edit hello.c, compile hello.o, link hello.exe, run output.

Which file does compiling make?44 sec

Terminal: gcc hello.c -o hello, then ./hello prints Hello.

What does gcc do?43 sec

Table: marks2 yes, 2marks no (digit), roll no no (space), int no (keyword).

Is roll no a valid name?43 sec

Table of C types and sizes: char 1, int 4 (old: 2), float 4, double 8.

Why do some books say int is 2 bytes?44 sec

C code with #define PASS 33, int r = 45 and printf of r - PASS giving 12.

What must come before using a variable in C?41 sec

C code const int SEATS = 72; then SEATS = 80; with a read-only error comment.

What happens if you assign to a const?40 sec

All 35 C clips

C++ 28 clips

C code int m[3] = {72, 85, 64}; printf m[0], output 72.

What is the first index?43 sec

C code summing array {40, 35, 25} with a for loop, output 100.

Where does i start?40 sec

Grid of a 2D array: row 0 holds 1 and 2, row 1 holds 4 and 5.

Which comes first, row or column?43 sec

Slide: parameter int a[], pass the size separately, changes reach the original.

Is the array copied?41 sec $Table: indexes 0 to 3 hold R, i, y, a; index 4 holds \0.$ What marks the end of a C string?41 sec

Table: scanf %s reads one word, fgets reads full line.

Why did only Riya print?44 sec

Table: strlen length, strcpy copy, strcat join, strcmp compare.

Which header do they need?46 sec

C code while (s[n]) n++; for "Surat", output 5.

Why does while (s[n]) stop?42 sec

All 28 C++ clips

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