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Worksheets

Computer Science Concepts

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

integrated development environment (IDE)

a)

A software application that provides a developer with a way to create a program, run the program, and debug the program all within one application.

b)

A tool used for designing user interfaces without coding.

c)

A programming language used for web development.

d)

A database management system for storing application data.

2.

Kirchhoff’s current law (KCL)

a)

The law stating that the total voltage around a closed loop in a circuit must equal zero.

b)

The law stating that the algebraic sum of all currents into and out of any branch point in a circuit must equal 0.

c)

The law stating that the power supplied to a circuit must equal the power consumed by the circuit.

d)

The law stating that the current flowing through a conductor is directly proportional to the voltage across it.

3.

generative AI

a)

A type of artificial intelligence that learns patterns from existing data to generate new and original content, including text, images, music, and code.

b)

A technology that focuses solely on data analysis without generating new content.

c)

An AI system that only replicates existing data without any learning capabilities.

d)

A type of AI that can only generate images but not text or music.

4.

magnetic stripe

a)

A strip made of tiny iron-based components whose magnetism can be modified to store information.

b)

A type of barcode used for tracking inventory.

c)

A flexible plastic strip used for credit cards without any magnetic properties.

d)

A strip that emits light when exposed to electricity.

5.

Light-emitting diode (LED)

a)

An electronic device that conducts current.

b)

A type of resistor used in circuits.

c)

A device that stores electrical energy.

d)

A semiconductor that emits light when current flows through it.

6.

Duty cycle (DC)

a)

The fraction of the total period in which a digital waveform is in the LOW state.

b)

The fraction of the total period in which a digital waveform is in the HIGH state.

c)

The ratio of the time a signal is LOW to the total period.

d)

The total time a signal is HIGH divided by the time it is LOW.

7.

integrated circuit (IC)

a)

A type of electronic circuit that contains multiple components in a single package.

b)

A circuit that only contains resistors and capacitors.

c)

A simple circuit used for basic electronic functions.

d)

A circuit that operates without any electronic components.

8.

Joule

a)

A unit of energy (J) in the International System of Units (SI).

b)

A type of electrical current measurement.

c)

A measure of temperature in the Kelvin scale.

d)

A unit of force in the metric system.

9.

logic circuit

a)

A circuit that operates based on a set of logic rules.

b)

A circuit that only conducts electricity.

c)

A circuit that amplifies signals.

d)

A circuit that stores data.

10.

Dual in-line package (DIP)

a)

A type of integrated circuit (IC) package with two parallel rows of pins intended for insertion into a socket of holes in a printed circuit board.

b)

A single row of pins used for surface mounting on a circuit board.

c)

A package designed for high-frequency applications with a circular layout.

d)

A type of IC package that is only used in mobile devices.

11.

Flip-flop

a)

A type of combinational circuit that performs arithmetic operations.

b)

A sequential circuit based on a latch whose output changes when its CLOCK changes.

c)

A memory device that stores data permanently.

d)

A circuit that generates a continuous waveform.

12.

Exclusive-OR (XOR) circuit

a)

A circuit that produces a high output only when both inputs are high.

b)

A two-input logic circuit that produces a high output only when the inputs are different.

c)

A circuit that outputs high when at least one input is high.

d)

A circuit that produces a low output when the inputs are the same.

13.

method

a)

A collection of code that operates on some data.

b)

A type of data structure used to store information.

c)

A programming language used for web development.

d)

A debugging tool for identifying errors in code.

14.

function

a)

A named piece of code that can be used from elsewhere in the code.

b)

A type of variable that holds data.

c)

A method for creating user interfaces.

d)

A way to store data in a database.

15.

frequency

a)

The number of cycles per time unit of a periodic waveform.

b)

The amplitude of a wave measured in decibels.

c)

The speed at which a wave travels through a medium.

d)

The distance between two consecutive peaks of a wave.

16.

Conventional current

a)

The flow of current from negative to positive potential.

b)

The direction of current flow associated with positive charge in motion.

c)

The flow of electrons in a circuit.

d)

The direction of current flow is from negative to neutral potential.

17.

Complex PLD (CPLD)

a)

Abbreviation for complex programmable logic device, which is a digital device consisting of several programmable sections with internal connections between the sections.

b)

A type of microcontroller used for simple tasks.

c)

A high-level programming language used for software development.

d)

A hardware component used for data storage.

18.

Conditional transition

a)

A transition that occurs at random intervals.

b)

A transition between states of a state machine that occurs only under specific conditions of one or more control inputs.

c)

A transition that is always triggered by a timer.

d)

A transition that happens when the system is idle.

19.

central processing unit

a)

The main component of a computer that executes instructions and performs calculations.

b)

A type of software that manages computer hardware and software resources.

c)

The physical device that stores data permanently in a computer.

d)

The part of a computer that connects all other components and peripherals.

20.

datasheet

a)

A printed specification giving details of pin configuration, electrical properties, and the mechanical profile of an electronic device

b)

A document outlining the warranty and service terms for an electronic device

c)

A user manual providing instructions on how to operate an electronic device

d)

A marketing brochure highlighting the features and benefits of an electronic device