Free Computer MCQs Mock Test Online with Answers

Q1 : What is the syntax for selecting an element in CSS?

A: What is the syntax for selecting an element in CSS? B: element: property { value; } C: property: value { element; } D: value: property { element; }

Q2 : What is Object Detection?

A: A type of Deep Learning application that involves detecting objects in images B: A type of Deep Learning application that involves predicting continuous outcomes C: A type of Deep Learning application that involves clustering data D: A type of Deep Learning application that involves decision-making

Q3 : What is a robotic testing system?

A: A system that allows a robot to test and evaluate its own performance B: A system that allows a robot to interact with humans C: A system that allows a robot to perform tasks that require precision D: system that allows a robot to move objects

Q4 : What is a robotic operating system (ROS) node?

A: process that performs a specific task in a ROS-based robotic system B: A system that allows a robot to interact with humans C: A system that allows a robot to perform tasks that require precision D: None of these

Q5 : What is regularization?

A: A technique used to prevent overfitting by adding a penalty term to the loss function B: A technique used to prevent underfitting by adding a penalty term to the loss function C: A technique used to improve model performance by adding a penalty term to the loss function D: A technique used to reduce model complexity by adding a penalty term to the loss function

Q6 : What is debugging?

A: The process of finding and fixing errors in software B: The process of designing software C: The process of implementing software D: The process of deploying software

Q7 : What is Speech Recognition?

A: A type of Deep Learning application that involves recognizing spoken words B: A type of Deep Learning application that involves classifying images into different categories C: A type of Deep Learning application that involves segmenting images into different regions D: A type of Deep Learning application that involves generating new images

Q8 : What is the purpose of the @NgModule decorator in Angular?

A: To define a module in Angular B: To define a component in Angular C: To define a service in Angular D: To define a directive in Angular

Q9 : What is async/await in JavaScript?

A: A syntax sugar for promises B: A function that loops through an array C: A function that declares a variable D: A function that returns a value

Q10 : What is Customer Segmentation?

A: A type of Machine Learning application that involves segmenting customers based on behavior B: A type of Machine Learning application that involves predicting customer behavior C: A type of Machine Learning application that involves recommending products D: A type of Machine Learning application that involves predicting stock prices

Q11 : What is Overfitting?

A: A type of Deep Learning challenge that occurs when a model is too complex B: A type of Deep Learning challenge that occurs when a model is too simple C: A type of Deep Learning challenge that occurs when a model is trained on too little data D: A type of Deep Learning challenge that occurs when a model is trained on too much data

Q12 : What is dialogue systems?

A: A system that engages in conversation with a human B: A system that removes stop words from text C: A system that parses sentence structure D: A system that tokenizes text

Q13 : What is Computer Vision?

A: A subfield of AI that deals with enabling computers to interpret and understand visual data B: A subfield of AI that deals with NLP C: A subfield of AI that deals with robotics D: A subfield of AI that deals with expert systems

Q14 : What is testing?

A: The process of verifying that a software application works as expected B: The process of debugging a software application C: The process of deploying a software application D: The process of monitoring a software application

Q15 : What is a GRE?

A: A tunneling protocol that encapsulates network traffic B: A protocol that encrypts data transmitted over a network C: A protocol that verifies the identity of a user or device D: A protocol that configures network settings

Q16 : What is the purpose of the console.log() function?

A: To print output to the console B: To declare a variable C: To create a function D: T To loop through an array

Q17 : What is a Vue instance?

A: The root object of a Vue application B: A type of JavaScript library C: A type of CSS framework D: A type of HTML framework

Q18 : What is a White Hat Hacker?

A: An ethical hacker who identifies and fixes vulnerabilities in a computer system or network B: A malicious hacker who exploits vulnerabilities in a computer system or network C: A hacker who creates malware to harm a computer system or network D: A hacker who ignores vulnerabilities in a computer system or network

Q19 : What is text classification?

A: The process of assigning a category or label to text B: The process of removing stop words from text C: The process of parsing sentence structure D: The process of tokenizing text

Q20 : What is NLP?

A: A subfield of AI that deals with the interaction between computers and humans in natural language B: A subfield of AI that deals with computer vision C: A subfield of AI that deals with robotics D: A subfield of AI that deals with expert systems

Q21 : What is the main difference between React and Angular?

A: React is a library, while Angular is a framework B: React is a framework, while Angular is a library C: React is used for building web applications, while Angular is used for building mobile applications D: React is used for building mobile applications, while Angular is used for building web applications

Q22 : What is a MySQL?

A: A relational database B: A NoSQL database C: A graph database D: A time-series database

Q23 : What is Angular?

A: A JavaScript framework for building web applications B: A JavaScript library for building user interfaces C: A CSS framework for styling web pages D: A HTML framework for structuring content

Q24 : What is a CI/CD pipeline?

A: A process for continuous integration and continuous deployment B: A process for continuous testing and continuous deployment C: A process for continuous integration and continuous testing D: A process for continuous deployment and continuous monitoring

Q25 : What are the primitive data types in JavaScript?

A: Number, String, Boolean, Null, Undefined B: Number, String, Boolean, Array, Object C: Number, String, Boolean, Null, Object D: Number, String, Boolean, Array, Null

Q26 : What is a EAP?

A: A protocol that provides authentication for wireless networks B: A protocol that encrypts data transmitted over a wireless network C: A protocol that verifies the identity of a user or device D: A protocol that configures network settings

Q27 : What is TensorFlow?

A: A popular open-source Deep Learning library B: A type of Deep Learning algorithm C: A type of Deep Learning model D: A type of Deep Learning application

Q28 : What is machine translation?

A: The process of translating text from one language to another B: The process of removing stop words from text C: The process of parsing sentence structure D: The process of tokenizing text

Q29 : What is the purpose of the return statement?

A: To return a value from a function B: To declare a variable C: To create a function D: To loop through an array

Q30 : What is a Cross-Site Request Forgery (CSRF) Attack?

A: An attack that tricks a user into performing an unintended action on a website B: An attack that steals sensitive information from a website C: An attack that encrypts data on a website D: An attack that crashes a website

Q31 : What is the map() method used for?

A: To create a new array with the results of a function applied to each element B: To loop through an array and execute a function for each element C: To add an element to the end of an array D: To remove an element from the end of an array

Q32 : What is coreference resolution?

A: The process of identifying the words or phrases that refer to the same entity in text B: The process of removing stop words from text C: The process of parsing sentence structure D: The process of tokenizing text

Q33 : What is a service mesh?

A: A layer that provides services for microservices B: A layer that provides services for monolithic applications C: A layer that provides services for databases D: A layer that provides services for file systems

Q34 : What is a Digital Signature?

A: A cryptographic technique that verifies the authenticity and integrity of a message B: A cryptographic technique that encrypts a message C: A cryptographic technique that decrypts a message D: A cryptographic technique that compresses a message

Q35 : What is a switch statement used for?

A: To execute a block of code based on a value B: To loop through an array C: To declare a variable D: To create a function

Q36 : Who developed JavaScript?

A: Brendan Eich B: Tim Berners-Lee C: Marc Andreessen D: Larry Page

Q37 : What is an array in JavaScript?

A: A collection of elements of the same data type B: A collection of elements of different data types C: A single value D: A function

Q38 : What is grey box testing?

A: Testing software with partial knowledge of internal workings B: Testing software without knowledge of internal workings C: Testing software with knowledge of internal workings D: Testing software with complete knowledge of internal workings

Q39 : What is Angular?

A: A JavaScript framework for building web applications B: A type of web browser C: A type of web server D: A type of programming language

Q40 : What is the main advantage of using Vue.js?

A: It is easy to learn B: It is a powerful framework C: It is a lightweight library D: It is widely used

Q41 : What is the file extension for JavaScript files?

A: .js B: .html C: .css D: .java

Q42 : what is a robotic vision system?

A: A system that allows a robot to perceive and understand its environment through vision B: A system that allows a robot to interact with humans C: A system that allows a robot to perform tasks that require precision D: A system that allows a robot to move objects

Q43 : What is the purpose of the border property in CSS?

A: To set the border of an element B: To set the padding of an element C: To set the margin of an element D: To set the background color of an element

Q44 : What is a Cycle Time?

A: The time it takes for a feature to go from development to deployment B: The time it takes for a feature to go from request to delivery C: The time it takes for a feature to go from testing to deployment D: The number of features deployed per unit of time

Q45 : What is RSA?

A: An asymmetric key encryption algorithm that uses a public key for encryption and a private key for decryption B: A symmetric key encryption algorithm that uses a public key for encryption and a private key for decryption C: An asymmetric key encryption algorithm that uses a private key for encryption and a public key for decryption D: A symmetric key encryption algorithm that uses a private key for encryption and a public key for decryption

Q46 : What is the purpose of using a testing framework in frontend development?

A: To write and run tests for code B: To optimize code performance C: To debug code D: To build code

Q47 : What is the reduce() method used for?

A: To apply a function to each element in an array and reduce it to a single value B: To loop through an array and execute a function for each element C: To add an element to the end of an array D: To remove an element from the end of an array

Q48 : What is a Hash Function?

A: A one-way function that takes input data of any size and produces a fixed-size output B: A two-way function that takes input data of any size and produces a fixed-size output C: A one-way function that takes input data of a fixed size and produces a variable-size output D: A two-way function that takes input data of a fixed size and produces a variable-size output

Q49 : What is debugging?

A: The process of identifying and fixing errors in a software application B: The process of testing a software application C: The process of deploying a software application D: The process of monitoring a software application

Q50 : What is a Smurf Attack?

A: An attack that floods a network with ICMP echo requests B: An attack that steals sensitive information C: An attack that encrypts files and demands a ransom D: An attack that crashes a computer system or network

Q51 : What is overfitting?

A: When a model is too complex and performs well on training data but poorly on new data B: When a model is too simple and performs poorly on training data C: When a model is too complex and performs poorly on training data D: When a model is too simple and performs well on training data

Q52 : What is the purpose of Cyber Law?

A: To protect individuals and organizations from cyber crimes B: To promote the use of technology C: To regulate the use of social media D: To censor online content

Q53 : What is a Lean Software Development?

A: A methodology that focuses on eliminating waste and maximizing value B: A methodology that focuses on delivering working software in short cycles C: A methodology that focuses on prioritizing the product backlog D: A methodology that focuses on estimating the effort required

Q54 : What is the difference between padding and margin?

A: padding is used to add space inside an element, while margin is used to add space outside an element B: padding is used to add space outside an element, while margin is used to add space inside an element C: padding is used to add style to an element, while margin is used to add structure D: padding is used to add structure to an element, while margin is used to add style

Q55 : What is the punishment for cyber stalking in Pakistan?

A: Up to 3 years imprisonment and a fine of up to Rs. 1 million B: Up to 5 years imprisonment and a fine of up to Rs. 5 million C: Up to 7 years imprisonment and a fine of up to Rs. 10 million D: Up to 10 years imprisonment and a fine of up to Rs. 50 million

Q56 : What is the Payment Card Industry Data Security Standard (PCI-DSS)?

A: A standard that regulates payment card security in Pakistan B: A standard that regulates social media in Pakistan C: A standard that regulates online shopping in Pakistan D: A standard that regulates email in Pakistan

Q57 : What is word embedding?

A: A technique for representing words as vectors in a high-dimensional space B: A technique for removing stop words from text C: A technique for parsing sentence structure D: A technique for tokenizing text

Q58 : What is a Zero-Knowledge Proof?

A: A cryptographic technique that proves the validity of a statement without revealing any underlying information B: A cryptographic technique that encrypts a message C: A cryptographic technique that decrypts a message D: A cryptographic technique that compresses a message

Q59 : What is a Switch?

A: A network device that connects multiple devices within a network B: A network device that connects multiple networks together C: A network device that provides wireless connectivity D: A network device that improves network performance

Q60 : What is a PostgreSQL?

A: A relational database B: A NoSQL database C: A graph database D: A time-series database

Q61 : What is a robotic maintenance system?

A: A system that allows a robot to perform maintenance tasks on itself or other robots B: A system that allows a robot to interact with humans C: A system that allows a robot to perform tasks that require precision D: A system that allows a robot to move objects

Q62 : What is information extraction?

A: The process of extracting specific information from text B: The process of removing stop words from text C: The process of parsing sentence structure D: The process of tokenizing text

Q63 : What is unit testing?

A: Testing individual units of software B: Testing integrated software C: Testing software in a production environment D: Testing software in a development environment

Q64 : What is the purpose of the mounted() lifecycle hook in Vue?

A: To initialize a Vue component B: To destroy a Vue component C: To update a Vue component D: To render a Vue component

Q65 : What is code review?

A: The process of reviewing code for errors and improvements B: A type of web browser C: A type of web server D: A type of programming language

Q66 : What is a Perceptron?

A: A type of neural network that is used for binary classification B: A type of neural network that is used for multi-class classification C: A type of neural network that is used for regression D: A type of neural network that is used for clustering

Q67 : What is a NetFlow?

A: A protocol that provides network traffic analysis and monitoring B: A protocol that encrypts data transmitted over a network C: A protocol that verifies the identity of a user or device D: A protocol that configures network settings

Q68 : What is precision?

A: A metric used to evaluate the performance of a classification model B: A metric used to evaluate the performance of a regression model C: A type of neural network architecture D: A type of decision tree algorithm

Q69 : What is Continuous Deployment?

A: A practice where software is deployed to production frequently B: A practice where software is deployed to production infrequently C: A practice where software is deployed to a testing environment D: A practice where software is deployed to a development environment

Q70 : What is a GDPR?

A: A regulation that protects the personal data of EU citizens B: A regulation that protects the personal data of US citizens C: A regulation that protects the personal data of Asian citizens D: A regulation that protects the personal data of African citizens

Q71 : What is a robotic speech recognition system?

A: A system that allows a robot to recognize and understand spoken language B: A system that allows a robot to interact with humans C: A system that allows a robot to perform tasks that require precision D: A system that allows a robot to move objects

Q72 : What is a convolutional neural network (CNN)?

A: A type of neural network designed for image processing tasks B: A type of neural network designed for NLP tasks C: A type of neural network designed for speech recognition tasks D: A type of neural network designed for time series forecasting tasks

Q73 : What is a Certified Information Systems Security Professional (CISSP)?

A: A certification that demonstrates expertise in information security B: A certification that demonstrates expertise in network security C: A certification that demonstrates expertise in software development D: A certification that demonstrates expertise in IT administration

Q74 : What is a testing framework?

A: A tool used for writing and running tests for web pages B: A type of web browser C: A type of web server D: A type of programming language

Q75 : What is dependency parsing?

A: The process of analyzing the grammatical structure of a sentence B: The process of removing stop words from text C: The process of tokenizing text D: The process of stemming or lemmatizing words

Q76 : What is long short-term memory (LSTM)?

A: A type of RNN architecture designed to handle long-term dependencies in sequential data B: A type of CNN architecture designed for image processing tasks C: A type of decision tree model D: A type of clustering model

Q77 : What is exploratory testing?

A: Testing software without a preconceived plan B: Testing software with a preconceived plan C: Testing individual units of software D: Testing integrated software

Q78 : What is a Sprint Planning Meeting?

A: A meeting to plan the development work for the upcoming sprint B: A meeting to review the development work for the previous sprint C: A meeting to retrospectively review the development work for the previous sprint D: A meeting to discuss the progress and obstacles of the development work

Q79 : What is OpenCV?

A: A popular open-source Computer Vision library B: A type of Supervised Learning algorithm C: A type of Unsupervised Learning algorithm D: A type of Reinforcement Learning algorithm

Q80 : What is Image Segmentation?

A: A type of Deep Learning application that involves segmenting images into different regions B: A type of Deep Learning application that involves classifying images into different categories C: A type of Deep Learning application that involves detecting objects in images D: A type of Deep Learning application that involves generating new images

Q81 : What is React?

A: A JavaScript library for building user interfaces B: A JavaScript framework for building web applications C: A CSS framework for styling web pages D: A HTML framework for structuring content

Q82 : What is a language model?

A: A statistical model that predicts the next word in a sequence of words B: A statistical model that predicts the sentiment of text C: A statistical model that predicts the topic of text D: A statistical model that predicts the grammatical structure of text

Q83 : What is a Keylogger?

A: A type of malware that records keystrokes B: A type of malware that steals sensitive information C: A type of malware that encrypts files and demands a ransom D: A type of malware that crashes a computer system or network

Q84 : What is a Vulnerability Assessment?

A: A process to identify and classify vulnerabilities in a computer system or network B: A process to exploit vulnerabilities in a computer system or network C: A process to fix vulnerabilities in a computer system or network D: A process to ignore vulnerabilities in a computer system or network

Q85 : What is the Prevention of Electronic Crimes Act (PECA) 2016?

A: A law that regulates cyber crimes in Pakistan B: A law that regulates social media in Pakistan C: A law that regulates online shopping in Pakistan D: A law that regulates email in Pakistan

Q86 : What is a sFlow?

A: A protocol that provides network traffic analysis and monitoring B: A protocol that encrypts data transmitted over a network C: A protocol that verifies the identity of a user or device D: A protocol that configures network settings

Q87 : What is the purpose of the @Component decorator in Angular?

A: To define a component in Angular B: To define a module in Angular C: To define a service in Angular D: None of these

Q88 : What is responsive web design?

A: A design approach that ensures web pages adapt to different screen sizes B: A type of web browser C: A type of web server D: A type of programming language

Q89 : What is Symmetric Key Cryptography?

A: A type of cryptography that uses the same key for encryption and decryption B: A type of cryptography that uses different keys for encryption and decryption C: A type of cryptography that uses public keys for encryption and private keys for decryption D: A type of cryptography that uses private keys for encryption and public keys for decryption

Q90 : What is a DNS Spoofing?

A: An attack that manipulates DNS records to redirect users to a fake website B: An attack that steals sensitive information C: An attack that encrypts files and demands a ransom D: An attack that crashes a computer system or network

Q91 : What is Artificial Intelligence (AI)?

A: The development of computer systems that can perform tasks that typically require human intelligence B: The development of computer systems that can only perform tasks that are explicitly programmed C: The development of computer systems that can think and act like humans D: The development of computer systems that can only process data

Q92 : What is Scikit-learn?

A: A popular open-source Machine Learning library B: A type of Supervised Learning algorithm C: A type of Unsupervised Learning algorithm D: A type of Reinforcement Learning algorithm

Q93 : What is the punishment for a cyber contravention in Pakistan?

A: A fine of up to Rs. 50,000 B: A fine of up to Rs. 100,000 C: A fine of up to Rs. 500,000 D: A fine of up to Rs. 1 million

Q94 : What is gradient descent?

A: An optimization algorithm used to minimize the loss function in ML models B: An optimization algorithm used to maximize the loss function in ML models C: A type of neural network architecture D: A type of decision tree model

Q95 : What is Express.js?

A: A Node.js framework for building web applications B: A type of web browser C: A type of web server D: A type of programming language

Q96 : What is Explainability?

A: A type of Deep Learning challenge that occurs when a model is difficult to explain B: A type of Deep Learning challenge that occurs when a model is too complex C: A type of Deep Learning challenge that occurs when a model is too simple D: A type of Deep Learning challenge that occurs when a model is too accurate

Q97 : What is stemming?

A: The process of reducing words to their base form B: The process of removing stop words from text C: The process of parsing sentence structure D: The process of tokenizing text

Q98 : What is Object Detection?

A: A type of Machine Learning application that involves detecting objects in images B: A type of Machine Learning application that involves predicting continuous outcomes C: A type of Machine Learning application that involves clustering data D: A type of Machine Learning application that involves decision-making

Q99 : What is Object Detection?

A: A type of Deep Learning application that involves detecting objects in images B: A type of Deep Learning application that involves classifying images into different categories C: A type of Deep Learning application that involves segmenting images into different regions D: A type of Deep Learning application that involves generating new images

Q100 : What is Underfitting?

A: A type of Deep Learning challenge that occurs when a model is too simple B: A type of Deep Learning challenge that occurs when a model is too complex C: A type of Deep Learning challenge that occurs when a model is trained on too little data D: A type of Deep Learning challenge that occurs when a model is trained on too much data

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