Tech Interview Questions And Answers

Tech Interview Questions list for experienced

  1. Name tools used by Facebook.
  2. What are the three types of Software availble?
  3. What are the largest programs ever written by lines of code?
  4. Why is Python so awesome?
  5. List the companies and brands owned by Facebook?
  6. How to start Hacking?
  7. What is the career in Cyber Security?
  8. Name some components of SIM.
  9. What is Li-Fi?
  10. Enlist some secret codes for android.
  11. What are some best OS for Hacking?
  12. What is Dark web?
  13. Define: Cryptocurrency Blockchain Private keys Exchanges
  14. Name some Wifi hacking tools in Kali Linux.
  15. What is Botnets?
  16. What is Payload?
  17. Using which languages these are made? Facebook, Youtube, Google, Yahoo, Twitter
  18. What is Cyber Security?
  19. What are applications of Cyber security?
  20. What are application of Data Science and Analytics?
  21. List application of AR & VR.
  22. List various components of Hard Disk.
  23. What are the main fields where you can use Python?
  24. Who was the first computer programmer?
  25. Name different types of Database.
  26. What are the alternatives to photoshop?
  27. Name some popular IDE's for App Development.
  28. How to build website without writing code?
  29. Enlist all the memory measurement units.
  30. What are the most used web browser?
  31. List some key difference between 32 bits and 64 bits processor.
  32. Enlist some free cloud storage.
  33. What are some common use of Python?
  34. What are some uses of Java?
  35. What are some common use of C++?
  36. What are some common use of Javascript?
  37. What are some common use of Swift?
  38. What are the key difference between 4g and 5g?
  39. Why Full Stack developers are Needed?
  40. What are some must learn technologies of fullstack JavaScript development?
  41. What are the Key Differences between CPU and GPU?
  42. What are the key difference between i3 and i9 processor?
  43. What things you should check before buying a laptop?
  44. What is Satellite Internet?
  45. How WIFI was invented?
  46. What are the pre requisite of Programming laptop?
  47. List 11 types of RAM.
  48. Who is known as Coder?
  49. Who is Programmer or Developer?
  50. Who are Software engineers ? In short.
  51. List the name of the websites which are free to study python.
  52. List the companies which require knowledge not a degree.
  53. List 7 Online research resources.
  54. Top 10 sites for interview preparation.
  55. Name some major companies using JavaScript.
  56. List Best Freelancing websites
  57. What are Key Features of Visual Studio Code?
  58. What are the features of sublime Text?
  59. List key features of Atom Editor.
  60. What are the key features of Notepad++?
  61. What are key features of Brackets?
  62. Difference between DOS and Windows
  63. Difference between Wi-fi and Bluetooth.
  64. Name some app that collects our data.
  65. What are the different type of port plug?
  66. Brief on Youtube evolution.
  67. Name different types of servers.
  68. What are different companies owned by Meta?

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Top Tech interview questions and answers for freshers and experienced

What is Tech ?

Answer :

Questions : 1 :: Name tools used by Facebook.

...View answers

Questions : 2 :: What are the three types of Software availble?

Commercial: Costs Money (either a subscription or a one-time payment) Free: Proprietary (It is free but still owned by a centralized company) Open-Souce: Freedom (not only free but also...View answers

Questions : 3 :: What are the largest programs ever written by lines of code?


Human Genome Project(3300 million) Google(2000 million) Windows 10(50 million) Mac OS X (85 million) Fcaebook(62...View answers

Questions : 4 :: Why is Python so awesome?

General Purpose Flexible Community Machine Learning Simple Data...View answers

Questions : 5 :: List the companies and brands owned by Facebook?

Instagram - bought in 2012 Whatsapp- bought in 2014 Oculus VR- bought in 2014 Giphy- bought in 2020 Kustomer- bought in 2020 Face.com- bought in...View answers

Questions : 6 :: How to start Hacking?


Step 1: Learn Programming Step 2: Learn to use Linux Step 3: Learn actual Computer Science Step 4: Apply These Skills to...View answers

Questions : 7 :: What is the career in Cyber Security?

Jobs in cyber security are expected to reach 3.5 million by 2021. Job profiles: Security analyst Security Engineer Security Architect Security...View answers

Questions : 8 :: Name some components of SIM.

Vcc RESET Clock Optimal USB...View answers

Questions : 9 :: What is Li-Fi?


LIFI is hundred times faster than Wifi and uses light instead of radio frequencies

Questions : 10 :: Enlist some secret codes for android.

#31# "phone number" : Hides your number in all outgoing calls *#06#: Shows your IMEI...View answers

Questions : 11 :: What are some best OS for Hacking?

Kali Linux BackBox Parrot Sec Forensic OS Samurai Web Testing Framework DEFT...View answers

Questions : 12 :: What is Dark web?

The dark web consist of websites that uses public internet, but require specific software for access and is not indexed by search engines to ensure...View answers

Questions : 13 :: Define: Cryptocurrency Blockchain Private keys Exchanges

Cryptocurrency: Digital money that ois secured over the internet using cyrptography and mining. Blockchain: An immutable and hack proof ledger that records all transactions Private keys: Grants...View answers

Questions : 14 :: Name some Wifi hacking tools in Kali Linux.

...View answers

Questions : 15 :: What is Botnets?

A botnet is a number of internet-connected devices, each of which is running one or more bots.

Questions : 16 :: What is Payload?

A payload refers to the component of a computer virus that executes a malicious activity.

Questions : 17 :: Using which languages these are made? Facebook, Youtube, Google, Yahoo, Twitter

Facebook: Php Youtube: Flash, python, java Google: Java(web), c++(indexing) Yahoo: PHP & java Twitter: Ruby on Rails, scale,...View answers

Questions : 18 :: What is Cyber Security?

CyberSecurity is the protection of computer systems and networks from information disclosure, theft of, or damage to their hardware, software, or electronic data, as well as from the disruption or...View answers

Questions : 19 :: What are applications of Cyber security?

Defence of all electronic system from malicious attacks Public safety communication security Voting system security and many...View answers

Questions : 20 :: What are application of Data Science and Analytics?

Stock treding Risk management NLP Web Search Speech Recognition Computer...View answers

Questions : 21 :: List application of AR & VR.

Gaming Digital service Education Training Culture and...View answers

Questions : 22 :: List various components of Hard Disk.

spindle disk saved files acutator power port data cable port drive configuration port circuit port arm read/write...View answers

Questions : 23 :: What are the main fields where you can use Python?

Software development Web development Machine Learning Automation Robotics Data...View answers

Questions : 24 :: Who was the first computer programmer?

Ada Lovelace what she said was write the world's first Machine Algorithm for an early computing machine that existed only on...View answers

Questions : 25 :: Name different types of Database.

Distributed Database Cloud Database Personal Database Realtional Database Operational Database Centralized Database NoSQL Database Hierarchical...View answers

Questions : 26 :: What are the alternatives to photoshop?

GIMP PHOTOPEA KRITA PIXLR EDITOR PHOTO POS...View answers

Questions : 27 :: Name some popular IDE's for App Development.

Android studio vs...View answers

Questions : 28 :: How to build website without writing code?

...View answers

Questions : 29 :: Enlist all the memory measurement units.

1 bit: binary digit 8 bits: 1 byte 1024 byte: 1kb 1024 kb: 1mb 1024 mb: 1 gb 1024 gb: 1 tb 1024 tb: 1 pb 1024 pb: 1 eb 1024 eb: 1 zb 1024 zb: 1 yb 1024 yb: 1 bronto bytes 1 bronto bytes: 1...View answers

Questions : 30 :: What are the most used web browser?

...View answers

Questions : 31 :: List some key difference between 32 bits and 64 bits processor.

32 bits: Intoduced in 1990s 232 memory address More than 4 gb of RAM Worse Performance Less Data Handling Outdated Less Memory 64 bits: Intoduces in 2000s 264 memory address 18...View answers

Questions : 32 :: Enlist some free cloud storage.

Mega- 50gb free Drive- 15gb free Media Fire- 10gb free pCloud- 10gb free Ice Drive- 10gb free One Drive- 5gb free iCloud- 5gb free Sync.com- 5gb free Dropbox- 2gb...View answers

Questions : 33 :: What are some common use of Python?

Data Science ML Web...View answers

Questions : 34 :: What are some uses of Java?

Android Apps Server-side Apps Enterprise Apps Web Based...View answers

Questions : 35 :: What are some common use of C++?

Games GUI...View answers

Questions : 36 :: What are some common use of Javascript?

Server Apps Web dev Apps Mobile Apps Presentations Flying...View answers

Questions : 37 :: What are some common use of Swift?

IOS Apps Deep Learning IOT

Questions : 38 :: What are the key difference between 4g and 5g?

4G                                  VS                     ...View answers

Questions : 39 :: Why Full Stack developers are Needed?

Provide expert-level speciality in a handful of technologies Compatible with both front and back-end code writing Familiar with the latest and technologies Increasing demand for fullstack based...View answers

Questions : 40 :: What are some must learn technologies of fullstack JavaScript development?

HTML 5 CSS Bootstrap Node...View answers

Questions : 41 :: What are the Key Differences between CPU and GPU?

CPU                                                  GPU   4-8...View answers

Questions : 42 :: What are the key difference between i3 and i9 processor?

i3 processor                                          i9 processor   Browse...View answers

Questions : 43 :: What things you should check before buying a laptop?

Ram - 8 GB preferred Processor - i5 Latest...View answers

Questions : 44 :: What is Satellite Internet?

Satellite Internet is the process of accessing the Internet with the help of communication satellites, usually geostationary satellites.

Questions : 45 :: How WIFI was invented?

WiFi was developed from technology used to detect potential mini Blackholes. An Australian scientist by the name of John O'Sullivan was inspired by Stephen Hawking theory of evaporating black...View answers

Questions : 46 :: What are the pre requisite of Programming laptop?

RAM: 8GB SSD: 256GB Processor: i5 Graphics Card: Nil Vs...View answers

Questions : 47 :: List 11 types of RAM.

Module-Sim RAM SD Ram DDR1 DDR2 DDR3 DDR3 EDO RAM Sodium-SD RAM Sodium DDR1 Sodium DDR2 Sodium...View answers

Questions : 48 :: Who is known as Coder?

Anyone who can write some piece of code is known as Coder by people outside tech industry. Coders are basically considered as less experienced or fresher kind of person who has just started his/her...View answers

Questions : 49 :: Who is Programmer or Developer?

Developers and programmers are same. Theyu are the one who is majorly responsible for project completion.   They are experienced coders who know at least 2-3 language and can write cleaner...View answers

Questions : 50 :: Who are Software engineers ? In short.

These are the highest level of coders among coders and developers at engineer. They are well versed in 3 or more languages. They modularize the final product to develope the clean interface and then...View answers

Questions : 51 :: List the name of the websites which are free to study python.

...View answers

Questions : 52 :: List the companies which require knowledge not a degree.

...View answers

Questions : 53 :: List 7 Online research resources.

Wikipedia Library of congress Google...View answers

Questions : 54 :: Top 10 sites for interview preparation.

...View answers

Questions : 55 :: Name some major companies using JavaScript.

...View answers

Questions : 56 :: List Best Freelancing websites

...View answers

Questions : 57 :: What are Key Features of Visual Studio Code?

Cross platform Built-in Git and git commands Easy to use Debugging code right from the editor Easy to...View answers

Questions : 58 :: What are the features of sublime Text?

Supports split editing Switching from one project to another is like a dream High performance Enables multiple selections Keyboard shortcuts for file...View answers

Questions : 59 :: List key features of Atom Editor.

Github support Built-in package manager Smart code auto completion Easy system browser opening Multiple panes support Customizable themes many packages Open source Platforms: OS...View answers

Questions : 60 :: What are the key features of Notepad++?

Code auto-completion Syntax highlighting Lightweight Higher performance Search and replace functionalities Multi language environment support Highly...View answers

Questions : 61 :: What are key features of Brackets?

Live Preview Inline editors Preprocessor support Lightweight Powerful with reliable performance Extension support Beautify functionality Git...View answers

Questions : 62 :: Difference between DOS and Windows

DOS: Command line OS Single processing or tasking and single user Power consumption is low Less memory No media Support Size of the OS is small Windows: Graphical OS Multitasking High...View answers

Questions : 63 :: Difference between Wi-fi and Bluetooth.

WIFI: Bandwidth is high Range - 100 m Security features are better High power consumption Complex BLUETOOTH: Bandwidth is low Range - 10 m Less secure Low power consumption Simple to...View answers

Questions : 64 :: Name some app that collects our data.

...View answers

Questions : 65 :: What are the different type of port plug?

Ethernet Mini USB HDMI USB Type A Micro USB USB Type B Audio USB Type C Headphones USB...View answers

Questions : 66 :: Brief on Youtube evolution.

2012: Ads before video 2015: Ads between video 2018: Double ads before a video and several ads in between video 2021: Videos in between...View answers

Questions : 67 :: Name different types of servers.

Database Server FTP Server File Server VPS Server Game Server SQL Server Web Server Application Server Mial Server proxy...View answers

Questions : 68 :: What are different companies owned by Meta?

...View answers
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