Computers and IT – GK Questions and Answers (MCQs)
In today’s tech-driven world, basic computer knowledge is no longer optional — it’s essential. From sending emails to using digital banking or filling out online applications, computers play a major role in everyday life. That’s why questions on Computers and Information Technology (IT) have become a regular part of competitive exams and government job interviews.
This section is specially designed to help you build your computer awareness through topic-wise MCQs that are useful for students, job aspirants, and professionals preparing for exams like SSC, IBPS, SBI, UPSC, CDS, NDA, Railways, Teaching, and more. Whether you're from a technical background or just brushing up on basics, practicing these questions will help you score better and stay updated.
What you will learn in Computer GK:
Computer’s basic parts consist of input, output, storage and processing. In the basic Computer GK test section, you will learn the conceptual questions on number systems, different generations of computer, computer’s hardware and software, I/O devices, computer memory etc.
Start preparing for your upcoming government exams with Computer & IT GK and boost your confidence one quiz at a time!
Practice Computers and IT by Category
| C Programming MCQs |
| Computer Fundamentals MCQ |
| Computer Networking MCQs |
| Data Structures & Algorithms MCQs |
| Database MCQs |
| MS Excel MCQs |
| MS Word MCQs |
| Operating System MCQs |
Computers and IT Practice MCQ Question and Answer
752
Which of the following communication modes support two-way traffic but in only one direction at a time?
753
The x.25 standard specifies a
754
Layer one of the OSI model is
755
How many OSI layers are covered in the X.25 standard?
756
The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as:
757
Which of the following performs modulation and demodulation?
758
In OSI network architecture, the routing is performed by
759
In OSI network architecture, the dialogue control and token management are responsibility of
760
Which of the following communications lines is best suited to interactive processing applications?
761
In a synchronous modem, the digital-to-analog converter transmits signal to the
762
Which of the following statement is correct?
763
The synchronous modems are more costly than the asynchronous modems because
764
How much power (roughly) a light emitting diode can couple into an optical fiber?
765
A communications device that combines transmissions from several I/O devices into one line is a
766
If you don't know the current time, which command will you use to display
767
Which command divides the surface of the blank disk into sectors and assign a unique address to each one
768
Each time you turn on your computer, it will check on the control file
769
If you need to duplicate the entire disk, which command will you use?
770
Which command lists the contents of current directory of a disk
771
Which of the following extensions suggest that the file is a backup copy
772
Only filenames and extensions are to be displayed in wide format, which command you'll use?
773
Which command displays all the files having the same name but different extensions?
774
Which command displays only file and directory names without size, date and time information?
775
Which command displays comma for thousand separating on file size while listing?
776
Which command is used to display all the files having the (.exe) extension but different filename?
777
Which command should be used to display all files within the specified subordinate directory of the subdirectory?
778
Which command displays the directory list including files in tree structure?
779
Which command will be used to display a file within the specified directory of pathname?
780
Which command creates a directory or subdirectory?
Benefits of Practicing Computer & IT GK MCQs
- Frequently Asked in Exams: Computer awareness questions are commonly seen in Banking, SSC, Railways, Teaching, and other government exams.
- Score-Boosting Section: A well-prepared computer section can help you improve your overall score with less effort.
- Helpful in Interviews: Demonstrating digital knowledge is an advantage in interviews and group discussions, especially for roles requiring basic computer skills.
- Builds Strong Fundamentals: Practicing MCQs regularly helps strengthen your understanding of key computer and IT concepts.
- Easy to Remember: Repeated quiz practice improves memory retention, especially for definitions, shortcuts, and abbreviations.