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Govt. Examwise MCQ
2023+ MCQ Questions in english हिन्दी
Which of the following algorithms is used for asymmetric encryption?
RSA uses public and private keys.
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Which component is responsible for rendering graphics in a computer?
GPU (Graphics Processing Unit) handles all rendering tasks.
What does “ping” do in networking?
It checks connectivity and measures round-trip time.
What is the function of a kernel in an OS?
Kernel controls memory, CPU, devices—core of the OS.
In networking, what does TTL in an IP packet stand for?
It limits the lifetime of data on the network. It limits the lifetime of data on the network.
Which scheduling algorithm is used in real-time systems?
EDF is common in real-time OS.
What does a “deadlock” mean in operating systems?
Two or more processes waiting for each other indefinitely
Which one is not a type of database normalization?
Usually, normalization is up to 5NF in practical use.
In computer networks, what does “subnet mask” define?
Network and host division
What does the command chmod 755 file.txt do in Linux?
Owner: Read, write, execute; Group & others: Read and execute.
Which protocol is used to send emails from a client to a server?
SMTP stands for Simple Mail Transfer Protocol.
In computer security, what does “rootkit” refer to?
A rootkit is designed to remain undetected while gaining control.
What does the acronym BIOS stand for?
BIOS initializes hardware during the booting process.
Which RAID level offers fault tolerance and improved performance using disk striping with parity?
RAID 5 uses striping and parity for balance of speed and fault tolerance.
Which layer of the OSI model is responsible for encryption and decryption of data?
The Presentation Layer handles data translation, encryption, and compression.
What is the full form of IP in IP address? A) Internal Protocol B) Internet Procedure C) Internet Protocol D)) Internet Protocol ✅ Answer: C) Internet Protocol
Internet Protocol
Which one is the fastest type of memory?
Cache
Which of the following is NOT an operating system?
Python is a programming language.
What is the function of an operating system?
Interface between hardware and user
What is a virus in computer terminology?
It replicates and harms files/data.
Which of the following is an example of system software?
System software manages computer hardware.
What does CPU stand for?
It is the brain of the computer that processes instructions.
The sum of the digits of a two-digit number is 11. If the digits are reversed, the number increases by 27. What is the original number?
Let the tens digit = x, units digit = y So the number = 10x + y
A cylinder and a cone have the same base radius and height. If the volume of the cylinder is 150 cm³, what is the volume of the cone?
Volume of a cylinder = πr²h Volume of a cone = (1/3)πr²h = (1/3) × Volume of the cylinder ⇒ (1/3) × 150 = 75 cm³
If length of arc = 5π & radius = 10, central angle =
(arc = rθ → θ rad = 5π/10 = π/2 rad = 90°)
If u: twice differentiation of x³ gives
Equation of perpendicular bisector of AB joining (2,3) and (6,7):
x + y = 9
The radius of circumscribed circle about square of side 10 =
5√2
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