IT Application Specialist
IT Application Specialist Interview Questions and Answers
Q1. What is port and define the difference between
A port is a communication endpoint for sending and receiving data. The difference between TCP and UDP is their approach to data transmission.
A port is a logical construct that identifies a specific process or network service on a host machine.
TCP is a connection-oriented protocol that ensures reliable data transmission, while UDP is a connectionless protocol that does not guarantee delivery of data.
Ports are identified by numbers ranging from 0 to 65535, with well-known ports...read more
Q2. What is registers where it is used
Registers are small, fast storage locations in a computer's processor that hold data temporarily.
Registers are used to store data that is frequently accessed by the processor.
They are faster than accessing data from memory.
Registers are used to hold data such as memory addresses, counters, and flags.
They are also used to hold data during arithmetic and logical operations.
Examples of registers include the program counter, stack pointer, and accumulator.
IT Application Specialist Interview Questions and Answers for Freshers
Q3. What is Kernal and what propose it use
Kernel is the core of an operating system that manages system resources and provides services to other software.
Kernel is responsible for managing memory, input/output requests, and system calls.
It provides a layer of abstraction between hardware and software.
Examples of kernels include Linux, Windows, and macOS.
Kernel can be monolithic, microkernel, or hybrid in design.
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