How to use EDA playground for VHDL programming?

Viral Bhojpuri lokgeet (UP, Bihar, Jharkhand)

EDA playground VHDL Code and Testbench code for D flipflop.

EDA playground - VHDL Code and Testbench Code for 2-bit comparator

EDA playground - VHDL Code and Testbench for 1-bit comparator

EDA playground - VHDL Code and Testbench for XNOR Gate

EDA playground - VHDL Code and Testbench for XOR Gate

EDA playground - VHDL Code and Testbench for NOR Gate

EDA playground - VHDL Code and Testbench for NAND Gate

EDA playground - VHDL Code and Testbench for OR Gate

EDA playground - VHDL Code and Testbench for AND Gate

EDA playground - VHDL Code and Testbench for NOT gate

TCS NQT Previous Year question