*-PROCESSOR
1-Intel Dual Core
2-Intel core I3
3-Intel core I5
4-Intel core I7
5-series core I9(X series processor)



 *MOTHER BORD
1-Intel
2-Gigabyte
3-Asus.... etc.



*HARD DISK-300GB/500GB/1TB/2TB

1-Samsung
2-Toshiba
...etc.

*Monitor-15"/18"/22"
1-Samsung
2-LG
3-Dell
...etc.
*RAM-DDR/DDR2/DDR3/DDR4(1/2/4/8GB)
1-G.SKILL
..etc.
*DVD WRITER
1-LG
2-Samsung
..etc.


*KEY-BORD
1-Frontech
2-Logyteck
..etc.


*MOUSE
1-Frontech
2-Logyteck
..etc.

*PINTER
1-Canon
2-HP
..etc.

*UPS-1000VA/1200VA/800VA
1-Zebronics
2-Frontech
..etc.

*Cabinet
1-Foxin
..etc.