Siddique Ibrahim

computer network irq interrupt stack serial port computer memory php begining php data warehouse linux list if else elif if python execution python execution sequence python work flow python control flow python work folw python control statement python control structure python python example program python simple program python basics python introduction basic network basic computer networking network networking virtual box software virtualization virtualization virtual concepts hypervisor hub bridges network devices computer networking device network components router switch internetworking networking devices network device data communication network layers 7 layers osi layer query processing access permission database creation grant mysql example table creation pipelining stall processor pipeline instruction execution alu hazard data data hazard speed program control signal program counter control control signals micro control sequence micro programmed control unit control unit cpu micro programmed control hardwired control control signal parallel port interfaces interface io circuits interrupt request direct memory access dma synchronous bus bus concept input output device bus queue unix oss sun os open source software basic open source software free open source software freeware foss privileged mode linux kernel linux mode vs user mode linux mode operating system user mode routing table routing distance-vector routing protocol routing algorithm dns ip address domain address name server error detection and correction computer error error detection technique computer interface flash memory internal memory eprom cache fastest memory eeprom main memory hard disk ram secondary storage semiconductor ram basic security computer cryptography wide area network local area network bus topology network topology star network meta data data preparation data transformation data load data warehouse aggregate operation on table php variables computer security computer storage primary memory input output interface data link layer domain name system network routing algorithm