ISO-International Organization for Standardization OSI-Open System International When networks first came into being, computers could typically communicate only with…
Computer networks can be classified according to the hardware technology that is used to interconnect the individual devices in the…
Computer network devices also known as communication devices and they constitute a data communication network. These devices are routers, switches,…
Internet Protocol (IP): IP Address is a Logical address, which used for identify a single host in a network. It…
AMI BIOS # of Beeps Error Description 1 Refresh Failure The memory refresh Circuitry is faulty 2 Parity Error Parity…
System Software was classified into four. Single user Single tasking OS. Single user Multi Tasking OS. Multi user Single tasking…
HARDWARE and SOFTWARE Hardware: Your PC (Personal Computer) is a system, consisting of many components. Some of those components, like…
PRIMARY MEMORY SECONDRY MEMORY 1.volatile Non volatile 2.temporary storage Permanent storage 3.High cost Low cost 4.Low size High size 5.eg:RAM…
Concept of John Von Neuman: According to him, he classified the complicated pc devide into 5 different units, CPU.…
First Generation (1940-1956) Vacuum Tubes The first computers used vacuum tubes for circuitry and magnetic drums for memory, and were…