Technical Interview Questions

Intel’s 80386 was the first 32-bit processor, and since the company had to backward-support the 8086. All the modern Intel-based processors run in the Enhanced mode, capable of switching between Real mode (just like the real 8086) and Protected mode, which is the current mode of operation.

The original 8086, which only had 1 MB of memory. This megabyte is split into low memory for IRQ tables, application memory and high memory.

Since CMOS is a special chip with its own battery, the best way to clear out a CMOS chip is to disconnect it from its power supply.

ISA and PCI, ISA can be used only on XT, AT and ATX boards. The industry now considers ISA obsolete.

Nonvolatile Read Write Memory, also called Flash memory. It is also know as shadow RAM.

ROM cannot be used as stack because it is not possible to write to ROM.

Stack is a portion of RAM used for saving the content of Program Counter and general purpose registers.

Flag is a flip-flop used to store the information about the status of a processor and the status of the instruction executed most recently