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in primary storage device the storage capacity is fixed it has a volatile memory in secondary storage device the storage capacity is not limited it
if you open your computers case the motherboard is the flat rectangular piece of circuit board to which the whole thing seems to connect to for one
ram read write memory high speed volatile memoryrom read only memory low speed non voliate memory ram- random access memory it is a volatile
as cmos is a special chip with its own battery the best way to clear out a cmos chip is to cut off it from its power supplyto clear the cmos password
intels 8086 was the first 32-bit processor and as the company had to backward-support the 8086 all the modern intel-based processors will run in the
what happens when hlt instruction is implemented in processorans the micro processor go into the halt-state and the buses are tri-stated
three logic levels are used and they are high low high impedance state the high and low are normal logic levels amp high impedance state is
risc-means reduced instruction set computer a risc system has decreased number of instructions and more significantly it is load store architecture
it is fast because it has got separate program and data memoryhighly pipelined architecture
a real time system is a computer system that updates the information at the similar rate it receives itreal time system is of two types- a hard
dos is not a rtos real time operating system though ms dos can be used with certain apis to attain the rtos functionality for example the rt kernel
a shell is a program that presents an interface to several operating system functions and services the shell is so called because it is an outer
binary search search a sorted array by repeatedly in-between the search interval in half start with an interval covering the entire array if the
explain what is the difference among embedded systems and the system in which rtos is runningans embedded system can have rtos and cannot have also
const and volatile keywords should not be used together due to both are opposite in naturea variable is declared as const means its value is not able
describe what happens when recursion functions are declared inlineans inline functions property says whenever it will call it will copy the whole
computer have many type of memory like primary memory auxiliary memory cache memory buffer memory virtual memory the work of all memory
there are situations called hazards that stop the next instruction in the instruction stream from implementing during its designated clock cycle
subroutine are the part of implementing processes like any process can call a subroutine for achieve task whereas the interrupt subroutine never be
virtual memory is a way of extending a computers memory by using a disk file to replicate addl memory space the os remain track of these addl memory
cache coherence refers to the integrity of data stored in local caches of a shared resource cache coherence is a special case of memory coherence
dns cache snooping is not a term the author just made up it is called and discussed by some notabledns execution developers and a few interested dns
a interrupt that can be turned off by the programmer is called as maskable
bios - basic input output systempower on self test post and loading bootloader from the hard disk drive boot sector is being completed by biosit
full form of is dhcp dynamic host control protocolit is mainly used to bound mac addresses of system especially for wireless system