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explain the stack in digital computersthe stack in digital computers is fundamentally a memory unit with an address register which can count only
name the two operations of stacka stack has only two operations and they are insertion and deletion of items the operation insertion is called push
what is indexed addressingthe location of data is calculated as sum of an address specified by one of previous methods and value of an index register
indirect addressinga memory location is given that holds another memory location this second memory location holds the real data this mechanism
state the relative addressingthe location of data is specified relative to current value of the program counter this is helpful for specifying
absolute addressing and implied addressinga fixed address is specified and also called as direct addressingthe location of data is implied by
what is immediate addressingthe data itself beside the address is given as the operand or operands of the
what are addressing modesmany of instructions that a computer actually executes during running of a program concern movement of data to and from
explain about the arithmetic shiftan arithmetic shift micro operation shifts the signed binary number to left or rightthe effect of the arithmetic
what is circular shiftthe circular shift is also called as rotate operation it circulates bits of the register around two ends and there is no loss
logical shifta logical shift operation transfers 0 through serial input we apply symbols shl and shr for logical shift left and shift right
shift microoperationsshift microoperation can be used for serial transfer of the data they are used generally with arithmetic logic and other
clear operationthe clear operation compares words present in a and b and produces an all 0s result if two numbers are equal this operation is
insert operationthe insert operation inserts a new value into a set of bits this is done by first masking bits and then o ring them with required
what is mask operationthe mask operation is similar to selective-clear operation except which the bits of aare cleared only where there are
state the selective clear - logic micro operationsthe selective-clear operation clears to 0 bits in register a only where there are corresponding
selective complementthe selective-complement process complements bits in register a where there are corresponding 1s inside register b it does not
selective setthe selective-set operation sets to 1 bits in register a where there can corresponding 1s in register b it does
state about the logic micro-operationsthese operations are performed on binary data stored in register for a logic micro-operation each bit of a
how can we decrement and increment operationswe can implement decrement and increment operations by using a
give detail explanation about arithmetic micro-operationsthese micro-operations perform some essential arithmetic operations on numeric data stored
micro-operationsa micro-operation is an basic operation which is performed on data stored in registers we can classify micro-operations into four
give example of bus and memory transferfor example the read operation for transfer of a memory unit m from address register ar to another data
discuss about the bus and memory transfera read action implies transfer of information to outside environment from a memory word whereas storage of
how can common bus system be constructeda common bus system could be constructed using multiplexers these multiplexers select source register whose