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What is the importance of flags in microprocessor?
sign flag parity flag zero flag
What is usage parity bit in 8086 Microprocessor?
P (parity)is the count of '1's in the last 8 bits of any binary number expressed as even or odd. Logic 0 for odd parity; logic 1 for even parity.-if a number contains three binary one bits, it has odd parity-if a number contains no one bits, it has even parity
What are the various flags used in 8085?
there are 5 flags of intel 8085 are: Carry flag(CY), parity flag(P), Auxiliary Carry flag(AC), Zero Flag(Z), Sign flag(S).
How many flag registers are there in 8085?
We have only one flag register of 8 bits. Bits description is as follows (Assuming D0=LSB & D7=MSB) D7=Sign Bit. D6= Zero Flag D4= Auxiliary Carry Flag D2 = Parity Flag D0= Carry Flag.
Types of parity bits?
There are two types of parity bits.they are even and odd parity.
When parity detects an error what happens?
A parity error always causes the system to hault. On the screen, you see the error message parity error 1 (parity error on the motherboard) or parity error 2 (parity error on an expansion card)
What Is The Flags Signals In Microprocessor?
Microprocessors are equipped with flags which are used for letting one know some information such as for instance whether the result of any operaton was positive or negative,the result contains the even parity bits or odd,whether carry bits are generated or not.all these help the programmer out in performing further opertaions.different microprocessors contain different types and differnet number of flags.for instance INTEL 8085 contains 5 flags. AUX CARRY FLAG,ZERO FLAG,SIGN FLAG,PARITY FLAG,CARRY FLAG Anand bhat(mca@kiit-870024)
What error occurs if the number of bits is not an odd number for odd parity or an even parity?
parity error
What is parity of authority and responsibility?
Parity of Authority and Responsibility?
Condition flags available in 8086?
Conditional FlagsConditional flags represent result of last arithmetic or logical instruction executed. Conditional flags are as follows:1. CF (Carry Flag)This flag indicates an overflow condition for unsigned integer arithmetic. It is also used in multiple-precision arithmetic.2. AF (Auxiliary Flag)If an operation performed in ALU generates a carry/barrow from lower nibble (i.e. D0 - D3) to upper nibble (i.e. D4 - D7), the AF flag is set i.e. carry given by D3 bit to D4 is AF flag. This is not a general-purpose flag; it is used internally by the processor to perform Binary to BCD conversion.3. PF (Parity Flag)This flag is used to indicate the parity of result. If lower order 8-bits of the result contains even number of 1's, the Parity Flag is set and for odd number of 1's, the Parity Flag is reset.4. ZF (Zero Flag)It is set; if the result of arithmetic or logical operation is zero else it is reset.5. SF (Sign Flag)6. SF (Sign Flag)In sign magnitude format the sign of number is indicated by MSB bit. If the result of operation is negative, sign flag is set.7. OF (Overflow Flag)This stands for over flow flag. It occurs when signed numbers are added or subtracted. An OF indicates that the result has exceeded the capacity of machine. It becomes set if the sign result cannot express within the number of bites.Read More: http://www.daenotes.com/electronics/digital-electronics/8086-8088-microprocessor
what is meant by the terms odd parity even parity marking parity?
Odd parity and even parity are error detection schemes used in digital communication and computer memory. In odd parity, the number of bits set to '1' in a binary sequence is always odd, while in even parity, it is always even. Marking parity refers to a specific implementation of even parity where a binary '1' is added as a parity bit to ensure that the total number of '1's is even. These methods help identify errors in data transmission or storage by providing a simple means of checking integrity.
A problem with parity error indicates a problem with?
Parity error indicates bad memory. Parity checks compare the memory read with what was writen.
