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Q. Explain about Two-pass assembler?
Assemblers usually make two or more passes through a source program in order to resolve forward references in a program. A forward reference is expressed as a type of instruction in code segment which is referencing the label of an instruction though the assembler hasn't yet encountered the definition of that instruction.
Pass 1: Assembler reads the whole source program and creates a symbol table of labels and names used in the program that is name of data fields and programs labels and their relative location (offset) within the segment.
Pass 1 concludes the amount of code to be produced for every instruction.
Pass 2:Assembler uses the symbol table which it constructed in Pass 1. Now it knows the relative position and length of every data field and instruction and it can complete object code for every instruction. It generates .OBJ (Object file), .LST (list file) and cross reference (.CRF) files.
Write Hit Policies: Write through o Update next level on every write o Cache is always clean o A lots of traffic to next level (mostly write) Write
Q. What is Interpolated Resolution? Every Scanner is accompanied by a software. This software can raise the apparent resolution of scan by a scheme known as Interpolation. By
What is delayed branching? A method called delayed branching can minimize the penalty incurred as a result of conditional branch instructions. The idea is easy. The instruction
Propositional Inference Rules: Propositional Inference Rules Equivalence rules are mostly useful because of the vice-versa aspect, that means like we can search backwards and
N number of XNOR gates is linked in series that is the N inputs (A0, A1, A2......) are specified in the subsequently way: A0 and A1 to first XNOR gate and A2 and O/P of First XNOR
What is the last entry in all BDC tables? In all BDC tables the last entry is to save the data by using the field name BDC_OKCODE and a field value of '/11'.
What is race around condition? Ans: Race Around Condition:- Jn Kn Q(n+1) output 0 1 0 1 0 0
managing devices and disks
#question.Smugglers are becoming very smart day by day. Now they have developed a new technique of sending their messages from one smuggler to another. In their new technology, the
Subtraction 11011-11001 using 2's complement. Ans. 11011 - 11001 = A - B 2's complement of B = 00111 1 1 0 1 1 + 0 0 1 1 1 1 0 0 0 1 0 Ignore carry to get answer as 00010 = 2.
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