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Q. Explain about Instruction Register and Flags?
The Instruction Register: It comprises the operation code (opcode) and addressing mode bits of the instruction. It assists in determining the numerous cycles to be performed and hence determines related micro-operations that are required to be performed.
Flags: Flags are used by CU for determining the status of CPU and the results of a previous ALU operation. For illustration a zero flag if set conveys to control unit that for instruction ISZ (skip subsequent instruction if zero flag is set) the next instruction has to be skipped.
What do you mean by first fit? First fit allocates the first hole that is big enough. Searching can either begin at the beginning of the set of holes or where the last first-f
The number of control lines for 32 to 1 multiplexer is ? Ans. For 32 (2 5 ) the number of control lines and to select one i/p between them total 5 select lines are needed.
State the features of Pentium series of microprocessors: Pentium is a 32-bit superscalar, CISC microprocessor. The term superscalar is used for processor that contains more th
Make a class library and describe class 'User'. In User class describe the public, protected and Friend functions. Make a console application andadd a reference to this library and
Objectives of object oriented analysis After going through this unit, you should be able to: define the concepts of the objects in the system; express desired syste
Explain in brief about the broadband It isn't just computers which can be linked without wires, different peripheral devices can be linked to a computer system without the need
History Of Parallel Computers The test with and implementations of the utilize of parallelism started year back in the 1950s by the IBM. The IBM enlarges computers also calle
Define in brief about the Database Management Systems Databases (Database Management Systems - DBMS) Databases are used to organise and collect information. Most databas
CONTROL SECTION: The control section directs the flow of traffic (operations) and data. Also it maintains order within the computer. The control section chooses one program sta
Design a BCD to excess 3 code converter using minimum number of NAND gates. Hint: use k map techniques. Ans. Firstly we make the truth table: BCD no
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