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ELEMENTS OF CPU:
The CPU is a complex IC chip having millions of transistors. As mentioned earlier, a CPU has three major identifiable parts: Control Unit (CU), Arithmetic & logic Unit (ALU) and a set of Registers. The CPU chip is interfaced with other components of the computer through a system bus (printed wires on the mother board) which has three sets of wires forming Control Bus, Data Bus and Address Bus. Figure presents the components of a CPU :
CPU has a set of Registers which is used to store some data temporarily. Register lies above Cache and Main memory in memory hierarchy of the system. The registers in CPU perform two roles:
Storage Mechanism of Magnetic disk: Storage Mechanism: Magnetic disk drives contain metal disks that are coated on both sides with an iron oxide recording material. Several
Write a method called Grade that takes a numeric score and returns a letter grade. Use the rule that 90 to100 is an A, 80 to 89 a B, 60 to 79 is a C, 45 to 59 is a D, and less th
FUNCTIONING OF A COMPUTER: Computers have undergone through a long history of evolution. The evolutionary history is often divided into mechanical and electronic era, with ele
Question 1 Convert the following hexadecimal numbers to base 2 (D73)16 (A21)16 Question 2 Convert the following binary numbers to base 16 (11001011)2 (11
Multiprogramming Multiprogramming means capability of several programs to simultaneously occupy a portion of the computer’s memory and compete for central processor time. Th
Header contains routing and error control information Payload carries the actual user information, either voice, data or video
explain the expression "A=5"
i don''t understand how to create a program using double, int, float, short etc
write about relocatable programs
ALU’s tasks and their suitable subcomponents: Addition and subtraction these two tasks are carried out by constructs of logic gates, such as half adders and full adders. While they
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