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Central Processing Unit:
A Central Processing Unit (CPU) in a computer system is an extremely fast device as compared to the main memory, but it can not work on its own. It depends on the main memory that sends data and instruction when required for processing.
In other words, we can say that even memories with smaller size (i.e. primary memory) have very high access time (time taken by CPU to access a location in memory), which reduces the overall speed of a computer.
Computer memory can also be categorized on the basis of Volatile and Non-Volatile characteristics. Non-volatile Memory is a type of computer memory which can retain the stored information even if the power is shut down. Examples of Non-Volatile Memory are Read-only memory (ROM), flash memory, optical discs etc. On the other hand, a Volatile memory loses its content when the power goes off. Random Access Memory (RAM), which is the most common form of Primary Storage, is a type of volatile memory. When the computer is shut down, everything contained in RAM is lost.
System software: System software helps run the computer hardware and system. It is designed to control the operations of a computer and coordinate all external devices like c
Question: Using a questionnaire is a popular way commonly used to evaluate interfaces. (a) Describe advantages of using questionnaires as a means to evaluate interfaces.
Pebble Merchant Problem Description There is a pebble merchant. He sells the pebbles, that are used for shining the floor. His main duty is to take the length of the room’s sides.
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what is the functional decomposition diagram???
Analogue and digital signals: Analogue (continuous) information is made available in virtually all aircraft equipment. Figure 1 shows the analogue signal created by a variable
how to create 1000 random processes with time scales between 10 to 400 milliseconds
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