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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.
Electronic transmission Frequency: Frequency is the rate at which a wave or cycle alternates between high and low (analog mode) or on and off (digital mode). For example, the
Write an application that stores at least five different department and supervisor names in a two-dimensional array. Allow the user to enter a department name (such as “Marketing”)
Client/ Server Architecture: As the capacity and power of personal computers improved, the need to share the processing demands between the host server and the client workst
THE FIRST GENERATION (1949-1955) The computers in this generation have the following characteristics: Physically large in size Inflexible in operations
Question 1 List two I/O virtualization methods. Based on different features compare these two methods Question 2 Discuss three areas considered by organizations to secure the
how does microprocessor interpret with the burglar alarmn
Subroutine : A subroutine is a type of subprogram, a piece of code within a larger program that performs a specific task and is relatively independent of the remaining code.
An example code on LDS
Concept of operating system: An operating system is an essential software component of a computer system. The basic objectives of an operating system are to make the computer
Question (a) What is a view? (b) Can we use a view to insert or update a record into a table? Do we have any limitation to perform the above command? (c) The syntax to cr
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