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WHAT IS COMPUTER?
Computer is termed in the Oxford dictionary as "An automatic electronic apparatus for making controlling operations or calculations which are expressible in logical or numerical terms". It is a device that accepts data, processes the data according to instructions provided by the user, and at last returns the results to user and usually consists of input, output, arithmetic, logic , storage, and control units. The computer can store and control large quantities of data at very high speed.
Control Signals from Control Bus: A number of the control signals are provided to control unit by the control bus. These signals are issued from outside the CPU. Some of these si
What is port? What are the types of port available? An I/O interface having of circuitry needed to connect an I/O device to computer bus. One side consists of a data path with
Explain The Storage Class extern The Storage Class extern : One method of transmitting information across blocks and functions is to use external variables. When a variable is
Program generation activity aims at? Ans. At automatic generation of program the program generation activity aims.
the counter shown Q2Q1Q0=000 The status of Q2Q1Q0 after the pulse
The various memory allocation functions are described below: (i) malloc( ) : It is a memory allocation function that assigns requested size of bytes and returns a pointer to t
Q. What about division and multiply operations? In most of the older computers divisions and multiply were implemented using subtract/add and shift micro-operations. If a digit
Compare pre-emptive and non-preemptive scheduling policies. We preempt the currently executing process in preemptive scheduling. In non-preemptive we permit the current process
Flynn's Classification Flynn's classification is based on multiplicity of data streams and instruction streams observed by the CPU during program execution. Let Ds and Is are
Give the format of ICMP header and explain meaning of each field. The format of ICMP header is given below: Internetwork Control Message Protocol (ICMP) ICMP H
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