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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.
Q. What is File allocation table? FAT maps the usage of data space of disk. It comprises information about space used by every individual file and unused disk space as well as
What is a Priority Interrupt? A priority interrupt is an interrupt that establishes a priority over the various sources to determine which condition is to be serviced first whe
Performance Equation of computer system: Following equation is frequently used for expressing a computer's performance ability: The CISC approach tries to minimize the
What do you mean by memory mapped I/O? In Memory mapped I/O, there is no particular input or output instructions. The CPU can manipulate I/O data residing in interface register
Question (a) Imagine you need to move people through a distance of 10 miles, with the following specifications. • Car: capacity = 5, speed = 60 miles/hour • Bus: capacity
State the Disadvantages of interviewing - can be expensive to carry out - can be a very time consuming exercise - Unable to remain anonymous
The lrd_stmt function associates a character string (generally a SQL statement) with a cursor. This function sets a SQL statement to be processed.
Determine the types of Sensors Different types of sensors are used to give real time information to computers. Frequently, an analogue to digital converter (ADC) is required a
a. Explain the hardware mechanism for handling multiple interrupt requests. b. What are handshaking signals? Describe the handshake control of data transfer during input and out
Q. What is Access latency and Rotation Speed? Access latency: A disk access basically moves the arm to selected cylinder and waits for rotational latency that may take less t
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