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Q. Programmed input - output technique for computers?
Programmed input/output is a useful I/O technique for computers where hardware costs need to be minimised. Input or output operation in these cases may involve:
a) Transfer of data from I/O device to processor registers.
b) Transfer of data from processor registers to memory.
With programmed I/O method responsibility of processor is to constantly check status of I/O device to check whether it's free or it has completed inputting data. So this method is quite time consuming where processor wastes so much time in checking and verifying status of an I/O device. Figure (a) gives an illustration of use of programmed I/O to read in a block of data from a peripheral device into memory.
What are the different kinds of lock modes? There are three types of lock modes:- Shared lock Exclusive lock. Extended exclusive list.
Overriding tell us only the methods, but shadowing tells us the entire element.
Q. Illustrate Left shift register with parallel load? A register that shifts data in one direction only is known as Uni-directional shift register and a register that can shift
The search-based tools initially identify the problem and after that appropriately give advice on how to correct it. AT Expert from Cray Research is one of the tools being used
What is the significance Timescale directive? Defines time units and simulation precision (smallest increment). Syntax 'timescale TimeUnit / PrecisionUnit TimeUnit =
Explain Classless Inter-Domain Routing. It is a new addressing scheme for the internet that permits for more efficient allocation of IP addresses than old class A, B and C addr
What''s is a lissajious pattern?
What are the features of the hardwired control? A controller that uses this approach can function at high speed. It has little flexibility and the complexity of the instruction
One cannot use SELECT statements in a report program linked to a Logical Database False. You can use th SELECT statements.
Q. Convert the following into SOP form 1. (A+B) (B'+C) (A'+ C) 2. (A+C) (AB'+AC) (A'C'+B) 3. (A'+B') (C'+B) Q.Convert the following into POS form 1. WYZ + XYZ + W'X'
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