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What are the Digital certificates of hardware computations
Digital certificates are highly dependent on hardware computations, it is essential that mechanisms are evolved to increase the speed of computing by various means such as parallel processing, provision of additional processors, separate hardware for protection, etc. Assume that a number of users log on to the server, then in such an event it is sure to face a bottleneck at the security gate since it would take considerable time in processing encryption/decryption of the keys or certificates. Now-a-days, in order to reduce this kind of difficulty, a separate server called firewall server is placed in front of the main server. Anyone willing to access the main server has to get through this gate.
What start bit and stop bit The first bit known as the Start bit is always a zero and it is used to show the beginning of the character The last bit is known as the stop bit
Read only memory (ROM) ROM holds the instructions for starting up the computer. This sort of memory can only be read and can't be altered (that implies deleted or written to) a
What is a disk drive? The electro mechanical mechanism that spins the disk and moves the read/write heads known as disk drive.
Digital circuits also manipulate logicalexpressione.g. IF account is in credit THEN allow phoneto make calls.So a digital circuit must determine if somethingis TRUE or FALSE. Norma
RAW and WAW - Data hazards: RAW (read after write) - j tries to read a source before i writes it, hence j wrongly gets the old value .This is the most usual type of
Explain dissimilar security protocols used for e-commerce applications. The e-commerce systems of today are composed of a number of components including: a commerce server, d
What is replacement algorithm? When the cache is full and a memory word that is not in the cache is referenced, the cache control hardware must decide which block should be del
Why a task can n ot return a value? If tasks can return values then Let's take a look at the below example. A=f1(B)+f2(C); and f1 and f2 had delays of say 5 and 10? Whe
Q Consider the following expression. Assume that complement inputs are available. F(A,B,C,D) = ∑m (1,2,6,9,10,14) + ∑d (4,7,8,11,12) a. Find minimal expression for SOP. Draw
For a non blocking crossbar configuration, taking N as the number of subscribers, there will be number of cross points and _ number of switches for est
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