1. a processor has two level cache.Their access time (level1
and level2) is 100ns and 300ns respect.Memeory access time is 1000ns$
ans is 140 (b)
2.diskless server uses
a rarp
b arp
c ftp
d.telnet
ans rarp
3.which one of them is not a client server
telephone
webserver
and one more
ans is e-mail or telephone.
4.Which one is used to represent operations
infix
postfix
binarytree
and one more
ans binary tree
5.one qustion was on private key and public key.The quest. was
if a wants to send a message to b that no one other that b should $
A private key
A public key
B private key
B public key
6.compliers maintain
ans is symbol table
1) what a java interface not have ?
ans – instance variables
2) what is done with java code on a web-page
ans – downloaded and executed on ur pc
3) what is the order of deleting a node from a linked list given a ptr
to it
ans O(n) ( since u have to traverse the list to reach the prev.
node)
3) what is RSA
4) how can A send a messageto B so that B knows its from A
ans A uses his private key so that B can use A’s public key
5) what is the best sort in worst case
ans heap sort
6) what is the given sorting
ans selection ( check it )
7) what can access protected memebers of a class
ans other classes of that program
8) what protocol is used by a machine to map an ip to hardware address
ans arp
9) what is the size of ipv6
ans 128 bits
10) what protocol has ping
ans icmp
11) how many keys are needed in symmetric and asymmetric crptography?
ans – i dont know
12) one on a right threaded tree
13) very easy k-map
ans i think its b)
14) very easy ckt
ans choice which has option : a&c are equivalent
15) what in unix doesnt have a fd
ans process
Related posts: