The postfix expression AB + CD − can be evaluated using a

The post order traversal of a binary tree is DEBFCA. Find out the pre-order traversal .

The branch logic that provides making capabilities in the control unit is known as

The number of colour required to properly colour the vertices of every planer graph is

In multiuser database if two users wish update the same record at the same time, they are prevented from doing so by

A binary search tree is a binary tree :

What deletes the entire file except the file structure ?

Which command is the fastest among the following ?

B⁺ tree are preferred to binary tree in Database because ?

A Transaction Manager is which of the following ?

Leaves of which of the following trees are at the sam level ?

Which of the following TCP/IP Internet protocol is diskless machine uses to obtain its IP address from a server ?

Decryption and encryption of data are the responsibility of which of the following later ?

In which circuit switching, delivery of data is delayed because data must be stored and retrieved from RAM ?

In which Routing Method do all the routers have a common database ?

Page Shift Keying (PSK) Method is used to modulate digital signal at 9600 bps using 16 level. Find the line signals and speed (i.e. modulation rate) .

The station to hub distance in which it is 2000 metres .

Main aim of software engineering is to produce

Key process area of CMM level 4 are also clasified by a process which is

Validation means -

If a process is under statistical control, then it is

In a function oriented design, we

Which of the following metric does not depend on the programming language used ?

A/B⁺ tree index is to be built on the name atribute of the relation STUDENT. Asume that all students names are of length 8 bytes, disk block are of size 512 bytes and index pointers are of size 4 bytes. Given the scenario what would be the best choice of the degree (i.e. the number of pointers per node) of the B⁺ tree ?

The inorder traversal of the tree will yield a sorted listing of elements of tree in

Mobile IP provides two basic functions .

Pre-emptive scheduling is the strategy of temporarily suspending a gunning process

In round robin CPU scheduling as time quantum is increased the average turn around time

Resources are allocated to the process on nonsharable basis is

Cached and interleaved memories are ways of speeding up memory access between CPU's and slower RAM. Which memory models are best suited (i.e. improves the performance most) for which programs ?
(i) Cached memory is best suited for small loops
(ii) Inteleaved memory is best suited for small loops
(iii) Interleaved memory is best suited for large sequential
(iv) Cached memory is best suited for large sequential
code :

Consider the following page trace :
4, 3, 2, 1, 4, 3, 5, 4, 3, 2, 1, 5
Percentage of page fault that would occur if FIFO page replacement algorithm is used with number of frames for the JOB m = 4 will be

Check sum used along with each packet computes the sum of the data, where data is treated as a sequence of

If an integer needs two bytes of storage, then the maximum value of a signed integer is

Which of the following logic families is well suited for high-speed operations ?

Interrupts which are initiated by an instruction are

printf (" %c", 100) ;

For the transmission of the signal, Bluetooth wireless technology uses

Consider the following statements :
I. Recursive languages are closed under complementation
II. Recursively enumerable languages are closed under union
III. Recursively enumerable languages are closed under complementation
Which of the above statements are true ?

What is the routing algorithm used by RIP and IGRP ?

Identify the incorrect statement :

How many such pairs of letters are there in the word ‘CLEANLINESS’ each of the which has as many letters between them in the word as they have in the English alphabet, in the same sequence?

Team A has scored more goals than Team B
Team C has scored fewer goals than Team B
Team A has scored fewer goals than Team C .
If the first two statements are true, the third statement is

If it is possible to make only one meaningful word with the second, the third, the sixth and the eight letters of the word FRAGMENT using each only once, which of the following will be the third letter of that word ? If no such word can be formed, give ‘X’ as the answer and if more than one such word can be formed, give ‘Y’ as the answer.

How many such letters are there in the word ORIENTAL each of which is as far away from the beginning of the word as when they are arranged alphabetically?

How many such pairs of letters in the word CREDIT each of which has as many letters between them in the word as in the English alphabet?

How many meaningful words can be made from the letters ‘LMEA’ using each letter only once in each word?

If it is possible to make only one meaningful word with the first, the second, the seventh and the eighth letters of the word TEMPORAL, which of the following will be the first letter of that word? If more than one such word can be made, give ‘Y’ as the answer and if no such word can be made, give ‘X’ as the answer.

If the letters of the word HANDOVER are arranged alphabetically from left to right how many letters will remain at the same position?

How many such pairs of letters are there in the word EXCURSION, each of which has as many letters between them in the word as they have in the English alphabet?

If it is possible to make only one meaningful word with the first, the second, the third, the sixth and the eighth letters of the word DEVIATION first letter of that word is your answer? If more than one such word can be made formed your answer is ‘A’  and if no such word can be formed your answer is ‘B’.