Which ofthe following is an illegal array definition ?
ISRO Scientist or Engineer Computer Science 2008
For the following questions answer them individually
The term Phongis associated with
The subnet mask 255.255.255.192
On a LAN, where are IP datagrams transported?
In Ethernet, the source addressfield in the MAC frame is the address.
Which of the following transmission media is not readily suitable to CSMA operation?
Consider the grammar
$$ S \rightarrow ABCc \mid bc$$
$$ BA \rightarrow AB $$
$$ Bb \rightarrow bb $$
$$ Ab \rightarrow b $$
$$ Aa \rightarrow aa $$
Whichof the following sentences can be derived by this grammar?
The TCP sliding window
What is the bandwidth of a signal that ranges from 40 kHz to 4 MHz?
Which Project 802 standard providesfor a collision-free protocol?
The Boolean theorem $$AB + \overline{A} C + BC = AB + \overline{A} C$$ crresponds to
In the given network of AND and OR gates f can be written as
If $$N^{2}= (7601)_{g}$$ , where N is a positive integer, then the value of N
Assumethat each character code consists of 8 bits. The number of characters that can be transmitted per second through an synchronousserialline at 2400 baudrate, and
with two stop bits is
Four jobs to be executed on a single processor system arrive at time O in the order A, B, C, D. There burst CPU time requirements are 4,1, 8, 1, time units respectively. The
completion time of A under robin round scheduling with time slice of one time unit is
Which one of the following algorithm design techniques is used in finding all pairs of shortest distances in a graph?
The address space of 8086 CPU is
More than one wordare put in one cache block to
The performanceofa pipelined processorsuffers if
If $$(12 x)_{3} = (123)_{x}$$, then the value of x is
The advantage of MOS devices over bipolar devicesis that
How many 2-input multiplexers are required to construct a $$2^{10}$$ - input multiplexer ?
A computer uses 8 digit mantissa and 2 digit exponent.If a = 0.052 and b = 28E + 11, the b + a-b will
The Boolean expression $$(A + \overline{C}) (\overline{B} + \overline{C})$$ simplifies to
In the expression $$\overline{A}(\overline{A} + \overline{B})$$ by writing the first term A as A + 0, the expression is best simplified a
The logic operations of two combinational circuits given in Figure-I and Figure-II are
The output Y of the given circuit is
Whichofthe followingis not a valid rule for XOR?
The numberof distinct simple graphs with up to three nodesis
Maximum numberof edgesin a n-node undirected graph without self loops is
If the two matrices $$\begin{bmatrix}1 & 0 & x \\0 & x & 1 \\0 & 1 & x \end{bmatrix}$$ and $$\begin{bmatrix}x & 1 & 0 \\x & 0 & 1 \\0 & x & 1 \end{bmatrix}$$ and have the same determinant, then the value of X is
The network 198.78.41.0 is a
The join operation can be defined as
If a square matrix A satisfies $$A^{T}A = I$$, then the matrix A is
Embedded pointerprovides
An interrupt in which the external device suppliesits address as well as the interrupt requests is known a
The ability to temporarily halt the CPU and use this time to send informationon busesis called
Relative to the program translated by a complier, the same program wheninterpreted runs
Consider the following Assembly language program: ~
MVIA 30H
ACI 30H
XRA A
POP H
After the execution of the above program, the contents of the accumulator will be
Consider the following C function:
int f(int n)
{ static int i = 1;
if (n >= 5 ) return n;
n=n + i,
j++;
return f(n);
}
The value returned by f(1) is
In a resident - OS computer, which of the following systems must reside in the main memory underall situations ?
Which of the following architecture is/are not suitable for realising SIMD ?
Consider the following code segment.
for (int k = 6; k < 26; k = k + 2)
{
if (k % 3 == 1)
system.out.print(k + " ");
}
What is printed as a result of executing the code segment?
The device which is used to connect a peripheral to bus is known as
The TRAP is one of the interrupts available in INTEL 8085. Which one of the following statements is true of TRAP ?
Raid configurations of disks are used to provide
Which of the following need not necessarily be savedona =~ context switch between processes ?
Which of the following is termed as minimum error code ?
The total time to prepare a disk drive mechanism for a block of data to be read from it is
Feedback queues
With Round-Robin CPU scheduling in a time shared system
Dynamic Addresstranslation
Thrashing
Whatis the nameof the operating system that reads and reacts in terms of actual time ?
The memory Address Register
An example of spooled deviceis a
Dirty bit for a page in a page table
.Check pointing a job
A public key encryption system
Overlaying
A critical section is a program segment
In which of the following four necessary conditions for deadlock processes claim exclusive control of the resources they require ?
.Fork is
Which of the following need not necessarily be saved on a Context Switch between processes?
Consider a logical address space of 8 pages of.1024 words mapped into memory of 32 frames. How manybits are there in the logical address?
The performance of Round Robin algorithm depends heavily on
The page replacementalgorithm which gives the lowest page fault rate is
Which of the following class of statement usually produces no executable code when compiled?
What is the value of F(4) using the following procedure:
function F(k : integer):
integer;
begin
if(K < 3) then F := k else F := F(k - 1) * F(k - 2) + F(k - 3)
end;
Stack A hasthe entries a, b, c (with a on top). Stack B is empty. An entry popped outof stack A can be printed immediately or pushedto stack B. An entry popped out of the stack B can only be printed. In this arrangement, which of the following permutations of a, b, c are not possible?
.The time required to search an elementin a linked list of length n is
Whichof the following operations is performed moreefficiently by doubly linkedlist than by linear linked list?
We can make a class abstract by
A Steiner patch is
A complete binary tree with the property that the value at each — nodeis at least as large as the valuesat its children is known as
.The minimum numberoffields with each node of doubly linked list is
How many comparisonsare neededto sort an array of length 5 if a straight selection sort is used andarray is already in the opposite order ?
Consider the graph shown in the figure below.
Which of the following is a valid strong component ?
Repeated execution of simple computation may cause compounding of
in C, what is the effect of a negative numberin a field width specifier ?
