When two number are added in excess-3 code and the sum is less than 9 , then in order to get the correct answer it is necessary to

The characteristic equation of an SR filp-flop is given by

A graph with n vertices and n-1 edges that is not a tree , is

Networks that use different technologies can be connected by using

A read bit can be read

The term ‘aging’ refers to

Consider a set of n tasks with known runtimes r₁ ,r₂………….. r_n  To be run on a uni processor machine . Which of the following processer scheduling algorithms will result in the maximum throughput ?

Consider a job scheduling program with 4 jobs J₁ , J₂, J₃ and J₄  With corresponding deadlines : (d₁ , d₂ , d₃ , d₄) = (4, 2, 4, 2). Which of the following is not a feasible schedule without violating any job schedule?

By using a eight bit optical encoder the degree of resolution that can be obtained is (approximately)

The principal of the locality of reference justifies the use of

Consider the following pseudo-code
x ; = 1;
I ; = 1;
While (x,=1000) begin
x ; =2^x;
i ; = i+1;end;
what is the value of I at the end of the pseudo-code

The five items : A, B, C, D and E are pushed in  stack, one after other starting from A. The stack is popped four items and each element is inserted in a queue . The two element are deleted from the queue and pushed back on the stack, Now one item is popped from the stack . The popped item is

Round Robin schedule is essentially the pre-emptive version of

The number of digit 1 present in the binary representative of 3 x 512 + 7 x 6 + 5 x 8 + 3 ? is

Assume that each character code consists of 8 bits. The number of characters that can be transmitted per second through an synchronous serial line at 2400 baud rate, and with two stop bits is

If the bandwidth of a single is 5 kHz and the lowest frequency is 52 kHz, what is the highest frequency

An Ethernet hub

Which of the following is an illegal array definition?
Type COLONGE: (LIME, PINE, MUSK, MENTHOL):

The team phong associated with

The Boolean expression is given by

The subnet mask 255.255.255.192

On a LAN, where are IP datagram transported?

In Ethernet, the source address field in the MAC frame is the ____ address.

Which of the following transmission media is not readily suitable to CSMA operation?

The postfix expression AB + CD – * can be evaluated using a

Both hosts and routers are TCP/IP protocol software. However, routers do not use protocol from all layers. The layer for which protocol software is not needed by a router is

Phase transition for each it are used in

The TCP sliding window

Study the following program
// precondition: x. =0
Public void demo (int x)
{    System. out. print(x%10)
If ((x/10 ) ! = 10)
{
Demo (x/10) ;
}
System. outsprint (x % 10)
}
Which of the following is printed as a result of the call demo (1234)?

Of the following sort algorithms, which has execution time that is least dependent on initial ordering of the input ?

What is the bandwidth of the signal that ranges from 40 kHz 4 kHz

If there are five routers and six network in intranet using link state routing, how many routing tables are there ?

virtual memory is

The level of aggregation of information required for operational control is

Which Project 802 standard provides for a collision-free protocol?

The set of all Equivalence Classes of a set A of Cardinality C

0.75 decimal system is equivalent to ………. In octal system.

In an SR latch made by cross-coupling two NAND gates, if both S and R inputs are set to 0, then it will result in

Identify the correct translation into logical notation of the following assertion. Some boys in the class are taller than all girls  Note: taller (x,y) is true if x is taller then y.

Company X shipped 5 computer chips, 1 of which was defective, and company Y shipped 4 computer chips, 2 of which were defective. One computer chip is to be chosen uniformly at a random from the 9 chips shipped by the companies. If the chosen chips is found to be defective, what is the probability that the chip came from the company Y?

Ring counter is analogous to

The output 0 and 1 level for TTL logic family is approximately

Consider a computer system that stores a floating-point number with 16-bit mantissa and an 8-bit exponent, each in two’s complement. The smallest and largest positive values can be stored are

In comparison with static RAM memory, the dynamic RAM memory has

The Hexadecimal equivalent of 0 1 1 1 1 1 0 0 1 1 0 1 1 1 1 0 0 0 1 1 is

Disk requests are received by a disk drive for cylinder 5, 25, 18, 3, 39, 8 and 35 in that order. A seek takes 5 msec per cylinder moved. How much seek time is needed to serve these request for a shortest seek first (SSF) algorithm? Assume that the arm is at cylinder 20 when the last of these requests is made with none of the requests yet served

Consider a system having ‘m’ resources of the same type. The resources are shared by 3 processes A, B, C which have peak time demands of 3, 4, 6, respectively. The minimum value of ‘m’ that ensures that deadlock will never occur is

A task in a blocked state

Semaphores

On a system using non-preemptive scheduling, processes with expected run times of 5, 18, 9 and 12 are in the ready queue. In what order should they be run to minimize wait time ?