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Recent questions tagged gateit-2004
2
votes
0
answers
1
Doubt in pipelining questions.
Consider this question and its selected answer: https://gateoverflow.in/3690/gate2004-it-47 And this question: https://gateoverflow.in/1314/gate2009-28 Both questions are somewhat similar. In the first one's answer, instruction $I_1$ (when i = 2), ... that I am missing? PS. From where can I study this? Hamacher book doesn't contain pipelining in this much detail.
Rishabh Gupta 2
asked
in
CO and Architecture
Nov 4, 2017
by
Rishabh Gupta 2
1.5k
views
co-and-architecture
pipelining
gateit-2004
gatecse-2009
3
votes
1
answer
2
GATE IT 2004 | Question: 90
Given below are several usages of the anchor tag in HTML. <A HREF = "http://www.gate.ac.in/HTML/BASIC/testpage.html">Test Me</A> <A HREF = "/BASIC/testpage.html">Test Me</A> <A HREF = "testpage.html">Test ... A> Which of the above are valid? I and II only I and III only I, II and III only I, II, III and IV
Ishrat Jahan
asked
in
Web Technologies
Nov 2, 2014
by
Ishrat Jahan
3.3k
views
gateit-2004
web-technologies
html
normal
out-of-gate-syllabus
non-gate
1
vote
1
answer
3
GATE IT 2004 | Question: 89
Consider an XML file called intro.xml and a document type defintion (DTD) file intro.dtd as follows: intro.xml <?xml version = "1.0"?> <!DOCTYPE myMessage SYSTEM "intro.dtd" <myMessage> <message> ... intro.xml as Well-formed and validated Well-formed but not validated Validated but not well-formed Neither validated nor well-formed
Ishrat Jahan
asked
in
Web Technologies
Nov 2, 2014
by
Ishrat Jahan
2.0k
views
gateit-2004
web-technologies
xml
non-gate
normal
60
votes
10
answers
4
GATE IT 2004 | Question: 88
Suppose that the maximum transmit window size for a TCP connection is $12000$ $\text{bytes}$. Each packet consists of $2000$ $\text{bytes}$. At some point in time, the connection is in slow-start phase with a current transmit window of $4000$ $\text{bytes}$. ... transmit window? $4000$ $\text{bytes}$ $8000$ $\text{bytes}$ $10000$ $\text{bytes}$ $12000$ $\text{bytes}$
Ishrat Jahan
asked
in
Computer Networks
Nov 2, 2014
by
Ishrat Jahan
23.5k
views
gateit-2004
computer-networks
sliding-window
normal
51
votes
6
answers
5
GATE IT 2004 | Question: 87
A TCP message consisting of $2100$ $bytes$ is passed to IP for delivery across two networks. The first network can carry a maximum payload of $1200$ $bytes$ per frame and the second network can carry a maximum payload of $400$ $bytes$ per frame, excluding ... second network for this transmission? $\text{40 bytes}$ $\text{80 bytes}$ $\text{120 bytes}$ $\text{160 bytes}$
Ishrat Jahan
asked
in
Computer Networks
Nov 2, 2014
by
Ishrat Jahan
19.1k
views
gateit-2004
computer-networks
network-flow
normal
24
votes
6
answers
6
GATE IT 2004 | Question: 86
In the TCP/IP protocol suite, which one of the following is NOT part of the IP header? Fragment Offset Source IP address Destination IP address Destination port number
Ishrat Jahan
asked
in
Computer Networks
Nov 2, 2014
by
Ishrat Jahan
6.1k
views
gateit-2004
computer-networks
ip-packet
normal
67
votes
6
answers
7
GATE IT 2004 | Question: 85
Consider a simplified time slotted MAC protocol, where each host always has data to send and transmits with probability $p$ = $0.2$ in every slot. There is no backoff and one frame can be transmitted in one slot. If more than one host transmits in the same slot, then ... if each host has to be provided a minimum throughput of $0.16$ frames per time slot? $1$ $2$ $3$ $4$
Ishrat Jahan
asked
in
Computer Networks
Nov 2, 2014
by
Ishrat Jahan
16.0k
views
gateit-2004
computer-networks
congestion-control
mac-protocol
normal
47
votes
7
answers
8
GATE IT 2004 | Question: 84
Consider a parity check code with three data bits and four parity check bits. Three of the Code Words are $0101011, 1001101$ and $1110001.$ Which of the following are also code words? $0010111$ $0110110$ $1011010$ $0111010$ I and III I, II and III II and IV I, II, III and IV
Ishrat Jahan
asked
in
Computer Networks
Nov 2, 2014
by
Ishrat Jahan
18.6k
views
gateit-2004
computer-networks
network-security
normal
out-of-gate-syllabus
30
votes
5
answers
9
GATE IT 2004 | Question: 83
A $20$ $\text{Kbps}$ satellite link has a propagation delay of $400$ $\text{ms}$. The transmitter employs the "go back $n$ $ARQ$" scheme with $n$ set to $10$. Assuming that each frame is $100$ $\text{byte}$ long, what is the maximum data rate possible? $5$ $\text{Kbps}$ $10$ $\text{Kbps}$ $15$ $\text{Kbps}$ $20$ $\text{Kbps}$
Ishrat Jahan
asked
in
Computer Networks
Nov 2, 2014
by
Ishrat Jahan
10.8k
views
gateit-2004
computer-networks
sliding-window
normal
5
votes
4
answers
10
GATE IT 2004 | Question: 82
Consider a 10 Mbps token ring LAN with a ring latency of 400 µs. A host that needs to transmit seizes the token. Then it sends a frame of 1000 bytes, removes the frame after it has circulated all around the ring, and finally releases the token. ... every frame. Assuming that only a single host wishes to transmit, the effective data rate is 1 Mbps 2 Mbps 5 Mbps 6 Mbps
Ishrat Jahan
asked
in
Computer Networks
Nov 2, 2014
by
Ishrat Jahan
7.1k
views
gateit-2004
computer-networks
lan-technologies
token-ring
normal
out-of-syllabus-now
30
votes
5
answers
11
GATE IT 2004 | Question: 81
In a sliding window $ARQ$ scheme, the transmitter's window size is $N$ and the receiver's window size is $M$. The minimum number of distinct sequence numbers required to ensure correct operation of the $ARQ$ scheme is $\min (M, N)$ $\max (M, N)$ $M + N$ $MN$
Ishrat Jahan
asked
in
Computer Networks
Nov 2, 2014
by
Ishrat Jahan
10.3k
views
gateit-2004
computer-networks
sliding-window
normal
26
votes
3
answers
12
GATE IT 2004 | Question: 80
In a data link protocol, the frame delimiter flag is given by $0111$. Assuming that bit stuffing is employed, the transmitter sends the data sequence $01110110$ as $01101011$ $011010110$ $011101100$ $0110101100$
Ishrat Jahan
asked
in
Computer Networks
Nov 2, 2014
by
Ishrat Jahan
9.9k
views
gateit-2004
computer-networks
network-flow
normal
34
votes
2
answers
13
GATE IT 2004 | Question: 79
Consider a table $T$ in a relational database with a key field $K$. A $B$-tree of order $p$ is used as an access structure on $K$, where $p$ denotes the maximum number of tree pointers in a B-tree index node. Assume that $K$ is $10$ $bytes$ long; disk block ... In order for each $B$-tree node to fit in a single disk block, the maximum value of $p$ is $20$ $22$ $23$ $32$
Ishrat Jahan
asked
in
Databases
Nov 2, 2014
by
Ishrat Jahan
7.6k
views
gateit-2004
databases
b-tree
normal
38
votes
3
answers
14
GATE IT 2004 | Question: 78
Consider two tables in a relational database with columns and rows as follows: ... 1 Both i and ii will fail i will fail but ii will succeed i will succeed but ii will fail Both i and ii will succeed
Ishrat Jahan
asked
in
Databases
Nov 2, 2014
by
Ishrat Jahan
10.8k
views
gateit-2004
databases
sql
normal
43
votes
6
answers
15
GATE IT 2004 | Question: 77
Consider the following schedule $S$ of transactions $T1$ and $T2:$ ... only as $T2, T1$ $S$ is serializable both as $T1, T2$ and $T2, T1$ $S$ is not serializable either as $T1,T2$ or as $T2,T1$
Ishrat Jahan
asked
in
Databases
Nov 2, 2014
by
Ishrat Jahan
12.1k
views
gateit-2004
databases
transaction-and-concurrency
normal
43
votes
5
answers
16
GATE IT 2004 | Question: 76
A table T1 in a relational database has the following rows and columns: ... set marks = marks + 5 Select avg(marks) from T1 What is the output of the select statement? $18.75$ $20$ $25$ $\text{Null}$
Ishrat Jahan
asked
in
Databases
Nov 2, 2014
by
Ishrat Jahan
10.5k
views
gateit-2004
databases
sql
normal
58
votes
6
answers
17
GATE IT 2004 | Question: 75
A relation $\text{Empdtl}$ ... and $\textsf{1NF}$ $\textsf{BCNF}$ and hence also in $\textsf{3NF}$, $\textsf{2NF}$ and $\textsf{1NF}$
Ishrat Jahan
asked
in
Databases
Nov 2, 2014
by
Ishrat Jahan
17.3k
views
gateit-2004
databases
database-normalization
normal
41
votes
5
answers
18
GATE IT 2004 | Question: 74
A relational database contains two tables student and department in which student table has columns roll_no, name and dept_id and department table has columns dept_id and dept_name. The following insert statements were executed successfully to populate the empty tables: ... department 0 row and 4 columns 3 rows and 4 columns 3 rows and 5 columns 6 rows and 5 columns
Ishrat Jahan
asked
in
Databases
Nov 2, 2014
by
Ishrat Jahan
12.2k
views
gateit-2004
databases
sql
normal
59
votes
5
answers
19
GATE IT 2004 | Question: 73
Consider the following entity relationship diagram $(ERD)$, where two entities $E1$ and $E2$ have a relation $R$ of cardinality 1:m. The attributes of $E1$ are $A11$, $A12$ and $A13$ where $A11$ is the key attribute. The attributes of $E2$ are $A21$ ... normal form ($3NF$) is designed from the above $ERD$. The number of tables in the database is $2$ $3$ $5$ $4$
Ishrat Jahan
asked
in
Databases
Nov 2, 2014
by
Ishrat Jahan
18.7k
views
gateit-2004
databases
er-diagram
normal
3
votes
1
answer
20
GATE IT 2004 | Question: 72
What is the availability of a software with the following reliability figures? Mean Time Between Failure (MTBF) = 25 days Mean Time To Repair (MTTR) = 6 hours 1% 24% 99% 99.009%
Ishrat Jahan
asked
in
IS&Software Engineering
Nov 2, 2014
by
Ishrat Jahan
5.1k
views
gateit-2004
is&software-engineering
software-reliability
normal
4
votes
2
answers
21
GATE IT 2004 | Question: 71
A software was tested using the error seeding strategy in which 20 errors were seeded in the code. When the code was tested using the complete test suite, 16 of the seeded errors were detected. The same test suite also detected 200 non-seeded errors. What is the estimated number of undetected errors in the code after this testing? 4 50 200 250
Ishrat Jahan
asked
in
IS&Software Engineering
Nov 2, 2014
by
Ishrat Jahan
3.8k
views
gateit-2004
is&software-engineering
error-detection
normal
3
votes
2
answers
22
GATE IT 2004 | Question: 70
Assume that the delivered lines of code L of a software is related to the effort E in person months and duration t in calendar months by the relation L P* (E/B)1/3 * t4/3, where P and B are two constants for the software process and ... asked the project team to complete the software project in 4 months. What would be the required effort in person months? 10 40 160 320
Ishrat Jahan
asked
in
IS&Software Engineering
Nov 2, 2014
by
Ishrat Jahan
3.1k
views
gateit-2004
is&software-engineering
software-effort
normal
3
votes
1
answer
23
GATE IT 2004 | Question: 69
Consider the following program module: int module1 (int x, int y) { while (x! = y) { if (x > y) x = x - y, else y = y - x; } return x; } What is Cyclomatic complexity of the above module? 1 2 3 4
Ishrat Jahan
asked
in
IS&Software Engineering
Nov 2, 2014
by
Ishrat Jahan
3.8k
views
gateit-2004
is&software-engineering
cyclomatic-complexity
normal
3
votes
2
answers
24
GATE IT 2004 | Question: 68
A software project involves execution of 5 tasks T1, T2, T3, T4 and T5 of duration 10, 15, 18, 30 and 40 days, respectively. T2 and T4 can start only after T1 completes. T3 can start after T2 completes. T5 can start only after both T3 and T4 complete. What is the slack time of the task T3 in days? 0 3 18 30
Ishrat Jahan
asked
in
IS&Software Engineering
Nov 2, 2014
by
Ishrat Jahan
7.9k
views
gateit-2004
is&software-engineering
software-time-estimation
normal
31
votes
5
answers
25
GATE IT 2004 | Question: 67
In a particular Unix OS, each data block is of size $1024$ bytes, each node has $10$ direct data block addresses and three additional addresses: one for single indirect block, one for double indirect block and one for triple indirect block. Also, each block can ... following is approximately the maximum size of a file in the file system? $512$ MB $2$ GB $8$ GB $16$ GB
Ishrat Jahan
asked
in
Operating System
Nov 2, 2014
by
Ishrat Jahan
9.0k
views
gateit-2004
operating-system
file-system
normal
26
votes
1
answer
26
GATE IT 2004 | Question: 66
In a virtual memory system, size of the virtual address is $32$-bit, size of the physical address is $30$-bit, page size is $4$ Kbyte and size of each page table entry is $32$-bit. The main memory is byte addressable. Which one of the following ... number of bits that can be used for storing protection and other information in each page table entry? $2$ $10$ $12$ $14$
Ishrat Jahan
asked
in
Operating System
Nov 2, 2014
by
Ishrat Jahan
10.9k
views
gateit-2004
operating-system
virtual-memory
normal
30
votes
6
answers
27
GATE IT 2004 | Question: 65
The semaphore variables full, empty and mutex are initialized to $0$, $n$ and $1$, respectively. Process P1 repeatedly adds one item at a time to a buffer of size $n$, and process P2 repeatedly removes one item at a time from the same buffer using the programs given below. In ... P(empty), V(full) P(empty), V(full), P(empty), V(full) P(empty), V(full), P(full), V(empty)
Ishrat Jahan
asked
in
Operating System
Nov 2, 2014
by
Ishrat Jahan
6.9k
views
gateit-2004
operating-system
process-synchronization
normal
41
votes
6
answers
28
GATE IT 2004 | Question: 64
A process executes the following segment of code : for(i = 1; i <= n; i++) fork (); The number of new processes created is $n$ $((n(n + 1))/2)$ $2^n - 1$ $3^n - 1$
Ishrat Jahan
asked
in
Operating System
Nov 2, 2014
by
Ishrat Jahan
11.8k
views
gateit-2004
operating-system
fork-system-call
easy
52
votes
6
answers
29
GATE IT 2004 | Question: 63
In a certain operating system, deadlock prevention is attempted using the following scheme. Each process is assigned a unique timestamp, and is restarted with the same timestamp if killed. Let $P_h$ ... but starvation-free The scheme is neither deadlock-free nor starvation-free The scheme is both deadlock-free and starvation-free
Ishrat Jahan
asked
in
Operating System
Nov 2, 2014
by
Ishrat Jahan
13.2k
views
gateit-2004
operating-system
normal
deadlock-prevention-avoidance-detection
28
votes
4
answers
30
GATE IT 2004 | Question: 62
A disk has $200$ tracks (numbered $0$ through $199$). At a given time, it was servicing the request of reading data from track $120$, and at the previous request, service was for track $90$ ... Time First) and FCFS (First Come First Serve)? $2$ and $3$ $3$ and $3$ $3$ and $4$ $4$ and $4$
Ishrat Jahan
asked
in
Operating System
Nov 2, 2014
by
Ishrat Jahan
10.2k
views
gateit-2004
operating-system
disk-scheduling
normal
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