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Nisha Mittal

In this course Nisha Mittal will provide solutions of computer Network questions for NTA NET computer science, KVS PGT COMPUTER SCIENCE exams

Prepare for UGC NET 2019 by watching our free online lessons covering UGC Net syllabus and also helping you solve Previous year question papers. Pursue your dream of JRF.

NTA-UGC-NET & SET Exams

Hindi

(Hindi) Numericals of Computer Network: NTA-UGC NET

Introduction

Data Comm. & Computer Networks

Computer Science & Application

NET Exams

Ace the toughest competitive and government exams in India 

Test Preparation

Overview of the Course (in Hindi)

Bitrate and Baud Rate Concept (in Hindi)

Calculate Bit Rate and Baud Rate (in Hindi)

What is the Required Bitrate of the Channel? (in Hindi)

What is the Maximum Size of Data Downloaded? (in Hindi)

Find Total Overhead Time Using Synchronous Transmission (in Hindi)

How many 8bit characters can be transmitted over serial communication( in Hindi )

How many bytes of data can be sent in 15 seconds over a serial link( in Hindi )

In  serial  communication  employing 300 8 data  bits,  a  parity  bit  and the  minimum  band rate  required  to  sustain  a  transfer  rate of characters  per second  is 2400 band 19200 4800 band band 1200 band

In serial communication the minimum band rate required (in Hindi )

A  network  with  bandwidth  of 10  Mbps  can  pass  only  an  average  of 15,000 frames  per  minute  with  each  frame  carrying an  average  of  8,000  bits.  What  is the  throughput  of  this  network  ? (A)  2  Mbps (B)  60  Mbps (C)  120  Mbps (D)  10  Mbp

What is the throughput of this network ?( in Hindi )

A device  is  sending  out  data  at the  rate of  2000  bps.  How  long  does  it  take  to  send a  file  of  1,00,000  characters  ? (A) 50 (B)  200 (C)  400 (D) 800

How long does it take to send a file of 1,00,000 characters ? ( In Hindi )

An image is 1024* 800 pixels with 3 bytes/pixel. Assume the image is uncompressed. How long does it make to transmit it over a 10 Mbps Ethernet?

1.196.6 seconds
2.19.66 seconds
3.1.966 seconds
4.0.1966 seconds

How long does it take to transmit an uncompressed image( in Hindi )

Synchronous and asynchronous transmission( in Hindi )

How many extra bits per second does receiver receive if the data rate is1Mbps?( In Hindi)

Images  tend  to  be  very  large  collection  of data.  The  size  of memory required  for a 1024  by  1024 image  in  which  the colour number,  (in  an  8 bit  machines)  is (A) n × 8  MB (B)  n  /  8 MB (C)  (1024 × 1024) /  8 MB (D)  1024  MB

Which the colour number,(in an 8 bit machine) (in Hindi )

How  many characters  per  second  (7  bits  +  1  parity)  can  be  transmitted  over a 3200 bps  line  if the  transfer  is  asynchronous  ?  (Assuming  1 start  bit  and  1 stop  bit) (A)300 (B)  320 (C)  360 (D)  400

How many characters per second(7bits +1 parity)can be transmitted over a 3200bps (in Hindi )

Given  an  image  of  size  1024×1024 pixels  in  which  intensity of each pixel is an 8- bit  quality.  It  requires  _______  of  storage space  if  the  image  is  not  compressed.

Given an image of size 1024×1024 pixels ,find storage for uncompressed image( in Hindi)

What  is  the  bit  rate  for  transmitting  uncompressed  800 frames  with  8  bits/pixel  at  40 frames/second  ? (A) 2.4  Mbps (B) 15.36 Mbps (C) 153.6 Mbps (D) 1536 Mbps

What is the bit rate for transmitting uncompressed 40 frames (in Hindi)

A terminal  multiplexer  has  six  1200 bps  terminals  and  ‘n’  300 bps  terminals connected  to  it. If the  outgoing  line  is  9600 bps,  what  is  the  value  of n ? (A) 4 (B)  8 (C)  16 (D)  28

A terminal multiplexer has six 1200bps terminals and ‘n’ 300 bps terminals connected ( in Hindi)

A  server  crashes  on  the  average  once  in  30 days,  that  is,  the  Mean  Time  Between Failures  (MTBF)  is  30 days.  When  this  happens,  it  takes  12 hours  to  reboot  it, that is,  the  Mean  Time  to  Repair  (MTTR)  is  12 hours.  The  availability of server  with these  reliability  data  values  is  approximately  : (1) 96.3% (2)  97.3% (3)  98.3% (4)  99.3%

The availability of server with these reliability data values is approximately (in Hindi )

A  network  with  bandwidth  of  10  Mbps  can  pass  only  an  average of  12,000  frames  per  minute  with  each  frame  carrying  an  average (1) of  10,000  bits.  What  is  the  throughput  of  this  network  ? 1  Mbps (2)  2  Mbps (3)  10  Mbps (4)  12  Mbps

What is the throughput of this network?( In Hindi)

A  program  P  calls  two  subprograms  P1  and  P2.  P1  can  fail 50% times  and  P2  40% times.  Then  P  can  fail (A) (B)  60% (C)  10% (D)  70%

Find total failure rate of a software( in Hindi )

A  signal  processor  software  is  expected  to  operate  for  91.25  days  after  repair, and  the  mean  software  repair  time  is  expected  to  be  5  minutes.  Then,  the availability  of  the  software  is  : (1) 96.9862% (2)  97.9862% (3) 98.9962% (4) 99.9962%

Find the availability of the software ( in Hindi )

MTBF = 25 days ,MTTR = 6 hours find availability of software ( in Hindi )

How many address bits are required to represent 4K memory (in Hindi )

Which of the following memories stores the most number of bits( in Hindi )

How many address bits are required to represent a 32 K memory( in Hindi )

Hamming distance gate numerical (in Hindi )

How many address and data bits required (in Hindi )

RSA given two prime numbers p = 19 and q = 23, find n and phi( in Hindi )

Which is the application level protocol used( in Hindi )

In this course we will cover all important topics of computer Network related to network security .
Cryptography and it's types for example secret key algorithm, public key algorithm for NTA NET computer science, KVS PGT aspirants

(Hindi) Network Security for NTA NET

In this course Nisha Mittal will provide solutions of questions of optimization for NTA NET computer science examination.

(Hindi) Optimization for NTA NET Computer Science

In this course we are going to start computer Network's most important topics for NTA NET computer science. IP ADDRESSING , Classes in IP adddressing, Subnetting, Supernetting

(Hindi) Computer Network IP addressing

This course is very important for NTA NET computer science aspirants as we are going to discuss subnetting topic of computer Network here in detail .In this couse you 'll learn techniques to solve questions in exam in less time .

(Hindi) Subnetting in Detail - NTA UGC NET

Completed Post Graduate in Computer
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Sangamesh 

In this course we learn logic gates from digital electronics for NTA NET Exam.

Logic Gates for NTA-NET Exam (Digital Electronics)

Rashmi Vishwakarma

Today in IT, one word data science is making boom. everyone wants to know about. Here I tried to explain some basic of data science.These basic will be helpful in learning data mining and ware housing. As well I will also explain algorithms for clustering, classification, frequent pattern mining , prediction, association analysis and many more topics,which are helpful in Machine learning.

Lessons

31 lessons • 2h 22m