How to Shutdown Windows Using Run Command

Here is how to shutdown Windows using run command. The command should be shutdown /p. That is, type shutdown /p in the run dialog box (opened by pressing windows key+ R) and press Enter. Your Windows computer will shutdown instantly. Remember that you may lose any unsaved works in open applications. This trick works in Windows 7, Windows 8 and Windows 10.

How to Create Logoff (Sign Out) Shortcut in Windows

You can create a shortcut file which when opened, instantly logs out or sign out the current user account from Microsoft Windows Operating System. This works in Windows 7, Windows 8 and Windows 10. To make a Log out shortcut on desktop, follow the given instructions.

1. Right click on desktop.
2. Select New -> Shortcut
3. Type shutdown /l  in the textbox
4. Click Next button
5. Give a name for the shortcut, like 'logoff', 'logout', 'signout' etc.
6. Now Click Finish.
7. No you will get a shortcut file on desktop

If you open this shortcut file, you will be logged out from your Windows computer. Remember, it is not shutting down. Just logging out. But, you will lose your unsaved works. In another post, we will see how to make shutdown, restart and hibernate shortcuts in windows.

All Road Signs in kerala and Their Meaning in Malayalam

In this post, we will see all kinds of road signs in Kerala (India) and their meaning in Malayalam. The traffic signs can be divided into three categories:

• Mandatory or Regulatory Road Signs
• Cautionary or Warning Road Signs
• Informatory Road Signs

Mandatory Road Signs

The following video shows almost all mandatory road signs used in Kerala. The meaning of each traffic sign is also given in the video.

Cautionary or Warning Road Signs

The following video shows almost all warning road signs or Cautionary road signs used in India. This kind of traffic signs give warnings to avoid accidents. The meaning of each warning traffic sign is also given in the video.

Informatory Road Signs

As the name suggests, the informatory road signs give information about petrol pump, hospital, restaurant, public telephone, resting place, first aid post, parking places etc. The meaning of each informatory traffic sign is also given in the video.

Mandatory, Warning and Informatory Road Signs and Meaning in Urdu

In this post, we will see all kinds of road signs India and their meaning in Urdu language. The traffic signs can be divided into three categories:

• Mandatory or Regulatory Road Signs  (لازمی یا ریگولیٹری روڈکے نشان)
• Cautionary or Warning Road Signs (انتباہ روڈکے نشان)
• Informatory Road Signs

Mandatory Road Signs

The following video shows almost all mandatory road signs used in India. The meaning of each traffic sign in Urdu is also given in the video.

Cautionary or Warning Road Signs

The following video shows almost all warning road signs or Cautionary road signs used in India. This kind of traffic signs give warnings to avoid accidents. The meaning of each warning traffic sign in Urdu is also given in the video.

Informatory Road Signs

As the name suggests, the informatory road signs give information about petrol pump, hospital, restaurant, public telephone, resting place, first aid post, parking places etc. The meaning of each informatory traffic sign is also given in the video.

All Road Signs in India and Their Meaning in Hindi

In this post, we will see all kinds of road signs (सड़क संकेत) used in India and their meaning in Hindi. The traffic signs used in India can be divided into three categories:

• Mandatory or Regulatory Road Signs (अनिवार्य या नियामक सड़क संकेत)
• Cautionary or Warning Road Signs (चेतावनी या सजग सड़क संकेत)
• Informatory Road Signs

Mandatory Road Signs

The following video shows almost all mandatory road signs used in India. The meaning of each regulatory or mandatory traffic sign in hindi is also given in the video.

Cautionary or Warning Road Signs

The following video shows almost all warning road signs or Cautionary road signs used in India. This kind of traffic signs give warnings to avoid accidents. The meaning of each warning traffic sign in Hindi language is also given in the video.

Informatory Road Signs

As the name suggests, the informatory road signs give information about petrol pump, hospital, restaurant, public telephone, resting place, first aid post, parking places etc. The meaning of each informatory traffic sign in Hindi is also given in the video.

Mandatory, Warning and Informatory Road Signs in English

In this post, we will see all kinds of road signs India and their meaning. The traffic signs can be divided into three categories:

• Mandatory or Regulatory Road Signs
• Cautionary or Warning Road Signs
• Informatory Road Signs

Mandatory Road Signs

The following video shows almost all mandatory road signs used in India. The meaning of each traffic sign is also given in the video.

Cautionary or Warning Road Signs

The following video shows almost all warning road signs or Cautionary road signs used in India. This kind of traffic signs give warnings to avoid accidents. The meaning of each warning traffic sign is also given in the video.

Informatory Road Signs

As the name suggests, the informatory road signs give information about petrol pump, hospital, restaurant, public telephone, resting place, first aid post, parking places etc. The meaning of each informatory traffic sign is also given in the video.

Logarithms, Antilogarithms, Mathematical and Statistical Tables PDF Download

PDF book with logarithm table, antilogarithm tables, mathematical tables and statistical tables. The contents of this PDF are:

Logarithms, Antilogarithms, Natural logarithms, Power, root and reciprocals of numbers, binomial distributions (values of nCr), Poisson distributions (values of e^-m), ordinates (standard normal distribution), normal distributions (area under standard normal curve), tables of values of t and z for t-test and z-tests, table value of x² and x² test, table values of F at 5% level of significance, table values of F at 1% level of significance, sum at the end of n^th year,  present value,total present value, constants of statistical quality control, random numbers.

Download Logarithms Antilogarithms, Mathematical and Statistical Tables PDF

Signals And Communication Systems Previous Year Question Paper - MGU Btech

Previous year question paper of Signals and Communication Systems paper of Fourth semester BTech Computer Science and Engineering degree under MG University (MGU)

B.TECH DEGREE EXAMINATION,MAY 2013 Fourth Semester

Branch : Computer Science and Engineering

CS 010 404-SIGNALS AND COMMUNICATION SYSTEMS (CS)

(New Scheme-2010 Admission onwards) 

[Regular/Improvement/Supplementary]

Time : Three Hours

Maximum:100 Marks

Part A

Answer all questions.

Each question carries 3 marks.

1. Write short notes on Quantisation.
2. Describe different communication channels.
3. Explain about Sample problems based on different modulation methods.
4. Compare Datagram's and virtual circuits.
5. What is Bar code?

(5*3=15 marks)

Part B

Answer all questions.

Each question carries 5 marks.

6. List the different types of signals and explain its properties.
7. Explain signal propagation delay and attenuation .
8. Explain pulse width modulation.
9. Describe in detail Wavelength division multiplexing.
10. Explain convolution coding.

(5*5=25 marks)

Part C

Answer all questions.

Each full question carries 12 marks.

11. (a) Explain sampling theorem with necessary diagrams.

Or

(b) Determine the Fourier transform of the signal.


12. (a) Draw and explain the Architecture of a Typical communication system. And explain the different types of noise.

Or

(b) Explain in detail different types of communication channels.


13. (a) Explain any three types of Pulse modulation techniques.

Or

(b) Explain the following types of modulation schemes (PSK,DPSK)


14. (a) Explain various switching methods.

Or

(b) Explain with block diagram Time Division Multiplexing (TDM) (Transmitter and Receiver section ).

15. (a) Write the following error correction and detection code with example:
Line coding schemes, block coding

Or

(b)Write short notes on ASCII, EBCDIC, Bar coding and Baudot coding

(5*12=60 marks)

Signals And Communication Systems Previous Year Question Paper - MG University BTech

This is the previous year question paper (2014 May) of signals and communication systems (SCS) paper of BTech Computer Science and Engineering under MG university (MGU).

B.TECH DEGREE EXAMINATION,MAY 2014 Fourth Semester

Branch : Computer Science and Engineering

CS 010 404-SIGNALS AND COMMUNICATION SYSTEMS (CS)

(New Scheme-2010 Admission onwards) [Regular/Improvement/Supplementary]

Time : Three Hours

Maximum:100 Marks

Part A

Answer all questions.

Each question carries 3 marks.

1. Enumerate the properties of the signals. Explain any two.
2. Define and explain Noise. List the types of noise
3. What is the difference between PPM and PDM ? Explain in detail.
4. What is the principle of WDM ? Mention the types of WDM.
5. Explain the properties of hamming codes.

(5*3=15 marks)

Part B

Answer all questions.

Each question carries 5 marks.

6. Define and explain CTFS .
7. Differentiate Twisted pair from coaxial cables. Explain.
8. What is OOK ? Bring out its mathematical representation .
9. Explain the principles of Half and Full duplex transmissions with neat diagrams.
10. Give an account on "Baudot code".

(5*5=25 marks)

Part C

Answer all questions.

Each full question carries 12 marks.

11. (i) State and explain sampling theorem.
(ii) Prove the properties of CTFS.

Or

12. Differentiate continuous time signals from discrete time signals with examples. Explain the difference.


13. Define and explain typical parameters of communication systems.

Or

14. State and explain Shannon Hartley theorem. Derive an expression for Channel capacity of a Noisy channel.


15. Explain AM,PM and FM in detail with neat diagrams. Bring out their mathematical representations.

Or

16. Compare and contrast the parameters of different modulation formats. Explain the comparison in detail.


17. Explain the principles of TDM and FDM in detail with neat diagrams .

Or

18. Explain the basic concept of SONET with neat diagrams.


19. Explain the properties and advantages of Linear block codes. Drive its code vector.

Or

20. Write technical notes on:
(i) EBCDIC
(ii) Parity coding
(iii) Syndrome calculator.

(5*12=60 marks)