Showing posts with label Computer Science. Show all posts
Showing posts with label Computer Science. Show all posts

7/01/2019

TN Chennai High Court Typist, Assistant, Computer Operator Recruitment. Total Vacancies: 573

7/01/2019 0
Chennai High Court
Chennai - 600 104
Tamil Nadu. 

Notification No.127/2019  Dated: 01.07.2019

Last Date to Apply Online: 31.07.2019

Vacancy Details

Name of the Posts: 
1. Computer Operator - 76 Posts
2. Typist - 229 Posts
3. Assistant - 119 Posts
4. Reader / Examiner - 142 Posts
5. Xerox Operator - 07 Posts

Total Vacancies: 573 Posts

Scale of Pay:
1. Computer Operator - Rs.20600-65600/-
2. Typist - Rs.19500-62000/-
3. Assistant - Rs.20000-63600/-
4. Reader / Examiner - Rs.19500-62000/-
5. Xerox Operator - Rs.16600-52400/-

Qualification: Refer Notification

Reservation: Refer Notification

How to Apply: Interested candidates should Apply Online Only.

For more details please visit Official Website: www.mhc.tn.gov.in




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3/07/2019

Teacher Recruitment Board (TRB) Computer Instructors Syllabus Download (PDF)

3/07/2019 0
Teacher Recruitment Board (TRB)
College Road
Chennai - 600 006
Tamil Nadu

Vacancy Details

Name of the Post: Computer Instructors Grade-I

Total Vacancies: 814 Posts

Scale of Pay: Rs.36900 – 116600/-

 Important Dates:
  • Online Application Form Open On: 10.03.2019
  • Last Date of Online Submission: 10.04.2019

For more details please visit TRB official website: http://trb.tn.nic.in/

For Download detailed notification: http://trb.tn.nic.in/CI_2019/ci_2019.pdf

Download Syllabus: Click Here

TNPSC Master Youtube Channel:

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12/24/2018

Tirunelveli District Court Computer Operator, Office Assistant and Watchman Jobs Recruitment - 2018

12/24/2018 0
Tirunelveli District Court Computer Operator, Office Assistant and Watchman Jobs Recruitment - 2018
Tirunelveli District Court
Tirunelveli - 627 002
Tamil Nadu.

Last Date to Apply: 31.12.2018

Vacancy Details

Name of the Post
1. Computer Operator - 05 Posts
2. Reader - 07 Posts
3. Senior Bailiff - 06 Posts
4. Junior Bailiff - 37 Posts
5. Xerox Machine Operator - 02 Posts
6. Office Assistant - 32 Posts
7. Masalchi cum Night Watchman - 14 Posts
8. Sweeper - 03 Posts
9. Sanitary Worker - 03 Posts

Total Number of Vacancies: 109 Posts

Salary Details:
1. Computer Operator - Rs.20600-65500/-
2. Reader - Rs.19500 - 62000/-
3. Senior Bailiff - Rs.19500 - 62000/-
4. Junior Bailiff - Rs.19500 - 62000/-
5. Xerox Machine Operator - Rs.16600 - 52400/-
6. Office Assistant - Rs.15700 - 50000/-
7. Masalchi cum Night Watchman - Rs.15700 - 50000/-
8. Sweeper - Rs.15700 - 50000/-
9. Sanitary Worker - Rs.15700 - 50000/-

Mode of Selection: The Selection of the candidates will be based on Written test and Oral Interview. Date, venue and time of the Written test and Interview will be intimated later in this website.

How to Apply: Interested candidates should download the application form and filled in application form should reach to the following address.
à®®ுதன்à®®ை à®®ாவட்ட நீதிபதி 
à®®ுதன்à®®ை à®®ாவட்ட நீதிமன்றம் 
திà®°ுநெல்வேலி - 627 002,
தமிà®´் நாடு.

For Download Detailed Notification and Application Form: 
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12/20/2018

Important Short Notes On ICT For All Competitive Exams -Part -1

12/20/2018 0
Important Short Notes On ICT For All Competitive Exams -Part -1

Computer:Computer is an electronic device which is used to store the data, as per given instructions it gives results quickly and accurately.

Main characteristics of a computer:
A computer is a programmable machine. The two main characteristics of a computer are:
  1. It responds to a specific set of instructions in a well-defined manner. 
  2. It can execute a pre-recorded list of instructions or a program.
Basic Concepts of Computer:
Data : Data is a raw material of information.
Information : Proper collection of the data is called information.

Characteristics of Computer:
The characteristics of computers that have made them so powerful and universally useful are speed, accuracy, diligence, versatility and storage capacity. Let us discuss them briefly.
  • SPEED : In general, no human being can compete to solving the complex computation, faster than computer.
  • ACCURACY : Since Computer is programmed, so what ever input we give it gives result with accuratly.
  • STORAGE : Computer can store mass storage of data with appropriate formate.
  • DILIGENCE : Computer can work for hours without any break and creating error.
  • VERSATILITY : We can use computer to perform completely different type of work at the same time.
  • MEMORY : It can save and store a large collection of data for us.
Computer and its components:
  1. Central Processing Unit (CPU): The ‘brain’ of the computer, the component that actually executes instructions.
  2. Memory : It enables a computer to store, at least temporarily, data and programs.
  3. Input device : Usually a keyboard or mouse is used to read data and programs into the computer.
  4. Output device: A display screen, printer, etc. that lets you see what the computer has accomplished.
  5. Mass storage device: It allows a computer to permanently store large amounts of data. Common mass storage devices include disk drive and tape drive.
Computer Software : Software is a logical program to handle/solve the complex problem.
Types Of Software:
  • System Software : This is special type of software which is responsible for handle the whole computer system.
  • Application Software : This is special type of software which is used to solve a particular problem.
  • Embeded Software : This type of software embeded with hardware to do a specific type of job.
  • Proprietary Software : In general, this type of software require to purchase to use that particular software for the some time or single user as per conditioned by the vendor of that particular software.
  • Open Source Software : This type of software may be freely available and can not be use in commercially. We can modify, and use it under the same license.
Functions and Components of a Computer:

To function properly, the computer needs both hardware and software.A computer does mainly the following four functions:

1. Receive input: Accept data/information from outside through various input devices like the keyboard, mouse, scanner, etc.
2. Process information: Perform arithmetic or logical operations on data/information.
3. Produce output: Communicate information to the outside world through output devices like monitor, printer, etc.
4. Store information: Store the information in storage devices like hard disk, floppy disks, CD, etc.

Computer Languages
Machine Level Language: This is low level programming language. Computer or any electronic device only understand this language. i.e. Binary number i.e 0 and 1.
Assembly Level Language: This is a low level programming language which is converted into executable machine code by a utility programmer referred to as an assembler.
High Level Language: High level language is a programming language which is easily understandable/readable by human.
Interpreter: This is a converter which converts high level language program to low level language program line by line.
Compiler: This is also a converter which converts whole high level language program to low level language program at a time.

Number System:
  1. Binary Number System : It has only base 2 i.e 0 and 1
  2. Octal Number System  : Base of octal is 8 i.e. 0, 1, 2, 3, 4, 5, 6, 7
  3. Decimal Number System : Base of Decimal is 10 i.e. 0 1 2 3 4 5 6 7 8 9
  4. Hexadecimal Number System : Base of this number system is 16 i.e. 0 1 2 3 4 5 6 7 8 9 A B C D E F
How the CPU and Memory work?

The working of the CPU and memory involves different steps for different tasks. let us consider steps involved in the multiplication of two numbers.
Step 1: The control unit recognizes that the program has been loaded into the memory. It begins to execute the first step in the program.
Step 2: The program tells the user, "Enter 1st Number".
Step 3: Suppose the user types the number 100 on the keyboard. An electronic signal is sent to the CPU.
Step 4: The control unit recognizes this signal and routes the signal to an address in memory - say address 7.
Step 5: After completing the above instruction, the next instruction tells the user,"Enter 2nd Number."
Step 6: Let us assume that the user types the number 4 on the keyboard. An electronic signal is sent to the CPU.
Step 7:  Now the control unit recognizes this signal and routes it to memory address 8.
Step 8:The next program instruction is executed - "Multiply 1st and 2nd Numbers."
Step 9: To execute this instruction, the control unit informs the ALU that two numbers are coming and the ALU is to multiply them. The control unit next sends to the ALU a copy of the contents of address 7 (100) and address 8(4).
Step 10: ALU performs the multiplication : 100 × 4 = 400
Step 11:  The control unit sends a copy of the multiplied result (400:) back to memory to store it in address 9.
Step 12: The next program instruction is executed : "Print the Result."
Step 13: To execute this instruction, the control unit sends the contents of the address 9 (400) to the monitor.
Step 14:  Monitor displays the value 400.
Step 15: Final instruction is executed: "End". The program is complete.
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10/04/2018

NTA UGC NET Exam : Computer Science Mock Test on Computer Graphics

10/04/2018 0



This Quiz is posted with the sole aim of guiding the aspirants of UGC-NET /CSIR -NET Exam to the path of success. To sharpen the edges of your own intelligence and practice, in a structured and concrete manner to ensure you definite Success in your endeavor and will Pave your way for a successful career in Teaching (or) Research Profession . All the very best...... Knock the door of success......






  1.  Hue of a colour is related to its ____.


    1.  wavelength

    2.  saturation

    3.  luminance

    4.  incandescence







  2. What is the basic elements of a picture in volume graphics?


    1.  volsel

    2.  voxel

    3.  pixel

    4.  bicel







  3. Random scan monitors are also called as ____.


    1.  vector display

    2.  calligraphic display

    3.  stroke writing display

    4.  all of the above







  4. What is the best hidden surface removal algorithm?


    1.  depth buffer

    2.  painters

    3.  depends on the application

    4.  area subdivision







  5. Which of the following devices has a relative origin?


    1.  monitor

    2.  joystick

    3.  track ball

    4.  mouse







  6. Engineering drawing commonly applies ____.


    1.  perspective projection

    2.  orthographic projection

    3.  oblique projection

    4.  all of the above 







  7. Parabola can be got from a right circular cone, by cutting it through a plane that is ____.


    1.  perpendicular to the axis of the cone

    2.  a tangent to the cone 

    3.  parallel to the side of the cone

    4.  parallel to the axis of the cone







  8.  What is a viewgraph?


    1.  It is designed and created by exposing film to the output of the graphics system

    2.  It is a hard copy chart

    3.  Both (A) & (B)

    4.  Its an oversized slide designed for presentations on an overhead projector







  9. The anti-aliasing technique which allows shift of 1/4, 1/2 and 3/4 of a pixel diameter enabling a closer path of a line is _____.


    1.  bi phasing

    2.  pixel phasing

    3.  filtering

    4.  sampling technique







  10. Fractals deals with curves that are ____.


    1.  regularly irregular

    2.  regularly regular

    3.  irregularly irregular

    4.  irregularly regular























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