Computer Knowledge Practice Question and Answer

Q:

What type of software is Raj e-Wallet?

1597 0

  • 1
    Document Management System
    Correct
    Wrong
  • 2
    Network Management System
    Correct
    Wrong
  • 3
    Software Management System
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Document Management System"
Explanation :

1. Rajasthan Government has started the online service of “Raj e-Vault”.

2. The Rajasthan Government has launched a digital document manager in the form of an online portal “Raj e-Vault”

3. Once you have created your e-vault, all the documents which are related to the government.

4. Visit the official website of Raj e-Vault using your Aadhaar ID; An OTP will be sent to your registered mobile number. Enter the OTP and start uploading your documents.

Q:

What types of charts can be created using Microsoft Excel 2010?

1596 0

  • 1
    Line chart and Pie chart only
    Correct
    Wrong
  • 2
    Line graph only
    Correct
    Wrong
  • 3
    Bar chart, Line graph and Pie chart
    Correct
    Wrong
  • 4
    Bar chart and line graph only
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Bar chart, Line graph and Pie chart"

Q:

Joystick is mainly used for ________.

1594 0

  • 1
    to control the sound on the screen
    Correct
    Wrong
  • 2
    Computer gaming
    Correct
    Wrong
  • 3
    Text Enter
    Correct
    Wrong
  • 4
    print text
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Computer gaming"
Explanation :

1. Joystick is mainly used for computer gaming.

2. What is Joystick? It is a small device whose primary purpose is to control an appliance. It works as an input device and helps the user navigate in different directions.

3. With the joystick, you can change your device by moving it up, down, left or right. It works according to the input you give and helps you control the device by tilting or rotating it.

Q:

Who built the first mechanical calculator?

1593 0

  • 1
    John Maukley
    Correct
    Wrong
  • 2
    Blaise Pascal
    Correct
    Wrong
  • 3
    Howard Icon
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Blaise Pascal"

Q:

Following are the types of LCD Panel:

1591 0

  • 1
    Flat Panel and Laser
    Correct
    Wrong
  • 2
    Normal and Roof Mounted
    Correct
    Wrong
  • 3
    Mesh Model and Curved
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Normal and Roof Mounted"
Explanation :

1. LCD panel types include normal and roof-mounted.

2. Liquid Crystal Display flats are thinner and lighter making them more useful and easier for users than CRTs. It consumes less power than CRT.

Q:

Which data transport medium has the highest data transfer rate?

1591 0

  • 1
    Twisted Cable
    Correct
    Wrong
  • 2
    Co-Axial Cable
    Correct
    Wrong
  • 3
    Optical Fiber
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Optical Fiber"
Explanation :

1. Optical fibres use total internal reflection to transfer data. The primary condition for total internal reflection is that the signal must travel from an optically denser medium to an optically rarer medium. Secondly, the angle of incidence must be greater than the critical angle.

Q:

Types of networks is___

1591 0

  • 1
    Local Area Network
    Correct
    Wrong
  • 2
    Metropolitan Area Network
    Correct
    Wrong
  • 3
    Wide Area Network
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "All of the above"

Q:

CPU and memory are located in:

1588 0

  • 1
    Extension Board
    Correct
    Wrong
  • 2
    Motherboard
    Correct
    Wrong
  • 3
    Storage device
    Correct
    Wrong
  • 4
    Output device
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "Motherboard"
Explanation :

1. The motherboard acts as a platform to connect all of the computer's components together.

2. It connects the CPU, memory, hard drive, optical drive, video card, sound card, and other ports and expansion cards directly or through cables.

3. It can be considered as the backbone of the computer.

4. The CPU is the brain of the computer, and it is responsible for executing program instructions and processing data. Memory provides short-term storage for computers,

5. It stores program instructions and data that is used by the CPU.

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully