Computer Knowledge Practice Question and Answer

Q:

The quantity produced by a computer is?

1642 0

  • 1
    memory
    Correct
    Wrong
  • 2
    data
    Correct
    Wrong
  • 3
    output
    Correct
    Wrong
  • 4
    input
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "output"

Q:

The shortcut key for “Replace” is?

1638 0

  • 1
    Shift + H
    Correct
    Wrong
  • 2
    Shift + Ctrl + R
    Correct
    Wrong
  • 3
    Ctrl + R
    Correct
    Wrong
  • 4
    Ctrl + H
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Ctrl + H "

Q: Operating system functions may include 1606 0

  • 1
    multiprogramming
    Correct
    Wrong
  • 2
    input/output control
    Correct
    Wrong
  • 3
    virtual storage
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: An operating system has three main functions: (1) manage the computer's resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software.

Q:

Which of the following is 3rd layer of OSI Model? 

1599 2

  • 1
    Network layer
    Correct
    Wrong
  • 2
    Session layer
    Correct
    Wrong
  • 3
    Physical layer
    Correct
    Wrong
  • 4
    Application layer
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Network layer "

Q:

Which is the longest key on the keyboard?

1595 0

  • 1
    Home
    Correct
    Wrong
  • 2
    Enter
    Correct
    Wrong
  • 3
    Space bar
    Correct
    Wrong
  • 4
    Shift
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Space bar"

Q:

NOS stands for _______

1590 0

  • 1
    Node operating system
    Correct
    Wrong
  • 2
    Non-open software
    Correct
    Wrong
  • 3
    Network Operating system
    Correct
    Wrong
  • 4
    Non-operating software
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Network Operating system"

Q:

Which of the following screen lock is available on Android devices?

1588 0

  • 1
    Pattern
    Correct
    Wrong
  • 2
    Pin
    Correct
    Wrong
  • 3
    Password
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "All of the above"

Q:

Database If users want to share MS-Access 2010 or are using MS Access 2003 or earlier and are using other users together then the user should use the following file format?

1577 0

  • 1
    .Accdb
    Correct
    Wrong
  • 2
    .adb
    Correct
    Wrong
  • 3
    .mdb
    Correct
    Wrong
  • 4
    .Vdb
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. ".mdb"

      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