Computer GK Practice Question and Answer

Q:

When was the first operating system developed?

1529 0

  • 1
    1994
    Correct
    Wrong
  • 2
    1949
    Correct
    Wrong
  • 3
    1950
    Correct
    Wrong
  • 4
    1951
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "1950"

Q:

The _______ option in Windows splits the image between the computer and the projector whenever we connect the projector to the computer. In this way, you can display some scenes on your computer screen and some other scene on the projector screen.

1528 0

  • 1
    Computer only
    Correct
    Wrong
  • 2
    duplicate
    Correct
    Wrong
  • 3
    Extend
    Correct
    Wrong
  • 4
    Projector only (second screen only)
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Extend"
Explanation :

1. Extend in Windows divides the image between the computer and the projector whenever we connect the projector to the computer. In this way, you can display one scene on your computer screen and another scene on the projector screen.

Q:

Which of the following is not true for for-loop?

1522 0

  • 1
    for (i=0; i
    Correct
    Wrong
  • 2
    for (int i=0; i>9; i++)
    Correct
    Wrong
  • 3
    for (i=10; i
    Correct
    Wrong
  • 4
    for (i=10; i++; i
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "for (i=10; i++; i"
Explanation :

Among the given statements about for loops, the one that is NOT true is that they are used to replace user input while loops. While for loops are typically used for iterations with a known count and are less likely to result in an infinite loop if used correctly, they do not specifically replace user input while loops.

Q:

What is the function of the software?

1520 0

  • 1
    computer running
    Correct
    Wrong
  • 2
    Play Chess
    Correct
    Wrong
  • 3
    Fulfillment of mathematical and logical capability of the hardware
    Correct
    Wrong
  • 4
    None of these
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "Fulfillment of mathematical and logical capability of the hardware"

Q:

Joystick is mainly used for ________.

1516 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:

pen drive is

1515 0

  • 1
    a static secondary storage unit
    Correct
    Wrong
  • 2
    a magnetic secondary storage unit
    Correct
    Wrong
  • 3
    a removable secondary storage unit
    Correct
    Wrong
  • 4
    none of the above
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "a removable secondary storage unit"

Q:

CPU and memory are located in:

1515 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.

Q:

What is programming?

1514 0

  • 1
    to run the program
    Correct
    Wrong
  • 2
    to make a program
    Correct
    Wrong
  • 3
    the process of writing a program
    Correct
    Wrong
  • 4
    none of these
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 3. "the process of writing a program"

      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