Computer Questions Practice Question and Answer

Q: What cannot be performed from the windows task manager? 25415 0

  • 1
    Open a program
    Correct
    Wrong
  • 2
    Check recent CPU usage
    Correct
    Wrong
  • 3
    Delete a program from the hard drive
    Correct
    Wrong
  • 4
    View what applications are running in the background
    Correct
    Wrong
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Answer : 3. "Delete a program from the hard drive"
Explanation :

Answer: C) Delete a program from the hard drive Explanation: The task manager enables you to monitor processes, applications and services currently running on your computer. You can use it to start and stop programs and processes. In addition, you can use the task manager to show informative stats about your PC’s performance and network.   Hence, to delete a program from the hard drive, you have to go to the control panel to uninstall an application properly.

Q: Merge cells option can be applied from? 20831 0

  • 1
    Format Cells dialog box Alignment Tab
    Correct
    Wrong
  • 2
    Formatting toolbar
    Correct
    Wrong
  • 3
    Both of above
    Correct
    Wrong
  • 4
    None of above
    Correct
    Wrong
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Answer : 1. "Format Cells dialog box Alignment Tab"
Explanation :

Answer: A) Format Cells dialog box Alignment Tab Explanation:

Q: Which of the following data structure is linear type? 17509 0

  • 1
    Tree
    Correct
    Wrong
  • 2
    Binary Tree
    Correct
    Wrong
  • 3
    Queue
    Correct
    Wrong
  • 4
    Graph
    Correct
    Wrong
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Answer : 3. "Queue"
Explanation :

Answer: C) Queue Explanation: A data structure is a specialized format for organizing and storing data. General data structure types include the array, the file, the record, the table, the tree, and so on. Any data structure is designed to organize data to suit a specific purpose so that it can be accessed and worked with in appropriate ways.   Linear data structure: A linear data structure traverses the data elements sequentially, in which only one data element can directly be reached. Ex: Arrays, Linked Lists, Stack, Queue, Any type of List all are linear.   Trees like Binary Tree, B Tree or B+ Tree are examples of non linear data structure.

Q: The computer that process both analog and digital is called 11880 1

  • 1
    Hybrid computer
    Correct
    Wrong
  • 2
    Mainframe computer
    Correct
    Wrong
  • 3
    Digital computer
    Correct
    Wrong
  • 4
    Analog computer
    Correct
    Wrong
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Answer : 1. "Hybrid computer"
Explanation :

Answer: A) Hybrid computer Explanation: The computer that process both analog and digital is called Hybrid computer.

Q: Which of the following virus overtake computer system, when it boots and destroy information  ? 10228 7

  • 1
    System infectors
    Correct
    Wrong
  • 2
    Trojan
    Correct
    Wrong
  • 3
    Stealth virus
    Correct
    Wrong
  • 4
    Boot infectors
    Correct
    Wrong
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Answer : 3. "Stealth virus"
Explanation :

Answer: C) Stealth virus Explanation:

Q: Delayed payload of some viruses is also called as _____ 9370 2

  • 1
    Bomb
    Correct
    Wrong
  • 2
    Late - Virus
    Correct
    Wrong
  • 3
    Time
    Correct
    Wrong
  • 4
    Anti-virus
    Correct
    Wrong
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Answer : 1. "Bomb"
Explanation :

Answer: A) Bomb Explanation:

Q: The flow of information through MIS is 9284 0

  • 1
    organization dependent
    Correct
    Wrong
  • 2
    information dependent
    Correct
    Wrong
  • 3
    management dependent
    Correct
    Wrong
  • 4
    need dependent
    Correct
    Wrong
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Answer : 4. "need dependent"
Explanation :

Answer: D) need dependent Explanation: The flow of information through MIS - Management Information System is Need dependent. The backbone of any organization is Information. The information of MIS comes from both internal and external sources.

Q: The difference between a virus and a self-replicating program which is like a virus is that rather than creating copies of itself on only one system it propagate through computer network. What is that called as _____ 8047 2

  • 1
    Keylogger
    Correct
    Wrong
  • 2
    Worm
    Correct
    Wrong
  • 3
    Time Bomb
    Correct
    Wrong
  • 4
    Cracker
    Correct
    Wrong
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Answer : 2. "Worm"
Explanation :

Answer: B) Worm Explanation:

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