Computer Knowledge Practice Question and Answer

Q:

Choose the wrong statement from the following :

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  • 1
    You can save a document as PDF in Microsoft Word 2010.
    Correct
    Wrong
  • 2
    Ctrl+P shortcut key is used to print a file in MSWord 2010.
    Correct
    Wrong
  • 3
    Gmail is used to send and receive emails.
    Correct
    Wrong
  • 4
    POS terminal is an example of web browser.
    Correct
    Wrong
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Answer : 4. "POS terminal is an example of web browser."

Q:

 The errors that can be pointed out by the compiler are: 

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  • 1
    syntax error
    Correct
    Wrong
  • 2
    semantic error
    Correct
    Wrong
  • 3
    logical error
    Correct
    Wrong
  • 4
    run time error
    Correct
    Wrong
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Answer : 1. "syntax error "

Q:

What is the use of a Mobile Wallet?

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  • 1
    Dialling numbers and watching videos
    Correct
    Wrong
  • 2
    Calling
    Correct
    Wrong
  • 3
    Exchange of money
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "Exchange of money"
Explanation :

The mobile wallet can be used for the following functions:

1. Payment: Using a mobile wallet, you can make payments both online and offline. You can pay using your mobile wallet at any store, restaurant, or other business that accepts mobile wallets.

2. Money Transfer: Using a mobile wallet, you can transfer funds from your bank account to another person's bank account. You can send money to your friends, family, or any other person using a mobile wallet.

3. Recharge and bill payments: Using a mobile wallet, you can pay your mobile phone, data pack, electricity bill, water bill, and other bills.

4. Point of Sale (POS) Transactions: Using mobile wallets, you can make payments through POS machines. For POS transactions, you simply need to open your mobile wallet app and tap your phone on the POS machine to make a payment.

Q:

What is the shortcut key for pasting copied cell(s) or range in MS Excel?

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  • 1
    Ctrl + C
    Correct
    Wrong
  • 2
    Ctrl + X
    Correct
    Wrong
  • 3
    Ctrl + V
    Correct
    Wrong
  • 4
    Ctrl + A
    Correct
    Wrong
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Answer : 3. "Ctrl + V"
Explanation :

1. The shortcut key to paste the copied cell or range in MS Excel is Ctrl+V. Pressing this key will paste the copied data into the current cell or range.

2. If you want to paste the copied data at a new location, you can click on that location using the mouse or paste it using the Ctrl+V key combination.

3. Here are some other shortcut keys that can be used to paste data in MS Excel.

- Ctrl+C: Copy

- Ctrl+X: Cut

- Ctrl+V: Paste

- Ctrl+Shift+V: Paste Special

- Alt+E, S, V: Paste option

Q:

What is converted into information by computer process?

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  • 1
    Input
    Correct
    Wrong
  • 2
    Data
    Correct
    Wrong
  • 3
    Number
    Correct
    Wrong
  • 4
    All the statements are true
    Correct
    Wrong
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Answer : 2. "Data"

Q:

OTP is used as one of the additional security features for secure online transactions, what is the full form of OTP?

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  • 1
    Only time period
    Correct
    Wrong
  • 2
    One time period
    Correct
    Wrong
  • 3
    One Time Password
    Correct
    Wrong
  • 4
    Only time password
    Correct
    Wrong
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Answer : 3. "One Time Password"
Explanation :

1. The full form of OTP is One one-time password.

2. OTP is used as one of the additional security features for secure online transactions.

3. The OTP feature prevents certain types of identity theft by ensuring that a captured username/password pair cannot be used a second time.

4. The user's login name usually remains the same, and the one-time password changes with each login.

5. One-Time Password (aka One-Time Passcode) is a form of strong authentication, providing better security to eBanking, corporate networks, and other sensitive data systems.

Q:

Choose the most appropriate option from the following:

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  • 1
    Debit cards and credit cards can be used in electronic payment systems.
    Correct
    Wrong
  • 2
    The full form of OMR is Only a Magnetic Reader.
    Correct
    Wrong
  • 3
    Skype is an example of system software.
    Correct
    Wrong
  • 4
    The output quality of a printer is measured in Hz.
    Correct
    Wrong
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Answer : 1. "Debit cards and credit cards can be used in electronic payment systems."
Explanation :

An electronic payment system using debit cards and credit cards can be done in

Q:

A strong password should be:

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  • 1
    both uppercase and lowercase letters
    Correct
    Wrong
  • 2
    a word that is easy to remember, the name of the pet
    Correct
    Wrong
  • 3
    At least 8 words and a combination of letters, numbers and letters
    Correct
    Wrong
  • 4
    Your full name
    Correct
    Wrong
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Answer : 3. "At least 8 words and a combination of letters, numbers and letters"
Explanation :

1. To create a strong password, it can be made up of at least 8 words and a combination of letters, numbers and characters.

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