Quiz-1 Computer Awareness

Quiz-1 Computer Awareness

  1. Computers used the__________ number systems to store data and perform calculations.

(1) binary                     (2) octal                    (3) decimal             (4) hexadecimal

Explanation : 1

Binary (or “base-2”) a numeric system that only uses two digits- 0 and 1. Computers operate in binary, meaning they store data and perform calculations using only zeros and ones.

 

  1. What displays the contents of the active cell in Excel?

(1) Name box               (2) Row heading      (3) Formula Bar     (4) Task panel

Explanation : 3

By Vangie Beal A toolbar at the top of the Microsoft Excel spreadsheet window that you can use to enter or copy an existing formula in to cells or charts.By clicking the Formula Bar, or when you type an equal (=) symbol in a cell, the Formula Bar will activate.

 

  1. The content of_______________ are lost when computer turn off.

(1) storage                    (2) input                   (3) output               (4) memory

Explanation : 4

Generally, Memory refers to “Volatile Memory”, which loses it’s content when powered off, and Storage refers to “Non-Volatile Memory” which can retain data even without power.

There are 2 types of memory:

  1. Volatile Memory : Volatile memory is computer memory that requires power to maintain the stored information; it retains its contents while powered on but when the power is interrupted the stored data is lost very rapidly or immediately. Ex. RAM or Main Memory of a computer. This type of memory is also called just “Memory”.
  2. Non-Volatile Memory: Non-volatile memory is typically used for the task of secondary storage, or long-term persistent storage. Ex: Hard Disks, DVDs, CDs, Pen Drives

For Details see:

https://en.wikipedia.org/wiki/Volatile_memory

https://en.wikipedia.org/wiki/Non-volatile_memory

 

  1. To reload a web page, press the _______ button

(1) redo                        (2) Refresh               (3) restore               (4) ctrl

Explanation : 2

 

  1. A(n) ________________ is a special visual and audio effect applied in power point to text or content.

(1) animation               (2) flash                    (3) wipe                  (4) dissolve

Explanation : 1

 

  1. The process of a computer receiving information from a server on the Internet is known as—

(1) pulling                    (2) pushing               (3) downloading    (4) transferring

Explanation : 3

 

  1. Sending an e-mail is similar to—

(1) picturing an event  (2) narrating a story

(3) writing a letter                                         (4) creating a drawing

Explanation : 3

 

  1. What is an e-mail attachment?

(1) A receipt sent by the recipient

(2) A separate document from another program sent along with an e-mail

(3) A malicious parasite that feeds on your messages and destroys the contents

(4) A list of CC or BCC recipients

Explanation : 2

 

 

  1. Linux is an example of_________

(1) freeware                 (2) open source software                        (3) shareware

(4) complimentary

Explanation : 2

Linux is an Open Source Computer Operating System.

See wikipedia link : https://en.wikipedia.org/wiki/Linux

Open Source softwares  are softwares for which the original source code is made freely available and may be redistributed and modified.

Windows is also and Operating System but it is not Open Source as Microsoft owns the source code and does not allow Non-Microsoft Developers to access the source code of Windows.

Meaning of other options :

Freeware means software that is available free of charge.

Shareware means software that is available free of charge and often distributed informally for evaluation, after which a fee may be requested for continued use.

Complimentary Software is a software that is provided free of cost with another software for which you are charged. Ex: When you buy Microsoft Windows you get an anti-virus software called “Windows Defender” for free.

 

  1. Expansion cards are inserted into

(1) slots                        (2) peripheral devices                              (3) the CPU              (4) None of these

Explanation : 1

Expansion Card is a circuit board that can be inserted in a computer to give extra facilities or memory.

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