Computer Awareness Very Important An example of a wireless Medium that sends data through the air or space is: (1) Fiber-optic cable. (2) Coaxial cable. (3) Twisted pair. (4) Microwaves. (5) None of these Ans – Microwaves. [2]. To reverse the effect of your last action in word ———— (1) Use the cut command (2) Use the Undo command (3) Press the delete key (4) Use the Redo command (5) None of these Ans – Use the Undo command [3]. Information that comes from an external source and fed into computer software is called ……….. (1) Output (2) Input (3) Throughput (4) Reports (5) None of these Ans – Input [4]. The basic unit of a worksheet into which you enter data in Excel is called a– (1) tab (2) box (3) range (4) cell (5) None of these Ans – cell [5]. All of the following are examples of real security and privacy risks EXCEPT (1) hackers (2) viruses (3) Spam (4) identity theft (5) None of these Ans – Spam [6]. Which of the following is not an example of hardware? (1) Scanner (2) Printer (3) Monitor (4) Mouse (5) Interpreter Ans – Interpreter [7]. In Excel, this is a prerecorded formula that provides a shortcut for complex calculations……… (1) Value (2) Data Series (3) Function (4) Field (5) None of these Ans – Function [8]. The process of trading goods over the Internet is known as ………….. (1) e-selling-n-buying (2) e-trading (3) e-finance (4) e-salesmanship (5) e-commerce Ans – e-commerce [9]. A device that connects to a network without the use of cables is said to be– (1) distributed (2) free (3) centralized (4) open source (5) None of these Ans – free [10]. Which of the following is a circuit that issue signals at regular intervals…? (1) Circuit board (2) Clock (3) Circuit card (4) Gates (5) None of these Ans – Clock
Posted on: Sat, 01 Nov 2014 16:13:22 +0000
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