COMPUTER HSSC-I (2012)
SECTION-A

  NOTE:- Section-A is compulsory. All parts of this section are to be answered on the question paper itself. It should be completed in the first 25 minutes and handed over to
the Centre Superintendent Deleting/overwriting is not alloweD. Do not use lead pencil.

Ql. Circle the correct option i.e. A/B/C/D. Each part carries one mark.

• In each network node is connected  to a central device called a huB.

A. Ring Topology         
B. Bus Topology 
C. Star Topology           
D. Network Topology

• EGA stands for
  

A. Electrical Graphics Adaptor            
B. Enhanced Graphics Adaptor
C. Electronic Graphic Adaptor              
D. Electrical Ground Application

• Which Layer of 081 Model furnishes electrical connections and signaling?
  

A. Network Layer                           
B. Data-link Layer
C. Physical Layer                          
D. Presentation Layer

• In half-duplexmode data can be sent in
  

A. One direction                        
B. Both the directions
C. Multi directions                      
D. Uni-direction

• The data Communication Speed is measured in a Unit     called
  

A. Band          
B. Baud         
C. Bit           
D. Byte

• Which register holds data addresses that refer to the dataportion of memory?
  

A. Program Counter              
B. Accumulator
C. Data Address Register                   
D. Instruction Register

• The Address Bus is
  

A. Uni-directional                      
B. Bi-directional
C. Multi-directional                      
D. Tri-directional

• E-Commerce stands for
  

A. Enhanced-Commerce                       
B. Electrical-Commerce
C. Electronic-Commerce                     
D. None of these

• Which branch of law protects creative works from unauthorized use by other people?
  

A. Criminology                        
B. Copyright      
C. Anthropology                     
D. None of these

• Drag and Drop technique allows us to
  

A. Copy            
B. Cut             
C. Restore        
D. None of these

• Which of the following is used for copying and moving files and folders?
  

A. Internet Explorer                      
B. Control Panel
C. Windows Explorer                       
D. Windows Accessories

• A central feature of all word processors is a feature known as
  

A. Word Wrap            
B. Mail Merge     
C. Bold 1 Italic            
D. Header Footer

• Windows also has a mailing program called:
  

A. E-mail Utilities                     
B. Win Zip program
C. Navigator                              
D. Out look Express

• The roots of Internet can be traced back to the late
  

A. 1970s           
B. 1960s         
C. 1985                 
D. 1994

• The basic and most elementary form of information is called
  

A. DATA           
B. TEXT           
C. Voice           
D. IMAGE

SECTION –B

Q.2 Attempt ant THIRTEEN parts. The answer to each part should not exceed 5 to 6 lines.

• Differentiate between Impact and Non-Impact printers.
  
• Distinguish between Computer Hardware and Software
  
• What is meant by Communication Speed,
  
• Define Computer Aided Designing (CAD) and Computer Aided Manufacturing (CAM)
  
• Define E-Commerce
  
• Define Server.
  
• Define OSI Model Name the Layers in OSI model
  
• Write short notes on:
  A. Retail             
  B. Computer Simulation
  
• Define Buses List the various types of Buses used in Computer Circuits.
  
• What is Microprocessor'?
  
• Define ALU, CU and CPU
  
• Define Utilities Write down any two facilities provided by Utilities.
  
• Write a short note on Anti-Virus Software
  
• What is Copyright?
  
• Differentiate between Multitasking and Multiprogramming.
  
• Mention any three important rules for naming files and folders
  
• What is Thesaurus and Mail merge?

SECTION - C

Note:- Attempt any THREE questions. All questions carry equal marks.         

Q.3 
A. What is the role of Microprocessor in IT revolution?                        
B. Explain TCP / IP Protocol                                                  

Q.4  
Explain Narrow band,  Voice band and Broadband.                                    

Q.5  
A. Differentiate between Headers and Footers with Footnotes and Endnotes.     
B. Explain the important features of Windows operating system                 

Q.6   
A. Mat is Computer Virus? How does it spread and infect other computers?      
B. Explain the three basic types of instruction code formats used in computers.