Computer Science.
Inter (Part- I )
Paper I
(Objective Type)
Time Allowed: 20 Minutes
Maximum Marks : 15
Note: Write answers to the Question on  the objective answer sheet provided. Four possoble answers A ,b ,c , dto each Question are given. Which answer is correct fill the relevant circle with pen ink to each question on the answer sheet provided.

• Smallest unit of memory is
  

(A) Byte            
(B) Bit                         
(C) Character              
(D) Word

• One or more computers connected to a hub/ Switch is a:
  

(A) Ring Network      
(B) Node        
(C) Information Utility    
(D) Star Network

• Which Layer of OSI Model does data compression         .
  

(A) Network              
(B) Presentation         
(C) Data Link     
(D) Physical

• The Microphone converts the sound into:
  

(A) Mechanical Signal
(B) Electrical Signal
(C) Computer File
(D) Software

• An important property of Fiber Optic Cable is:
  

(A) Noise             
(B) Reflection                  
(C) Interference 
(D) Attenuation

• CAL stands for:
  

(A) Computer Aided Learing            
(B) Computer Assistant Learning
(C) Computer added learning           
(D) None of these

• Computer at home can be used:

(A) Keeping Records                        
(B) Making budgets
(C) Watching Movies                       
(D) All these

• BCD stands for
  

(A) Binary Coded Decimal          
(B) Base Coded Decimal
(C) Byte Coded Decimal                   
(D) Bit Coded Decimal

• Which is a storage deice
  

(A) CPU                     
(B) Clock       
(C) Floppy Disk        
(D) Bus

• The maximum number of primary partitions that can be created on a disk is
  

(A) 2                           
(B) 3
(C) 4                          
(D) None of these

• The actual working area in Microsoft Excel is:

(A) Workbook        
(B) Worksheet
(C) Spreadsheet       
(D) Note sheet

• The address of instruction under the processor execution is contained within                             ;

(A) Program Counter
(B) Current Instruction Register
(C) Memory Address Register                       
(D) Memory Buffer Register

• With of the following features enables you to reverse the changes you have made to the document

(A) WYSIWYG         
(B) Re-do             
(C) Undo        
(D) GUI

• Which of the following is an E-mail Client:
  

(A) Internet Explorer
(B) Outlook Express
(C) Google        
(D) None of these

• Another name for antivirus                                 
  

(A) Vaccine 
(B) Worm 
(C) Trojan Horse  
(D) DES

Subjective Part-I

Answer (06) parts each from question Q. No 2, 3 and  4 while attempt any three questions from Part II. Write same question number and its part number as given in the question paper.

(Section –I)

QNo.2

• Write any two disadvantages of Dot Matrix Printer.
  
• Differentiate Bit and Byte.
  
• Define Audio Input.
  
• What do you know about hybrid Model?
  
• Define the term Token
  
• Define CSMA / CR.
  
• Define F.D.M
  
• what do you know about Wireless Modem?
  
• Define base band
  

Q.No.3

• Define Desktop Publishing..
  
• What is a Robot?
  
• Why Ram is called RANDOM ACCESS MEMORY?
  
• What is Bus interconnection?
  
• Differentiate between Source Code and Object Code.
  
• What is Interrupt?
  
• How data is transferred from processor to memory.
  
• Give four suggestion in protect Computer from Virus.
  
• What is pirated software?
  

Q.No.4

• Define partition.
  
• Differentiae between Multitasking and multiprocessing,
  
• Describe " Un –do and Re – do” commands.
  
• Define Insertion Mode in Microsoft Word..
  
• What is Cell and Cell Address?
• List any four functions or Spreadsheet.
• What is Web publishing
• What is domain Name?
• Define IP - Addressing,

Section -II

Q5. Define Plotter. Explain different types of Plotters. (2 + 6 = 8)

Q6. What is Workgroup Computing? Also write down the benefits of E-mail over other communication methods. (8)

Q7. What is Unguided Media? Briefly describe different unguided media.  (8)

Q8. Define Language Processor or Translators? Discuss different types Language Processor. (8)

Q9. What is meant by Computer Virus? Discuss different causes of Computer Virus.  (8)