COMPUTER SCIENCE (OBJECTIVE)      
 PAPER(I)
TIME ALLOWED: 20 MINUTES    
MAXIMUM MARKS:15
NOTE:- you have four choices for each objective type question as A,B,C and D. the choice that you think is correct , fill the circle in  front of the question number. Use marker or pen to fill the circles. Cutting or filling two or more circles will result in zero mark in that question. attempt as many questions as given in objective type question paper and leave others blank. write the letter A,B,C or Din the column against each question. If there is a contradiction in the bubble and hand written answer, bubble option will be considered correct.

• Which of the following is non-impact printer?

(A) dot matrix         
(B) laser  
(C) line                 
(D) daisy wheel

• One kilo byte is equal to
  

(A) 1byte                                   
(B) 100bytes                   
(C) 256bytes      
(D) 1024bytes

• which is not an input device?
  

(A) scanner            
(B) digital camera       
(C) speaker     
(D) mouse

• ALU consists of ……….. parts.
  

(A) two         
(B) three                     
(C) four            
(D) six

• Which of the following coding scheme uses 4-bit code?
  

(A) ASCII                                     
(B) EBCDIC                       
(C) BCD                
(D) Unicode

• Select unguided media
  

(A) twisted pair                        
(B) co-axil                          
(C) microwave  
(D) fiber optics

• A word processor cannot be used for
  

(A) write text                             
(B) edit text                       
(C) print text    
(D) watching mov

• Many banks provide the facility of
  

(A) CAD                                  
(b) ATM                          
(c) CAM               
(d) CBT

• CPU is an example of
  

(A) program            
(B) hardware                     
(C) software      
(D) input unit

• Which one is slow from the following
  

(A) RAM                                       
(B) FLOOPY DISK                              
(C) Register        
(D) Cache

• Which of the following is not an antivirus program?
  

(A) Redlof                                   
(B) Norton                         
(C) Dr.soloman  
(D) McAfee

• Which is not GUI
  

(A) windows xp                       
(B) DOS                              
(C) windows vista
(D) linux

• Short cut key for replace is
  

(A) ctrl + R                                   
(B) ctrl + P                           
(C) ctrl + H          
(D) ctrl + L

•   which formula calculate the sum of three cells?
  

(A) =SUM(A2:A5)                     
(B) =SUM(B7:D9)           
(C) =SUM(B8:D8 )
(D) =SUM(A1:C3 )

• A standered IP address is composed of
  

(A) 32-bit                                     
(B) 64-bit                             
(C) 128-bit          
(D) 256-bit

COMPUTER SCIENCE
(SUBJECTIVE)  
PAPER(I)
TIME ALLOWED:2.10 HOURS   
MAXIMUM MARKS 60

2. Answer briefly any six parts from the following:

• Differentiate between data and information?
  
• Describe pointing devices?
  
• Write the use of output devices.
  
• What is dedicated server?
  
• Define extranet?
  
• Write about MAN?
  
• Define the term encoder and decoder.
  
• What do you know about broadband?
• What is uni-code?
  

3. Answer briefly any six parts from the following:

• Define computer based training.
• What is  on line banking.
  
• What is DRAM?
  
• Describe language processor.
  
• What is the concept of memory address?
  
• Define the term register.
  
• Why RAM is called random access memory?
  
• List out some causes of computer viruses.
  
• Define security.
  

4. Answer briefly any six parts from the following:

• State the purpose of recycle bin.
  
• Name some events of ketboard.
  
• Describe alignment.
  
• List some features of text editor.
  
• Define spread sheet.
  
• What do mean by formulain excel?
  
• Distinguish between HTTP and FTP.
  
• Write any three negative impacts of computer and internet on society.
  
• Name some advantages of E-mail.
  

SECTION…………II

NOTE: ATEMPT ANY THREE QUESTIONS.

5. What is printer? Explain the types of non-impact printers.

6. Define topology. Explain the working of bus and ring topology.

7. Briefly describe different guided media.

8. Define operating system. Describe different functions of operating systems.

9. What is meant by computer virus? Explain its different types.