FAISALABAD BOARD 2013
PAPER COMPUTET SCIENCE
PART-I
Time: 20 Min.
(Objective Part)
Marks: 17
Note: You have four choice for each objective type question as A,B,C and D. The choice which you think is correct; fill that circle in front of that 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.

• A device used for optical character recognition is a:
  

(a) Wand reader                     
(b) Cursor
(c) Pen                                    
(c) MICR reader

• An inkjet printer is an example of a (n):
  

(a) Laser printer                      
(b) Impact printer
(c) COM printer                     
(d) Nan-impact printer

• How many types of network standard are there?
  

(a) 2                                        
(b) 4    
(c) 6                                        
(d) 8

• Which is not a network communication device?
  

(a) Ruter                                 
(b) Hub
(c) Lan                                    
(d) NIC

• Which coding, scheme is used by I BM ?
  

(a) ASCII                               
(b) EBCDIC
(c) BCD                                 
(d) Unicode

• Communication mode is :
  

(a) LAN                                 
(b) Internet
(c) Simplex                             
(d) ASCII

• Computer based weather forecasting depends on a accurate collection of data from:
  

(a) Television                          
(b) Radar
(c) Antenna                            
(d) Weather stations

• Many banks provide the facility of
  

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

• The RAM stands for
  

(a) Random access memory   
(b) Read and memory
(c) Random area memory       
(d) Remember all memory

• Which is not a type of memory.
  

(a) DRAM                              
(b) SRAM
(c) PROM                              
(d) FRAM

• Temporary storage area within CPU is called:
  

(a) Register                             
(b) Cache
(c) RAM                                 
(d) Buffer

• A characteristic of ROM is that it is:
  

(a) Volatile                             
(b) Non-volatile
(c) Costly                                
(d) Less available

• The step that performs the actions given in the instruction is called:

(a) Fetch                                 
(b) Decode
(c) Execute                             
(d) Perform

• Another name for antivirus is
  

(a) Vaccine                             
(b) Worm
(c) Trojan horse                      
(d) Hacker

• Which is not a cause of virus ?

(a) email                                 
(b) Network
(c) Pirated software               
(d) Logic bomb

• Add new hardware option exists in:
  

(a) Main menu                        
(b) Status bar
(c)Task bar                            
(d) Control panel

• A standard IP address  is composed of a total of :

(a) 4 bites                               
(b)16 bites
(c) 32 bites                             
(d) 64 bites

Time: 3:10 Hours.
(Subjective Part)
Marks: 83

Section II       

2. Attempt any EIGHT short questions. (8x2=16)

• Define the term information technology (IT).
  
• What is operating system?     
  
• Describe barcode reader.
  
• What is workgroup computing ?
  
• Describe client server model .
  
• What is De facto standard?
  
• Describe ASCII coda.
  
• What is asynchronous data transmission?
  
• What is unguided Media ? Give one example.
  
• Define computer virus.          
  
• What is password?
  
• Describe backup of data .

3. Attempt any EIGHT short questions. (8x2= 16)

• Why RAM is called volatile ?
  
• Define DMA.
  
• State the purpose of CPU registers.
  
• Define mother board.
  
• Differentiate between source code and object code.
  
• Describe assembly language.
  
• How does a compiler work?
  
• What is page formatting in MS- Word?
  
• Define font and its use.
  
• Distinguish between formulas and functions.
  
• List three benefits of spread sheet,
  
• What do you mean by stack?

4. Attempt any SIX short questions. (6x = 12)

• Define E-commerce.
  
• How computer can be used in airline system?
  
• List some applications of robot.
  
• Differentiate between CBT and CAD.
  
• Distinguish between single user and multi-user operating  system.
  
• Define command line operating system.
  
• Define E- mail.
  
• Distinguish between HTTP and HTML.
  

SECTION-III

Attempt any THREE questions. (8x3 = 24)

5. Briefly explain pointing stick, touch screen and touch pad. 08
6. Discuss different network models. 08
7. What is data communication? Explain the basic components of Communication network. 08
8. What is ROM? Discuss different types of ROM. 08
9. Define antivirus and write some benefits of antivirus. 08

SECTION-IV

• Write a procedure to add new folder on the desktop and rename it. 05
• Write a procedure to insert new column and new row in the table. 05
• Write a procedure to insert word art in MS-Word document. 05
• Write a procedure to compute the average of 10 numbers MS-Excel. 05
• Write a procedure to insert new worksheet is Excel. 05