FAISALABAD BOARD 2015
PAPER COMPUTER SCIENCE
PART-I
Time: 20 Minutes
(Objective Part)
Marks:17

Note: You have four choices 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.

• Which  is  an  a automatic  programmable  machine?
  

(a)  CAD
(b) CAM
(c) CBT
(d) ROBOT

• CPU includes all components except?

(a) Primary storage           
(b) ALU               
(c) Control           
(d) Register

• Which is not a type of ROM?         
  
  (a) PROM
  (b) EPROM
  (c) EEPROM
  (d) PROM

• The step that performs the actions given in the instruction is called:
  
  (a) Fetch                               
  (b) Calculate        
  (c) Execute          
  (d) Decode
  

• How many units ALU has?
  

(a) 2                                       
(b) 3                       
(c) 4                       
(d) 5

• Another name of antivirus is:
  

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

• Which is not an antivirus program?
  

(a) Norton                            
(b) Redlof            
(c) Dr. Solmon    
(d) McAfee

• Under MS-DOS, a use communicates with the operating system by issuing:
  
  (a) Commands                    
  (b) Instructions    
  (c) Routines         
  (d) Procedure
  

• Expansion slots connects interface cards to:
  

(a) Ports                
(b) Peripheral device
(c) Motherboard           
(d) System bus

• Laser printer is an example of:
  

(a) Non-impact                   
(b) Inkjet              
(c) Impact            
(d) Dot matrix

• How many bits are in one byte?

(a) 2                                       
(b) 8                       
(c) 10                    
(d) 12

• Which is not LAN topology?

(a) Star                                  
(b) Ring
(c) Bus                  
(d) Band

• Software to peruse the internet is called:

(a) Gateway                        
(b) Browser         
(c) EFT                 
(d) Tele conferencing

• Transmission permitting data to move only one way at a time is called:
  

(a) Half duplex                   
(b) Simplex          
(c) Full duplex     
(d) Start / stop

• The music and speech represent:
  

(a) Image                              
(b) Text                 
(c) Numeric         
(d) Audio

• BCD code is ___________bit code:

(a) 4                                       
(b) 8                       
(c) 15                     
(d) 32

• Many banks provide the facility of:
  

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

Time: 3:10 Hours
(Subjective Part)
Marks: 83
Section II

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

• Define the term information technology.
  
• Define utility programs.
  
• What do you mean by QWERTY?
  
• Define computer work.
  
• Write essential components of network system.
  
• Define telecommunication.
  
• Define data communication.
  
• Define analog signal.
  
• Define bit and byte,
  
• Define data security.
  
• Write about biometrics,
  
• What is antivirus?
  

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

• Define system bus.      
  
• What is CPU?
  
• Define main memory?
  
• Define port?
  
• What is compiler?
  
• Define PROM.
  
• What is motherboard?
  
• Define DMA.
  
• Define event.
  
• What is multitasking?
  
• Define font in MS-Word.
  
• Describe Microsoft Word.
  

4. Attempt any SIX short questions. (6x2=12)

• Write some applications of ROBOTS.
  
• What is computer simulation?
  
• How computer can be used in airline system?
  
• Explain weather forecasting.
  
• What is the use of image processing system?
  
• What is the use of control panel?
  
• What is My Documents folder?
  
• Explain URL.
  
• List any four search engines.
  

SECTION-III

Attempt any THREE questions.  (8x3=24)

5. Define source data entry devices. Explain OCR, OMR and MICR in detail.
6. What are LAN's protocols? Explain three types of networking protocols.
7. Define unguided media. Explain its types in detail.
8. What is computer architecture? Explain different components of computer architecture.
9. What is a computer virus? How can it damage computer?

SECTION-IV

10. Attempt any THREE questions.   (5x3=15)

(A)Write the procedure to add a new printer.
(B)Write the procedure to insert header and footer in MS-Word document.
(C)Write the procedure to insert page number in MS-Word document.
(D)Write the procedure to enter a function in a cell of a worksheet.
(E)Write the procedure to create a chart in Excel.