Computer Science (New Scheme
Gujranwala Board 2015
Inter Part: I
Time: 20 min
Objective Type
Note: you have four choices for each objective 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.  Attempt as many questions as given in objective type question paper and leave others blank.

• Which is not included in DMS?

(a) word-processing                    
(b) desktop publishing
(c) reprographic                          
(d) E-shopping

• A communication technique to transmit large volume of data over long distance is :

(a) basse band                             
(b) broad band
(c )bandwidth                                             
(d) cable

• Which is a top level domain ?

(a) HTTP                                      
(b) .com
(c) HTML                                    
(d) URL

• The right to use the software on the computer is called:

(a) software copyright               
(b) site license
(c) software piracy                     
(d) software privacy

• Which memory is use to speed up the computer processing?

(a) cache                                      
(b) ROM
(c) BIOS                                       
(d) FRAM

• The microphone converts the sound into:

(a) mechanical signals                               
(b) electrical signals
(c) computer file                        
(d) software

• The program that contains instructions to operate a device is called:

(a) device driver                          
(b) device operator
(c) device linking                        
(d) software system

• Which is a mouse event?

(a) left click                                  
(b) key up
(c) key down                               
(d) button

• A bus having 64 lines can carry data of:

(a) 32 bit                                       
(b) 64 bit
(c) 16 bit                                       
(d) 64 bytes

• CBT stands for:

(a) computer based trade          
(b) computer based training
(c) certificate based training   
(d) computer basic training

• XGA resolution is :

(a) 640 x 480 pixels                   
(b) 640 x 400 pixels
(c) 800x 600 pixels                 
(d) 1024 x 768 pixels

• The diameter of a fiber-optic cable is:

(a) 62.5 cm                                  
(b) 62.5 mm
(c) 62.5 m                                    
(d) 62.5 microns

• What layer of OSI Model does data compression?

(a) network                                  
(b) presentation
(c) data link                                
(d) physical

• Registers that collect the results of computations are called:

(a) instruction pointer                
(b) storage
(c) storage registers                    
(d) accumulator

• A virus that replicates itself is called:

(a) Bug                                         
(b) Worm
(c) Vaccine                                   
(d) Bomb

• Which component of CPU  is responsible for interacting with primary memory?

(a) ALU                                        
(b)Control Unit
(c) BUS                                         
(d) Register

• Which type of network is the internet?
  

(a) LAN                                        
(b) MAN
(c) WAN                                      
(d) both B&C

ComputerScience (New Scheme)
Gujranwala Board 2015
Inter Part: I
Time: 2:30 Hours
Paper I
Subjective Type 
Max Marks: 80
Note: Section I is compulsory , Attempt any three (3) questions from Section II and any three (3) parts from Section III
(Section – I)

Q2. Write short answers to any EIGHT questions: (2x8=16)

• Differentiate between data and information .
• Define information technology.
• Define bar code.
• Write some benefits of using computer networks.
• Define star topology.
• Define internet.
• Define analog signal.
• Describe data representation in computer .
• Define ASCII code.
• Explain virus activation in computers.
• Define backup.
• What is antvirus.

Q3. Write short answers to any EIGHT questions: (2x8=16)

• Why RAM is called Random Access Memory?
• What is language processor?
• What is zero-address instruction format?
• Describe the function of input/ output unit.
• Differentiate between compiler and interpreter.
• What is the concept of stored program machine?
• What is the concept of memory address?
• Define the term “Interrupt”.
• Define command line operating system.
• What is the purpose of recycle bin?
• Define word processor.
• Describe “Undo” and “Redo” commands.

Q4. Write short answers to any SIX questions: (2x8=16)

• What is online education?
• State the purpose of computer simulation.
• Write some benefits of computer aided learning.
• How robots are used in industry?
• How computer can be useful in weather forecasting?
• What is 3-D sheet?
• How formula is used in MS-Excel? Give an example.
• Describe the use of web server.
• What does URL mean?

(Section – II)

Q5. What are source data entry devices ? Explain any three mark and character recognition devices.  (8)
Q6. What is computer network? Discuss different network models. (8)
Q7. Briefly describe guided media types.  (8)
Q8. What is language translator? Describe types of language translators. (8)
Q9. Define computer virus. Explain different causes of computer virus. How does virus spread? (8)

(Section – III – Practical)

Q10.(a) Write procedure to change desktop background image.  (5)         
(b) Write procedure to add new row and new column in table .  (5)
(c ) Write procedure to insert work art in MS-Word document.  (5)
(d) Write procedure to merge two cells in MS-Excel.  (5)
(e) Write procedure to calculate sum of ten values in a column.  (5)