Inter (Part-I) Lahore Board 2014
Computer Science
Part I (Objective Type)
Time Allowed: 20 Minutes
Max. Marks: 17
Note: Four possible answers A, B, C and D to each question are given. The choice which you think is correct, fill that circle in front of that question with Marker or Pen ink. Cutting or filling two or more circles will result in zero mark in that question.

Q1.

• The fly-by-wire system is used in:

a. Medical Field            
b. Business Field
c. Education Field          
d. Airline

• Which of the following services is provided by internet:

a. WWW                       
b. FTP                           
c. E-mail                       
d. All

• Which memory is used to increase the processing speed of computer:

a. RAM                          
b. ROM                         
c. Cache Memory          
d. SRAM

• Which of the following is an impact printer:

a. Dot Matrix Printer                                          
b. Daisy Wheel Printer
c. Line Printer                                                      
d. All of These

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

a. Television                  
b. Weather Station                  
c. Radar               
d. Antenna

• Which components of computer is responsible for comparing the contents of two pieces of data:

a. A.L.U                         
b. Control Unit              
c. Memory Unit
d. None of These

• Which one connects two similar network segments:

a. Router                        
b. Bridge                       
c. Gateway           
d. Node

• By default, windows save the documents created in MS-Word in the folder:

a. My Document                                                  
b. Recycle Bin
c. My Computer                                                  
d. Windows Explorer

• Software that is used to detect and remove the viruses from the computer is called:

a. Pirated Software                 
b. Anti Virus                 
c. Trojan Horse   
d. Virus

• Which of the following protocols is used to Access Internet:

a. Ethernet                     
b. ARC net                    
c. TCP/IP             
d. DSL

• Viruses are transferred from one computer to another due to:

a. Exchange data and program                                      
b. Exchange of display screen
c. Dust in room                                                    
d. High temperature of room

• Analog signal is measure in:

a. Volts                         
b. Hertz                         
c. Digits               
d. Watts

• Which one is faster:

a. RAM                          
b. Cache Memory          
c. Register            
d. Hard Disk

• Which of the following device is used to receive the sound output:

a. Plotters                     
b. Microphone              
c. Speaker           
d. Monitor

• The component of computer that is used to connect different parts of computer together is called:

a. Register                                                           
b. I/O unit
c. Bus Interconnection                                         
d. CPU

• A data bus with 32 lines can transfer which data at a time:

a. 32 bit                        
b. 32 bytes                    
c. 4 bytes             
d. Both A & C

• Which of the following device uses the parallel transmission:

a. Mouse                       
b. Keyboard                           
c. Printer             
d. Light Pen

Inter (Part-I) Lahore Board 2014
Computer Science
Part I (Subjective Type)
Time Allowed: 3.10 Hours
Max. Marks: 83
Section-I

2. Write short answers to any EIGHT (8) questions: (16)

• Define information technology.
• How is printer resolution measured?
• What is the use of MICR?
• State the purpose of data link layer.
• What do you meant by CSMA/CR?
• Describe Metropolitan Area Network.
• Define Analog Signal.
• How data can be represented in computer system?
• List three features of modem.
• Give some examples of latest anti-virus software.
• What do you mean by computer security?
• Write the benefits of password.

3. Write short answers to any EIGHT (8) questions:  (16)

• Define bus interconnection.
• Define stack.
• List out the name of general purpose.
• Describe Fetch-Decode-Execute cycle of CPU.
• Compare compiler and interpreter.
• What is data bus?
• What are interrupts?
• Define DMA.
• What is mail merge?
• Write shortcut key to print a document.
• Distinguish between formula and function.
• List two benefits of spreadsheet.

4. Write short answers to any SIX (6) questions:   (12)

• Define monitoring system in hospital.
• How computer can be used in marketing?
• Define Robot.
• Differentiate between CAD and CAM.
• Define the term video conferencing.
• Give some examples of GUI operating system
• Define Internet
• List four search engines.
• Distinguish between single-user and multi-user operating system.

Section II

 Attempt any THREE questions.

Q5. Briefly describe any three pointing devices. (8)
Q6. What is bus topology? Explain its working with diagram. Discuss its advantages and disadvantages.  (8)
Q7. Briefly explain the basic components of communication networks.  (8)
Q8. Define computer language and discuss its types. (8)
Q9. What are different types of viruses?  (8)

Section III
(Practical Part)

Attempt any THREE questions.

A. rite a procedure to change the screen saver. (5)
B. Write a procedure to draw borders around the paragraph. (5)
C. Write a procedure to change paragraph spacing in MS-Word.  (5)
D. Write a procedure to insert column before column D and row before row 3. (5)
E. Write a procedure to add five numbers in MS-Excel.  (5)