Gujranwala Board 2012
Computer Science
Inter (Part-I)
Paper : I
Time allowed: 20 Minutes
Marks: 15
OBJECTIVE
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 with marker or pen on the answer book provided. 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 D in the column (write correct option) against each question. If there is a contradiction in the bubble and hand written answer, bubble option will be considered correct.

• The process of transferring data electronically from one place to another is called:
  

(A) data processing    
(B) data communication
(C) data sequencing   
(D) data sender

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

(A) television            
(B) weather stations
(C) radar
(D) antenna

• A collection of raw facts and figures is called:
  

(A) data
(B) information
(C) processing            
(D) computing

• Which is popular full-featured word processor?
  

(A) MS-Word            
(B) spreadsheet
(C) word pad             
(D) notepad

• The RAM stands for:
  

(A) readily available memory
(B) ready access memory
(C) random access memory
(D) remember all memory

• The standard protocol for the internet is:
  

(A) TCP
(B) IP address
(C) IP protocol
(D) TCP/IP

• The ‘brain’ of the computer that executes the instructions is called:
  

(A) CPU                     
(B) RAM
(C) mother board       
(D) system unit

• What type of networks is the internet?
  

(A) LAN                    
(B) MAN
(C) WAN                   
(D) NAN

• McAfee is a/an
  

(A) virus                     
(B) antivirus
(C) hacker                  
(D) worm

• The electromagnetic or light waves representing data are called:
  

(A) information          
(B) signal
(C) sender                  
(D) frequency

• Hardware is best described as:
  

(A) physical parts       
(B) printed copy file
(C) a program             
(D) logic part

• Many products are designed by using:
  

(A) ATM                    
(B) ROBOT
(C) CAD                    
(D) CAM

• By default, how many worksheets are present in excel work book?
  

(A) 3
(B) 4
(C) 5                           
(D) 2

• Which is based on NT technology?
  

(A) window 2000      
(B) window 98
(C) window 3.1          
(D) window 95

• A collection of computers connected together is called:
  

(A) processing            
(B) network
(C) chatting                
(D) centralized system           

Gujranwala Board 2012
Computer Science
Inter ( Part-I )
Paper : I
Time allowed: 2.10 Hours
SUBJECTIVE

(Section - I)

2.  Write short answers to any SIX questions: (2x6=12)

• Define the term ‘Digital Signal.’
  
• What is operating system?
  
• Differentiate between bit and byte.
  
• What is work group computing?
  
• List seven layers of OSI Model.
  
• Define internet.
  
• What is meant by encoding of data?
  
• List different elements of data communication.
  
• Describe asynchronous data transmission.

3. Write short answers to any SIX questions: (2x6=12)

• What is CAL?
  
• What is video-conferencing?
  
• Differentiate between RAM and ROM.                       
  
• What is instruction set?
  
• Define PROM.           
  
• What is CPU?
  
• Define memory address.
  
• What is Trojan horse?
  
• What is Redlof?

4. Write short answers to any SIX questions: (2x6=12)

• What is primary and extended partition?
  
• Describe windows explorer.
  
• What is word processor?
  
• Define macros.
  
• Define spreadsheet software.
  
• What is the difference between workbook and worksheet?
  
• What is difference between IP address and DNS.
  
• Define web browser.
  
• What is meant by URL?

(Section-II)

5. What is impact printer? Discuss different types of impact printers.
6. Define computer network. Also describe any three network connectivity devices in detail.        
7. What is data communication mode?   Explain different types of data communication modes.
8. What are CPU registers? Briefly describe special-purpose registers.
9. Discuss some ways in which the security of data may be violated.