Inter ( Part-I )
Gujranwala Board 2013
Computer Science(New Scheme)
Paper I
Time allowed: 20 Minutes
Max. Marks: 17
OBJECTIVE
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. Write the letter A, B, C or D in the column (write correct option) against each question also. If there is a contradiction in the bubble and hand written answer, bubble option will be considered correct.

• An ink-jet printer is an example of a(n):

(A) Laser printer                               
(B) impact printer
(C) CON printer                                        
(D) non-impact priner

• The mechanical coverts the sound into:

(A) mechanical signals                                      
(B) electrical signals
(C) computer file                                        
(D) software

• Software to peruse the internet:

(A) Gateway                                         
(B) BFT
(C) browser                                       
(D) teleconferencing

• OSI stands for:

(A) open system interconnection 
(B) open system interlink
(C) open small internet                                         
(D) open system

• Analog signal is measured in:

(A) volt                                         
(B) hertz
(C) digits                                        
(D) watts

• BCD stands for:

(A) binary coded decimal 
(B) base coded decimal
(C) byte coded decimal 
(D) bidirectional coded decimal

• Most application of robotics are in which area?

(A) cooking                                        
(B) manufacturing
(C) teaching                                        
(D) farming

• CBT software is used i:

(A) education                                         
(B) forecasting
(C) manufacturing                                         
(D) farming

• CPU is an example is:

(A) software                                        
(B) a program
(C)  hardware                                        
(D) an output unit

• Data and program not being used by computer are stored in:

(A) secondary storage                                         
(B) cache
(C) primary storage                                         
(D) printer

• Expansion slots connect interface cards to:

(A) ports                                        
(B) peripheral devices
(C) motherboard                                          
(D) system bus

• Which computer memory is used for storing programs and data currently being processed by the CPU?

(A) mass memory                                         
(B) RAM
(C) non-volatile memory                             
(D) PROM

• If memory location is to be read, CPU places address in:

(A) MAR                                         
(B) MRB
(C) PC                                         
(D) AX

• Which is not a virus?

(A) Trojan hors                                         
(B) Logic bomb
(C)  McAfee                                       
(D) Reflof

• Software that is available free for a limited period is called:

(A) freeware                                         
(B) groupware
(C) shareware                                      
(D) vertical

• The ability of an operating system to control the activities  of multiple programs at the same time is called:

(A) multi-tasking                                         
(B) multi-processing
(C) multi-operating                                        
(D) multi-paging

• Which protocol is used to access web pages on world wide web?

(A) TCP/IP                                         
(B) Gopher
(C)  HTTP                                       
(D) HTML

Inter ( Part-I )
Gujranwala Board 2013
Computer Science(New Scheme)
Paper I
Time allowed: 3:10 Hours
Max. Marks: 83
SUBJECTIVE
Note: Section I is compulsory. Attempt any THREE (3) questions from Section II and any THREE parts from Section III.

(SECTION – I)

2. Write short answers to any Eight questions: (2×8 = 16)

• What is touch screen?
• Define pixel.
• Write the advantages of non-impact printers over impact printer.
• Define the term network topology.
• Compare LAN and WAN transmission speed.
• What are gateways?
• Describes full duplex mode of data transmission.
• What do you know about parallel data transmission?
• Write two advantages or disadvantages of fiber optics cabl.
• Define computer virus.
• How does boot sectors virus work?
• What is the purpose of copy right act?

3. Write short answers to any Eight questions: (2×8 = 16)

• Define CPU.
• Distinguish between arithmetic unit and logical unit.
• Why is RAM called Random Access Memory?
• Give some examples of high level languages.
• State the purpose of fetch instruction.
• Define interpreter.
• Explain computer languages.
• Define ports.
• Define word processor.
• Define header and footer in MS-Word.
• Distinguish between formulas and functions.
• Define spreadsheet.

4. Write short answers to any SIX questions: (2×6 = 12)

• Define reprographics.
• What is computer simulation?
• What is electronic shopping?
• What is online education?
• Explain computer aided design.
• Define desktop.
• What is internet explorer?
• Define internet.
• What is E-mail?

(SECTION-II)

5. Explain different types of impact printers. (8)
6. What is ring topology? Explain its working with diagram. Discuss its advantages and disadvantages. (8)
7. What is meant by encoding of data? Explain different coding schemes to represent data in computer. (8)
8. What are registers? Write in details general purpose registers. (8)
9. Discuss different security threats to data security. What are the solutions of these threats?  (8)

(Section – III Practical)

10. (a) Discuss different events of mouse and keyboards. (5)
(b) Write a procedure to delete rows and columns in a table. (5)
(c) Write procedure to merge and center contents in cell. (5)
(d) Explain different ways of editing text in MS-Word. (5)
(e) Write the procedure for rotating text. (5)