RAWALPINDI BOARD 2014
COMPUTER SCIENCE
PART-I
(Objective Part)
Time: 20 Minutes
Marks: 17
Note: You have four choice 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 the circles. Cutting or filling two or more circles will zero mark in that question.

• Many products are designed by using.

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

• Most applications of robotics are in which area?

(a) Cooking
(b) Manufacturing
(c) Teaching
(d) Farming

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

(a) CPU
(b) RAM
(c) Mother board
(d) System unit

• Which one is not a type of ROM?

(a) PROM
(b) EPROM
(c) EEPROM
(d) FPROM

• An identifiable location in memory where data are kept is called:

(a) Space
(b) Address
(c) Location
(d) Cell

• The order of stack is:

(a) FIFO
(b) LIFO
(c) GIGO
(d) FIGO

• A bus with 64 lines can carry _____ of data:

(a) 32 bits
(b) 64 bits
(c) 16 bits
(d) 64 bits

• This is not a biometric technique:

(a) Badge
(b) Retina
(c) Face
(d) Palm print

• Which one is not virus?

(a) Trojan Horse
(b) Logic Bomb
(c) McAfee
(d) Reflof

• Windows is the most popular product of:

(a) Sun system
(b) Microsoft
(c) Hewlett
(d) ANSI

• Symbol that separates parts in an e-mail address is:

(a) $
(b) #
(c) @
(d) ^

• Data processing is also known as:

(a) Accuracy
(b) Computing
(c) Speed
(d) Merging

• The name for screen clarity is:

(a) Pixel
(b) Resolution
(c) Density
(d) Picture quality

• Which of the following is not a category of Network?

(a) WAN
(b) LAN
(c) MAN
(d) NAN

• The example of Defacto standard is:

(a) ANSI
(b) ISO
(c) SNA
(d) IEEE

• The height of wave with in a given period of time is known is:

(a) Frequency
(b) Amplitude
(c) Oscillation
(d) Pulse

• Unicode is:

(a) 16-bit Code
(b) 32-bit Code
(c) 64-bit Code
(d) 132-bit Code

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

2. Attempt any EIGHT short questions. 0. (8x2=16)

• What is information technology?
  
• Define system software.
  
• What is touchpad or trackpad?
  
• What does a gateway mean?
  
• Define the term bridge.
  
• State the purpose of FTP.
  
• Define the term data com.
  
• Differentiate between analog and digital signals.
  
• Define the term broad band.
  
• Why the backup is important?
  
• Why data protection is important?
  
• Define the term software piracy.

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

• Describe computer architecture.
  
• What is C.P.U?
  
• List out different units of C.P.U.
  
• Differentiate between SRAM and DRAM.
  
• Why does DRAM use more power?
  
• What is ROM?
  
• What is compiler?
  
• State the use of parallel port.
  
• State the use of clipboard in MS-Word.
  
• Define Header and Footer in MS-Word.
  
• Differentiate between formula and function.
  
• What is cell?

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

• What do you know about electronic banking?
  
• What is online education?
  
• How computer can be used in airline system?
  
• What is the use of message handling system?
  
• Explain computer aided design.
  
• What is 'my documents' folder?
  
• List different features of windows 2000
  
• List names of some popular web browsers.
  
• Define email address.

SECTION-III

Attempt THREE questions. (8x3=24)

5. Define software. Explain different types of software. 08 
6. What is computer network? Explain different devices used to connect networks of computers. 08 
7.What is data transmission mode? Explain its types with examples.  08 
8. Briefly discuss different general purpose registers. 08 
9. Define virus. Explain its different types. 08 

SECTION-IV

Attempt any THREE questions. (5x3=25)

10. (A) Write down procedure to empty a Recycle Bin?
(B) Write down procedure to change the font style to ‘Arial Narrow’ of the paragraph.
(C) Write down procedure to insert a table of 3 rows and 3 columns. 
(D) Write down procedure to change the font style of cell in MS-Excel.
(E) Write down procedure to enter the sample data like 30,40,22 and 96 in 4 cells and compute the sum through sum function.