SAITIWAL BOARD 2013
PAPER COMPUTER SCIENCE
PART-I
Time: 20 Min.
(Objective Part)
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 to fill the circles. Cutting or filling two or more circles will result in zero mark in that question.

• The music and speech represent:
  

(a) Image
(b) Text
(c) Numeric
(d) Audio

• The extension or an executable file is:
  

(a) .xls
(b) .doe
(c) .ext
(d) .exe

• McAfee is a:
  

(a) Virus
(b) Antivirus
(c) Hacker
(d) Worm

• The "brain" of the computer that executes the instruction is called:
  

(a) CPU
(b) RAM
(c) Motherboard
(d) System nit

• Computer cannot boot if it does not have:
  

(a) Compiler
(b) Linker
(c) Interpreter
(d) Back of the computer

• Which is not a type of memory?

(a) DRAM
(b) SRAM
(c) ROM
(d) FRAM

• Which is not a type of memory?
  

(a) DRAM
(b) SRAM
(c) ROM
(d) FRAM

• The ALU performs arithmetic and ______________ operations:
  

(a) Logical  
(b) Logging
(c) Loading
(d) Addition

• Many products are designed by using:
  

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

• CBT software is used in :
  

(a) Education
(b) Forecasting
(c) Manufacturing
(4) Online chatting

• A small image that represents a program, instruction or file etc, is called:
  

(a) Menu
(b) Gill
(c) Command language
(d) Icon

• A collection of related web pages is called:
  

(a) Web – Iink
(b) Web-site
(c) Internet
(d) Linking

• The piece of hardware that temporarily holds data and programs is called:
  

(a) Primary storage
(b) CPU
(c) Secondary storage
(d) Out put

• One kilobyte is exactly:
  

(a) 1 byte
(b) 100 bytes
(c) 256 bytes
(d) 1024 bytes

• Transferring information from computer to Internet is called:
  

(a) Downloading
(b) Down seizing
(c) Ploading
(d) Pasting

• A collection of computers connected together is called:
  

(a) Processing
(b) Network
(c) Chatting
(d) Centralized system

• An arrangement in which data can be received and seat simultaneously is called:

(a) Simplex
(b) Full-duplex
(c) Half-duplex
(d) Multi-duplex

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

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

• Define a computer.
  
• What is application software?
  
• Write any two advantages of Digital Camera.
  
• Define computer network.
  
• Distinguish between De-facto and De-jure standards.
  
• Define Network Inter face Card (NIC)
  
• Define the term bas
  
• Write say two type of data
  
• Define the term Modem.
  
• Briefly describe data security.
  
• State the purpose of password
  
• What is 1980 Piracy Protection Act?
  

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

• What is compiler ?
  
• Define assembler.
  
• Describe assembly language.
  
• Stat the use of serial part.
  
• Name two part parts of instruction formate.
  
• Write the purpose of I/O instructions.
  
• What are interrupts?
  
• Define stack.
  
• Describe Microsoft or
  
• Define insertion point.
  
• Define spreadsheet.
  
• Describe Absolute Referencing
  

4. Attempt any SIX short questions. (6 x 2 = 12)

• What is computer based training?
  
• What is a robot?
  
• How robots are used in industry?
• Define CAD
  
• Explain computer aided manufacturing process.
  
• What is purpose of Recycle Bin?
  
• What is Document folder?
  
• Define DNS addressing.
  
• Define WW W.
  

Attempt any THREE questions. (8 x 3=24)

5. What are pointing devices? Explain any three pointing devices.
6. Write a detailed note on star topology.
7. What is Communication Media in computer? Explain Guided Media in detail?
8. What is Bus interconnection? Explain different types of system buses.
9. Define anti-virus. Give examples. Write some benifits of using anti-virus software.

Attempt any THREE questions. (5x 3 15)

10. Write a procedure how to change data and time in Windows?
11. Write a procedure to insert header and footer in MS Word.
12. Write a procedure to create auto correct entry to replace or with government college.
13. Write a procedure to insert a new sheet and rename it in excel.
14. How to save the workbook as student in My Document folder?