SARGODHA BOARD 2017
COMPUTER SCIENCE Paper I
(Objective Type)
INTER (PART-I)
Time Allowed: 20 Minutes
Maximum Marks: 15
Group-I
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. Cutting or filling two or more circles will result in zero mark in that questions.

• The extension of MS-Word file is

(A) .txt
(B) .xls
(C) .doc
(D) .rtx

• Which of the following is an absolute address?

(A) A1
(B) SA1
(C) AS1
(D) AS1S

• A standard IP address is composed of

(A) 4-hits
(B) 16-bits
(C) 32-bits
(D) 64-bits

• A graphic tablet is commonly activated by

(A) Finger
(B) Joystick
(C) Stylus
(D) Trackball

• The individual images that makeup a video are called

(A) Frames
(B) Pixels
(C) Dots
(D) Digits

• A connection for similar networks uses.

(A) NIC
(B) Bridge
(C) Gateway
(D) Router

• A collection of related web-pages is called

(A) WWW
(B) Web portal
(C) Website
(D) Web server

• The Modem's data transfer rate is measured in

(A) Kbps
(B) Mbps
(C) MBps
(D) GBps

• Most of data transmitted over telephone lines uses

(A) Serial Transmission
(B) Parallel Transmission
(C) Digital Transmission
(D) Hybrid Transmission

• Modem computers can perform calculations or processes at

(A) Per nano second
(B) Per micro second
(C) Per second
(D) Per minute

• All are General purpose Registers Except

(A) EBX
(B) ECx
(C) EDx
(C) EEx

• Which Bus allows the processor to communicate with peripheral devices? (A) System Bus

(A)Address Bus
(B) Expansion Bus
(C) Data Bus
(D) Control Bus

• Another name for antivirus is

(A) Vaccine
(B) Worn
(C) Trojan Horse
(D) Virus Killer

• Software that is available free of cost for a limited time period is called.

(A) Freeware
(B) Groupware
(C) Shareware
(D) Demo

• Software can be removed/installed through

(A) Control Panel
(B) Recycle Bin
(C) My Documents
(D) My Computer

SARGODHA BOARD 2017
(INTER (PART-I)
COMPUTER SCIENCE Paper I
(Subjective Type)
Time Allowed: 2:10 Hours
Group-I
Maximum Marks: 60
SECTION-I

2. Write short answers to any SIX (6) questions.

1. How Bar Code reader works
2. Write briefly the direct conversion.
3. Define Hard Copy output.
4. Write the two uses of Server Computer.
5. What is De-facto Network standard.
6. What is the function of Extranet.
7. How Base band works?
8. Define De-Modulation.
9. Write shortly the Parallel transmission.

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

1. Define document management system.
2. What do you mean by online education?
3. How computer can be used in airline system
4. State the purpose of Data Segment Register.
5. Differentiate between PROM and EPROM.
6. What is accumulator register?
7. Why DRAM consume more power?
8. Define Serial port.
9. How computer virus is activated?

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

1. What is the purpose of Recycle bin?
2. Differentiate between Multitasking and Multiprocessing.
3. What is paragraph formatting?
4. Explain "SAVE" and "SAVE AS" commands.
5. What are Headers and Footers in Microsoft Word?
6. What is Relative Referencing?
7. Explain the difference between Labels and Values in Excel.
8. Define e-mail address.
   
9. What is Web hosting?

SECTION-II

5. What is Display Screen? Discuss two types of Display Screens.
6. What is a network topology? Explain Star Topology with, diagram. Also write its two advantages and two disadvantages.
7. What is data Transmission mode? Explain its types with example.
8. What is system bus? Explain three types of buses.
9. What is security of data? Describe types of security threats and any four solutions of these threats.