Roll No. Answer Sheet No.

Sig. of Candidate. Sig. of invigilator.

COMPUTER SCIENCE CLASS 11

SECTION A (Marks 26)

NOTE:Section 'A' is compulsory. All questions carry equal marks. Select the choice which you think is correct with Marker or Pen
ink.Deleting / overwriting is not allowed.Do not use a lead pencil.
Q. 1 An example of a computing device is a _____. (1)

A. router B. mouse C. touchpad D. microphone

Q. 2 Humera has handwritten text in her diary. She wants to store this text in digital form on a computer. (1)

The device that can help her is _____.

A. mouse B. printer C. scanner D. touchpad

Q. 3 Which of the following statements is true about system software? (1)

A. It is a general purpose software. B. It is a specific purpose software.

C. It is optional for the effective operation of the computer. D. It provides an environment that stops other software from
running.

Q. 4 Omar is travelling to Sukkur (Sindh) for a workshop. He will be required to do the following tasks: Q. 5

show a presentation to 25 participants

play an audio clip during the presentation
capture pictures of the training workshop
email the pictures as an attachment to his manager

The set of devices, other than a laptop, that Omar would need to do all these tasks are _____.

(1)
A. a printer, a speaker, a B. a projector, a C. a projector, speakers, D. a printer, a
scanner and a flash microphone, a a camera and a microphone, a
drive camera and a flash network interface scanner and a
drive card network interface
card

A software that reduces the logical size of a file to save disk space is an example of a _____. (1)

A. device driver B. utility software C. operating system D. productivity software

Q. 6 An example of open source software is _____. (1)

A. Skype B. Linux C. Adobe Reader D. Microsoft Windows

Q. 7 Which of the following computers are mostly used in industrial process control? (1)

A. minicomputers B. microcomputers C. supercomputers D. mainframe computers

Q. 8 Which of the following options shows the correct categorisation of computers based on their speed? (1)

low speed ⟶ high speed

A mainframe computer minicomputer microcomputer

B microcomputer minicomputer mainframe computer

C minicomputer microcomputer mainframe computer

D microcomputer mainframe computer minicomputer

A. A B. B C. C Platform
Powered by Knowledge D. D
Q. 9 The code printed on a bank's cheque is in the form of _____. (1)

A. a bar code B. optical marks C. optical characters D. magnetic ink characters

Q. 10 Which of the following devices sends analog signals to a computer that need to be converted into digital before the (1)
processor can process them?

A. speaker B. touchpad C. keyboard D. microphone

Q. 11 An example of application software is _____. (1)

A. UNIX B. LINUX C. Microsoft Word D. Microsoft Windows

Q. 12 The most common built-in pointing device in a laptop is _____. (1)

A. mouse B. trackball C. lightpen D. touchpad

Q. 13 Read the given statements related to inkjet and laser printers. (1)

I. These printers use paper feed. II. These printers use dry powder ink.
III. These printers print the whole page in one go. IV. The print head of these printers consists of
nozzles.
Which of the following options shows the correct categorisation of these statements?

Inkjet printer Laser printer

A I and II III and IV

B I and IV II and III

C III and IV I and II

D II and III I and IV

A. A B. B C. C D. D

Q. 14 The most suitable computer system to show a video via projector is the _____. (1)

A. minicomputer B. supercomputer C. microcomputer D. mainframe computer

Q. 15 Consider the given printing mechanism. (1)

The kind of printer which uses this mechanism is _____.

A. laser printer B. chain printer C. dot matrix printer D. daisy wheel printer

Q. 16 There are four stages in the data processing cycle. (1)

Which of the following represents the correct sequence of occurrence of these stages?

A. input storage output process B. input process output storage

C. process input storage output D. storage input process output

Q. 17 Which of the following stages requires an arithmetic logic unit (ALU)? (1)

A. input B. output C. storage D. process

Q. 18 The examples of impact printers are _____. (1)

A. dot matrix and inkjet B. dot matrix and chain C. laser and chain printers D. laser and inkjet printers
printers printers

Q. 19 The use of a dot matrix printer is appropriate when the users are concerned about the printing _____. (1)

A. cost B. speed C. quality D. environment

Powered by Knowledge Platform
Q. 20 All of the following are functions of scanner except to recognise _____. (1)

A. voices B. pen marks C. magnetic ink D. text characters

Q. 21 The printing mechanism shown in the given picture belongs to _____. (1)

A. daisy wheel printer B. dot matrix printer C. chain printer D. laser printer

Q. 22 The instruction given by a user to defrost food in a microwave oven for a specific time is stored in _____. (1)

A. RAM B. ROM C. hard drive D. flash drive

Q. 23 Which of the following is the correct categorisation of manual and automatic data capture devices? (1)

manual data capture devices automatic data capture devices

A scanner mouse
B keyboard magnetic card reader
C barcode reader graphics tablet
D quick response code reader optical character reader

A. A B. B C. C D. D

Q. 24 Which of the following is/are the feature(s) of mainframe computers? (1)

I. inexpensive II. support hundreds of computer terminals

III. process very large amount of data

A. I only B. I and II C. I and III D. II and III

Q. 25 The most common replacement for a mouse in laptops is _____. (1)

A. joystick B. trackball C. light pen D. touchpad

Q. 26 The number of stages in the data processing cycle is _____. (1)

A. 2 B. 3 C. 4 D. 5

Powered by Knowledge Platform

 SECTION B (Marks 3)
NOTE:Attempt any [No of Questions] questions from Section 'B'. All questions carry equal marks. Write your answers neatly and legibly.
Q. 1 Amjad has recently joined an organisation as a civil engineer. He needs some input and output devices to perform various (1)
tasks at the office. Suggest one appropriate device to perform each task.

i. He needs a device with built-in CAD programs for ii. He needs a device that prints coloured printouts of
designers. The device would move pens of different documents containing photos with vivid colours and
colours in vertical and horizontal directions to draw high contrast.
on paper while the paper remains stationary. iii. He requires a device which converts handwritten
documents into digital form which can be stored and
viewed on the computer.

Q. 2 Describe four stages of the data processing cycle. (1)

Q. 3 Computer-aided design (CAD) is software that is used to create drawings and designs that are used by computer-aided (1)
manufacturing (CAM) to control the machine tools.

With reference to the given statement, describe any six features that must be present in CAD software.

SECTION C (Marks 2)
NOTE:Attempt any [No of Questions] questions from Section 'C'. All questions carry equal marks. Write your answers neatly and legibly.
Q. 1 Utility software is a type of system software used to support the computer infrastructure, distinguishing it from application (1)
software which is aimed at directly performing tasks that benefit ordinary users.

Explain the functionality of any five utility software using appropriate examples.

Powered by Knowledge Platform