Page 51 - CA 165 ver 1.0 Class 9
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5.  A ............................... is a form of software that enables a hardware device to be compatible with the computer.
 Solved Exercise            i.  Mobile Application                           ii.  Device driver
                                                                             iv.  Shell
                         iii.  Kernel
 PART A              Ans. 1. iv    2. iii    3. iv   4. i   5. ii


 A.   Very short answer type questions.
    1.   What holds temporary information, which gets erased as soon as the power supply is turned off?   PART B
                 A.  Short answer type questions.
    2.   Name the buffer memory used for swapping information between primary memory and ALU.
                     1.   Define the following:
    3.   Name the optical disc that uses the blue violet ray to write the data.         i.  Network   ii.  WAN
    4.   Name the printer that prints the content by striking the printer head on the paper.         iii.  Bluetooth   iv.  Cloud Computing
                         v.  Social Network                                  vi.  Protocols
    5.   Name the printer that can be used to print colorful text and images at a very high speed.
                     Ans. i.   Network: A group of computers connected together to share information and resources amongst
    6.   Which unit of measurement of resolution is applied to printers, scanners, monitors etc.?
                             themselves.
    Ans. 1. RAM   2. Cache   3. Blu-ray disc   4. Impact printers   5. Laser    6. DPI  ii.  WAN: A type of network spread over a large geographical area such as cities, states, countries etc.
                         iii.  Bluetooth: Short range wireless connectivity that uses radio waves.
 B.   Fill in the blanks.        iv.  Cloud Computing: It refers to the usage of IT applications that are available on the network, stored in
    1.     A .................................... is a set of sequentially arranged instructions which directs the computer to perform   a remote servers.
 different actions.        v.  Social Network: It refers to a network of people interacting through various computing devices to
 2.  .................................... is the collection of raw facts and figures.  share information, expression, ideas etc.
 3.  .................................... controls and coordinates the flow and execution of data and instructions, that are fed         vi.  Protocols: A set of common notions, norms or rules that govern the functioning between two or more
 into the computer’s memory.  set of computers or networks.
    4.   The physical component of the computer system is called the .................................... .     2.   Name the functional elements of a CPU.
 5.  .................................... is a voice based input device.     Ans. The functional elements of a CPU can be divided into three parts:
 6.  .................................... device is used for processing information printed on the cheques.        ●    Arithmetic Logic Unit (ALU)
    Ans. 1. Program    2. Data   3. Control Unit   4. Hardware   5. Microphone   6. MICR        ●    Control Unit (CU)

 C.   Case Based MCQs        ●    Memory Unit (MU)
      Computer can neither think nor work on its own. It has to be provided with a set of pre-defined instructions      3.   What is a Bus?
 which are written in a computer language which it can follow. Such sets of instructions are known as ‘Programs’.      Ans.  The control unit and the internal storage are linked together by the sets of parallel electrical conducting
 A set of organized programs meant for specific purpose is known as ‘Software’. Software is an intangible part   line called Bus.
 of a computer which provides intelligence to the computer.     4.   Define the purpose of the Cache memory.
    1.   Which of the following is not a word processing software?     Ans.  Cache Memory is a part of CPU and is used when there is swapping of information between the primary
       i.  MS Word   ii.  Word Star  memory and the ALU.
       iii.  OpenOffice Writer   iv.  MS PowerPoint     5.   What are Customized Packages?
    2.     An ............................... is a utility program that helps to translate assembly language statements into machine      Ans.  Programs that are specifically developed for the users who want to automate their work and generate
 code.                   reports as per the need is called customized software.
       i.  Interpreter   ii.  Compiler     6.   How is guided media different from unguided transmission media?
       iii.  Assembler   iv.  None of the above     Ans.  In guided media transmission, communication that takes place with the help of a solid or wired medium
    3.   Which of these programs are specifically developed for the users?  but in unguided transmission media communication that takes place with the help of non-physical identity

       i.  Reservation System   ii.  Payroll System  or wireless medium.
       iii.  Billing System   iv.  All of the above  B.  Long answer type questions.
    4.   Which of the following is not a file system used in operating system?     1.   What is communication? Explain the major components of the Communication System.
       i.  Kernel   ii.  NTFS     Ans.  Communication refers to transfer of information from one place to another. It means to establish links
       iii.  EXT   iv.  FAT  between places or people and to share information and resources amongst each other. The major
                         components of the communication system are sender, a receiver and a communication channel.

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