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BCA 1st sem Introduction to Computers & IT paper 2019

GGSIPU, New Delhi | BCA | 1st Semester | Introduction to Computers & IT | 2019
Classifications of Computers, Classifications of Computers, Conversion of a binary fraction to a decimal fraction and decimal to binary fraction, Distributed Computer System, IP address, Classifications of Computers, Block Diagram of a computer Input-output devices, Block Diagram of a computer Input-output devices, Classifications of Computers, different types of operating systems, pseudo code, Classifications of Computers, Decimal to all other number systems, ASCII Codes, Network topologies, Digital and Analog Transmission, Basic elements of a communication system, Internet, Use of complements to represent negative numbers, Use of complements to represent negative numbers, Use of complements to represent negative numbers, Use of complements to represent negative numbers, Conversion, Conversion, Conversion, Conversion,
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Shobhit Mor
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Shobhit Mor
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Click here to read notes of all subjects of BCA 1st Semester
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  • 1.a.

    Define Computers. Explain various characterstics of CPU Registers.

    A Computer is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming. Computers have the ability to follow generalized sets of operations called programs. These programs enab...
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    5
  • 1.b.

    What are Registers? Explain different types of CPU Registers.

    REGISTER: It is a quickly accessible location available to CPU. Register consist of small amount of fast storage. Some registers have specific hardware function. Type of Register 1) Memory address register 2) Memory buffer register 3) I/O address reg...
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    5
  • 1.c.

    Convert (295)10 to Binary and BCD.

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    5
  • 1.d.

    Differentiate between multi programming and time-sharing operating system.

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    5
  • 1.e.

    What is an instruction set? Explain various types of addressing modes.

    INSTRUCTION SET- It is a single operation of a processor defined by the processor instruction set. The size or length of an instruction varies widely from as little as 4-bits in some micro controllers to many as multiples of a bytes in some very long...
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    5
  • 2.a.

    What is generation in Computer terminology? List various computer generations along with the key characteristics of hardware and software technologies in each generation. 

    Generation in computer terminology is a change in technology a computer is being used. initially generation word is used to distinguish between varying hardware generation including both hardware and software. Characteristics 1) Vacuum tubes are use...
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    6.5
  • 2.b.

    What are Input and Output devices?  Discuss any 3 of each in detail.

    INPUT and OUTPUT DEVICES An input device sends information to a computer system for processing. An output device reproduce or displays the result of that processing. Most devices are input or output devices as the accept data input from user or outpu...
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    6
  • 3.a.

    What do you mean by computer organization? Explain the basic organization of a computer system with the help of a block diagram.

    Computer Organization: It refers to the level of abstraction above the digital logic level, but below the operating system level. Computer architecture emphasizes the engineering decision and trade offs that must be made in order to produce a good de...
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    5
  • 3.b.

    Differentiate the following: (1) Static and Dynamic RAM (2) Magnetic Disk and Magnetic Tape (3) PROM and EPROM

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    7.5
  • 4.a.

    Défine Operating System. Discuss two primary objectives of an Operating System. Explain various functions provided by most of the operating system. 

    Operating System An operating system is a system software that manages computer hardware, software resources and provides common services for computer programs. Two primary objectives of operating system 1) Making a computer system convenient to use ...
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    6.5
  • 4.b.

    Define Algorithm with characteristics. Write an algorithm using flowchart and Pseudocode to find the maximum of N numbers. 

    Algorithm and its characteristics Algorithm is a step by step procedure which define a set of instructions to be executed in a certain order to get the desired output. Algorithms are generally created independent of underlying languages. Characterist...
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    6
  • 5.

    Write short notes for the following

    1) Types of Operating System

    2) Loader and Linker

    3) Process Control Block (PCB)

    4)Flowchart and Pseudocode

    5)Multiprocessor Operating System and its advantages

    Type of Operating System: 1) Batch Operating System: This type of operation system does not interact with the computer directly. It is the responsibility of operators to sort the jobs with similar needs. 2) Time sharing operating system: These system...
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    12.5
  • 6.a.

    What is the significance of Base in number system? Distinguish among bindary, octal and hexadecimal number system with examples. 

    Base in the number system: Any number system with base, r consist of 0 to r-1 symbol to represent any number for example decimal number system having radix, r=10, uses 0 to 9 number. Distinguish among binary, octa and hexa decimal ...
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    4.5
  • 7.a.

    Explain the following with example

    1)ASC2 Code 

    2)Unicode

    3)BCD

    4) Grade code 

    ASCII CODE: ASCII stands for American Standard Code for Information Interchange. It is a code for representing 128 English character as number with each letter assigned a number from 0 to 127 Example- ASCII Code for uppercase M is 77 UNICODE: A code ...
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    4.3
  • 8.a.

    Explain various types of computer network topologies along with their advantages and disadvantages. 

    Various types of computer technologies Mapping of LAN design is called topology. There are four categories. Star Topology: All computer and devices are connected to a main hub or switch. The hub or switch amasses and disburses the flow of data within...
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    6.5
  • 8.b.

    Write short notes on the following. 

    1)FTP

    2)WWW

    3) Client Server Architecture

    4) Digital and Analog Signals

    FTP: The file transfer protocol is a standard network protocol is used for the transfer of computer files between a client and server on a computer network. FTP is build on a client-server model architecture. WWW: World Wide Web is a combination of a...
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    5
  • 9.a.

    What are the main components of data communication system Explain different types of transmission media used in data communications along with their advantages and disadvantages 

    There are five type of data communication system Data: Communication of data means a message will me transmitted from one device and receive in the destination. Sender: Data must have to be sent to a destination from a source this source is called se...
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    8.5
  • 9.b.

    Distinguish between Intranet and Extranet with example.

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    4
  • 6.b.

    Perform the following operations. For subtraction use complement's method:

    (i) (1100011)2 - (10111)2

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    2
  • 6.b.

    Perform the following operations. For subtraction use complement's method:

    (ii) (11001)2 - (11110)2

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    2
  • 6.b.

    Perform the following operations. For subtraction use complement's method:

    (iii) (36)10 - (87)10

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    2
  • 6.b.

    Perform the following operations. For subtraction use complement's method:

    (iv) (110011)2 - (11111)2

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    2
  • 7.b.

    Convert the following

    (i) (8B5A)16 = (.........)10

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    2
  • 7.b.

    Convert the following -

    (ii) (125.75)10 = ()2

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    2
  • 7.b.

    Convert the following -

    (iii) (1765)8  = (.......)2

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    2
  • 7.b.

    Convert the following -

    (10111.101)2 = (.....)10

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    2
Click here to read notes of all subjects of BCA 1st Semester
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