Showing posts with label Computer Questions. Show all posts
Showing posts with label Computer Questions. Show all posts

Questions : BCA 1st Year (magadh University)


BCA Paper I (2012)
Time : 3 hours
Full Marks : 75

Candidates are required to give their answers in their own words as far as practicable. 
The Questions are of equal value.

Answer any five questions, including question no.1 which is compulsory.


1. Choose the correct answer:
(i) A computer is a box full of electronic:
                (a) Switching device
                (b) Chips
                (c) Circuits
                (d) Register
(ii) The term ‘Memory’ applies to which of the following:
(a)    Logic
(b)   Storage
(c)    Control
(d)   Input device
(iii) Linkage between the CPU and the users is proved by:
(a)    Storage
(b)   Control Unit
(c)    Peripheral devices
(d)   Software
(iv) Which chips are erasable by ultraviolet rays after removing them from the main Circuit?
(a)    EPROM Chips
(b)   EEPROM Chips
(c)    PROM Chips
(d)   All of the above
(v) Conversion of decimal number 9910 to its binary number equivalent to :
                (a) 11000112
                (b) 10000012
                (c) 111000012
                (d) 11110002
(vi) Which register holds the intermediate results in ALU?
(a)    Instruction Register
(b)   Accumulator
(c)    Address Register
(d)   Program Counter
(vii) The three sequential function for CPU operations are:
(a)    Decode, fetch, execute
(b)   Execute, decode, fetch
(c)    Fetch, execute, decode
(d)   Fetch, decode, execute
(viii) The circuit that is used for parallel to serial conversion is:
(a)    Decoder
(b)   Encoder
(c)    Multiplexer
(d)   DE multiplexer
(ix) Static RAM stores binary values in:
(a)    Capacitor
(b)   Flip-flop
(c)    Register
(d)   None of  the above
(x)  Which of the following is a non-impact printer?
                (a) Daisy Wheel Printer
                (b) Drum Printer
                (c) Laser Printer
                (d) None of the above

2. What is Digital  Computer? Describe about the different components of Computer.
3.     (a) What do you mean by microprocessor? Draw the architecture of Intel 8088 Microprocessor.
        (b) Differentiate between RISC & CISC technology.
4.     (a)What is an algorithms and flow chart? What are the different symbols used in flow-chart?
        (b) Draw a flow chart to find the largest of three given numbers A,B and C
5.     (a) Draw the block diagram of DMA controller. Explain its operation.
        (b) What is Assembly Language? Write the differences between Assembler and Compiler.
6. Describe the roles that RAM and ROM Play within the Computer, their main purpose and what 
    distinguishes the two types of memory.
7. Differentiate between the followings:
        (a) Impact and Non-Impact Printers.
        (b) Uniprocessor and Multiprocessor.
        (c) Analog, Hybrid and Digital Computers.
8.     (a) Describe about the basic features of DOS? How you Create batch file in DOS
        (b) What do you mean by External and Internal Commands? Describe any five each of external 
             and Internal Command.
9.     (a) Why is the binary number system used for Computer? Explain.
        (b) Subtract the following binary numbers using 2’s Compliments representation of negative numbers.
                (i) 101101.0011-100101.0001
                (ii) 11011.110-101.001
                (iii) 10111.1001-11000.1101
10. Write short notes on any three of the following:
        (i) Characteristics & Application of Computer
        (ii) Management Information System
        (iii) Evolution of microprocessor
        (iv) arithmetic and Logic Unit
        (v) Tele-conferecning.

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Questions : BCA 2nd Year (magadh University)

BCA Paper -III (2006)

1. WAP to find the simple interest.
2. differentiate between a lan and an. what is a communication protocol? what are he normal functions    
    performed by there protocol.
3. explain the principle of duality  boolean algebra construct logic diagram for the Booolean expression    
     using AND/OR/NOT gates
A.B+A.B
(A+B).(A.B)
4. explain the store and forward method f message switchiing. Give the dvantage and disadvantage of  
     this message switcing technique what is package switching.
5. WAP to find the average of the no entered from keyboard.
6. WAP are half adder a full dder construct. logic circuit diagram for a half adder using only either NAND
     or NOR gates.
7. what is a repeter? what are encoder and decoder
8. write short notes on
a.optical fibre,
b.ISO-03I MOdel
c.K-Maps
9.satellite communication diifferent question of computer language serial and parellel communication.
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Questions : BCA 2nd Year (Magadh University)

Paper IV
1.         a) Define deferent data structure operations also define linear  and non-linear data structures
b) Explain time complexity of algorithm.
c) Explain time mean by an array give their characteristic features.
2.         a) what do you mean by an array? Give their characteristics features.
b) what is stack? How is it different from queue? what are the possible operations thhat can be
                   performed on the stack?
3. Define binary search tree. how can it be stored in computer memory as lan array? give suitable  example?
4. What are the different types 01 sorting ? give algorithm for bubble sort. also calculate the complexity.
5. What is linked list? how is it different from array? how can insertion and deletion operation be performed
   in the linked list?
6. Differentiate among graph Tree, binary tree and complete binary tree.
7. Construct the given infix expression into postfix expression
A+ (B*C-(D/E^F)*G)*H
8. Write the algorithm of quick sort and calculate the complexity of quick sort in wrost case.
9. Write the algorithm of kruskal and prim's for minimum spanning tree.
10. Write short notes on any three of the following-
a) Depth and breath first search
b) Hash table and collision resolution technique
c) Heap Sort
d) Traversal of binary tree.
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