Questions : BCA 1st Year (magadh University)

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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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1 comment :

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