Solapur University Question Paper
M.C.A. I (Semester – I ) Examination, 2014
(Commerce) (Old)
COMPUTER ORGANISATION
Day and Date : Saturday, 3-5-2014 Total Marks : 70
Time : 11.00 a.m. to 2.00 p.m.
Instructions : 1) Q. No. 1 and Q. No. 7 are compulsory.
2) Attempt any two questions from Q. No. 2, 3 and 4. Solve
any one question from Q. No. 5 and Q. No. 6.
3) Figures to right indicate marks to a question or sub question.
1. a) Choose the correct option and rewrite the sentences. 7
1) A computer adds and compares data in
a) Hard disk b) Floppy disk c) CPU chip d) Memory chip
2) A complete microcomputer system consists of
a) microprocessor b) memory
c) peripheral equipment d) all of a,b and c
3) CPU performs
a) memory storage b) logic operation
c) non arithmetic operation d) none of these
4) A stack is
a) an 8-bit register in the microprocessor
b) a 16-bit register in the microprocessor
c) a set of memory locations in R/WM reserved for storing information
temporarily during the execution of computer
d) a 16-bit memory address stored in the program counter
P.T.O.
5) The branch logic that provides decision making capabilities in the control
unit is known as
a) controlled transfer b) conditional transfer
c) unconditional transfer d) none of above
6) Interrupts which are initiated by an instruction are
a) internal b) external
c) hardware d) software
7) Processors of all computers, whether micro, mini or mainframe must have
a) ALU b) Primary Storage
c) Control unit d) All of a, b and c
b) State true or false. 7
1) A collection of 8 bits is called byte.
2) Memory access in RISC architecture is limited to instructions STA and
LDA.
3) A time sharing system imply more than one processor in the system.
4) A stack pointer is a 16-bit register in the microprocessor that indicate the
beginning of the stack memory.
5) Program register is used to keep track of address of the memory location
where the next instruction is located.
6) The control unit’s function in the CPU is to transfer data to primary storage.
7) A dedicated computer means assigned to one and only one task.
2. a) Differentiate amongst different types of software. 7
b) Compute ? in the following. 7
i) (1010101)2 = (?)16
ii) (1AB3)16 = (?)2
-3- SLR-GL – 1
3. a) Write a note on Multiplexer and De Multiplexer. 7
b) Explain any two types of shift registers. 7
4. a) Differentiate between ROM and EPROM. 7
b) Explain auxiliary, Associate, Cache and Virtual memory. 7
5. a) What is interrupt ? Explain various types of interrupts. 7
b) Differentiate between RISC and CISC. 7
6. a) Write a detail note on : 16 Bit (80286) Architecture. 7
b) Explain the features of Pentium Dual Core Processor’s Architecture. 7
7. What is parallel processing ? Explain various types of Multiprocessors. 14
____________
M.C.A. I (Semester – I ) Examination, 2014
(Commerce) (Old)
COMPUTER ORGANISATION
Day and Date : Saturday, 3-5-2014 Total Marks : 70
Time : 11.00 a.m. to 2.00 p.m.
Instructions : 1) Q. No. 1 and Q. No. 7 are compulsory.
2) Attempt any two questions from Q. No. 2, 3 and 4. Solve
any one question from Q. No. 5 and Q. No. 6.
3) Figures to right indicate marks to a question or sub question.
1. a) Choose the correct option and rewrite the sentences. 7
1) A computer adds and compares data in
a) Hard disk b) Floppy disk c) CPU chip d) Memory chip
2) A complete microcomputer system consists of
a) microprocessor b) memory
c) peripheral equipment d) all of a,b and c
3) CPU performs
a) memory storage b) logic operation
c) non arithmetic operation d) none of these
4) A stack is
a) an 8-bit register in the microprocessor
b) a 16-bit register in the microprocessor
c) a set of memory locations in R/WM reserved for storing information
temporarily during the execution of computer
d) a 16-bit memory address stored in the program counter
P.T.O.
5) The branch logic that provides decision making capabilities in the control
unit is known as
a) controlled transfer b) conditional transfer
c) unconditional transfer d) none of above
6) Interrupts which are initiated by an instruction are
a) internal b) external
c) hardware d) software
7) Processors of all computers, whether micro, mini or mainframe must have
a) ALU b) Primary Storage
c) Control unit d) All of a, b and c
b) State true or false. 7
1) A collection of 8 bits is called byte.
2) Memory access in RISC architecture is limited to instructions STA and
LDA.
3) A time sharing system imply more than one processor in the system.
4) A stack pointer is a 16-bit register in the microprocessor that indicate the
beginning of the stack memory.
5) Program register is used to keep track of address of the memory location
where the next instruction is located.
6) The control unit’s function in the CPU is to transfer data to primary storage.
7) A dedicated computer means assigned to one and only one task.
2. a) Differentiate amongst different types of software. 7
b) Compute ? in the following. 7
i) (1010101)2 = (?)16
ii) (1AB3)16 = (?)2
-3- SLR-GL – 1
3. a) Write a note on Multiplexer and De Multiplexer. 7
b) Explain any two types of shift registers. 7
4. a) Differentiate between ROM and EPROM. 7
b) Explain auxiliary, Associate, Cache and Virtual memory. 7
5. a) What is interrupt ? Explain various types of interrupts. 7
b) Differentiate between RISC and CISC. 7
6. a) Write a detail note on : 16 Bit (80286) Architecture. 7
b) Explain the features of Pentium Dual Core Processor’s Architecture. 7
7. What is parallel processing ? Explain various types of Multiprocessors. 14
____________
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