Computer Organization

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WORL

D

Code No: 55021 Set No. 1

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD III B.Tech. I Sem., I Mid-Term Examinations, Aug/Sept 2013

COMPUTER ORGANIZATION Objective Exam

Name: ______________________________ Hall Ticket No.

Answer All Questions. All Questions Carry Equal Marks.Time: 20 Min. Marks: 10. I Choose the correct alternative: 1. Which among the following is not a system software [ ]

A) Compiler B) Word Processor C) Assembler D) Linker 2. Parity generator and checker networks are logic circuits constructed with [ ]

A) NAND B) NOR C) Exclusive-OR D) OR 3. Zero address instructions in a stack organized computer are ________ mode. [ ]

A) Immediate B) Implied C) Direct D) Indirect 4. In computers, subtraction is generally carried out by [ ]

A) 9s Complement B) 10s Complement C) 1s Complement D) 2s Complement 5. The address of microinstruction is specified in [ ]

A) Memory Address Register B) Control Address Register C) Program Counter D) None

6. The number of bits required to represent a character from ASCII code set is [ ]

A) 7 B) 8 C) 2 D) 5 7. The Interrupt cycle is hardware representation of [ ]

A) BUN B) ISZ C) BSA D) SNZ 8. Using 2s Complement, subtraction, of (1010)2 from (0011)2 [ ]

A) (0111)2 B) (1001)2 C) (0111)2 D) (1001)2 9. Half Adder consists of _________ gates [ ]

A) Ex-OR, AND B) Ex-OR, OR C) Ex-OR, NOT D) Ex-OR, NAND 10. For a memory unit with 4096 words we need how many address bits? [ ] A) 6 B) 15 C) 12 D) 8

Cont..2

A

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Code No: 55021 :2: Set No. 1 II Fill in the blanks 11. When the control signals are generated by hardware, the control unit is said to be

____________________ 12. A floating point number is said to be normalized if the most significant bit of the mantissa is __________________ 13. The operations executed on data stored in registers are called ____________________. 14. The translation of a symbolic program into binary is done by an _________________. 15. A sequence of microinstructions constitutes a __________________. 16. The stack organization is effective for evaluating __________________ . 17. The basic performance equation is T=____________. 18. _______________ register stores the address of the next instruction to be read from memory. 19. Internal interrupts are also called as _______________. 20. ________________ architecture has a simplified instruction set with reduced execution time.

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JNTU

WORL

D





Answer All Questions. All Questions Carry Equal Marks.Time: 20 Min. Marks: 10. I Choose the correct alternative: 1. In computers, subtraction is generally carried out by [ ]







A) Ex-OR, AND B) Ex-OR, OR C) Ex-OR, NOT D) Ex-OR, NAND 7. For a memory unit with 4096 words we need how many address bits? [ ] A) 6 B) 15 C) 12 D) 8 8. Which among the following is not a system software [ ]



A) Immediate B) Implied C) Direct D) Indirect

Cont..2

A



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WORL

D

Code No: 55021 :2: Set No. 2 II Fill in the blanks 11. The translation of a symbolic program into binary is done by an _________________. 12. A sequence of microinstructions constitutes a __________________. 13. The stack organization is effective for evaluating __________________ . 14. The basic performance equation is T=____________. 15. _______________ register stores the address of the next instruction to be read from memory. 16. Internal interrupts are also called as _______________. 17. ________________ architecture has a simplified instruction set with reduced execution time. 18. When the control signals are generated by hardware, the control unit is said to be

____________________ 19. A floating point number is said to be normalized if the most significant bit of the mantissa is __________________ 20. The operations executed on data stored in registers are called ____________________.

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JNTU

WORL

D





Answer All Questions. All Questions Carry Equal Marks.Time: 20 Min. Marks: 10. I Choose the correct alternative: 1. The number of bits required to represent a character from ASCII code set is [ ]










Cont..2

A



JNTU

WORL

D

Code No: 55021 :2: Set No. 3 II Fill in the blanks 11. The stack organization is effective for evaluating __________________ . 12. The basic performance equation is T=____________. 13. _______________ register stores the address of the next instruction to be read from memory. 14. Internal interrupts are also called as _______________. 15. ________________ architecture has a simplified instruction set with reduced execution time. 16. When the control signals are generated by hardware, the control unit is said to be

____________________ 17. A floating point number is said to be normalized if the most significant bit of the mantissa is __________________ 18. The operations executed on data stored in registers are called ____________________. 19. The translation of a symbolic program into binary is done by an _________________. 20. A sequence of microinstructions constitutes a __________________.

-o0o-



JNTU

WORL

D





Answer All Questions. All Questions Carry Equal Marks.Time: 20 Min. Marks: 10. I Choose the correct alternative: 1. Using 2s Complement, subtraction, of (1010)2 from (0011)2 [ ]










A) BUN B) ISZ C) BSA D) SNZ

Cont..2

A



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WORL

D

Code No: 55021 :2: Set No. 4 II Fill in the blanks 11. _______________ register stores the address of the next instruction to be read from memory. 12. Internal interrupts are also called as _______________. 13. ________________ architecture has a simplified instruction set with reduced execution time. 14. When the control signals are generated by hardware, the control unit is said to be

____________________ 15. A floating point number is said to be normalized if the most significant bit of the mantissa is __________________ 16. The operations executed on data stored in registers are called ____________________. 17. The translation of a symbolic program into binary is done by an _________________. 18. A sequence of microinstructions constitutes a __________________. 19. The stack organization is effective for evaluating __________________ . 20. The basic performance equation is T=____________.

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Computer Organization