Subject: Computer Organization
Course: B.Tech Branch: ECE (A & B) Year: III Sem: I
UNIT-1
1. Computer design is concerned with
a. The way hardware components operate and connected together to form
Computer system.
b. The determination of what hardware should be used and how the parts be connected.
c. The structure and behavior of the computer as seen by the user.
d. Design of electronic components of computer.
2. A digital computer with more than one processor is called as
a. Multi Programming System
b. Multiprocessor System
c. Multitasking System
d. Multi Computer System
3. Computer Organization is concerned with
a. The way hardware components operate and connected together to form Computer
system.
b. The determination of what hardware should be used and how the parts be
connected.
c. The structure and behavior of the computer as seen by the user.
d. Design of electronic components of computer.
4. Computer architecture is concerned with
a. The way hardware components operate and connected together to form
Computer system.
b. The determination of what hardware should be used and how the parts be
connected.
c. The structure and behavior of the computer as seen by the user.
d. Design of electronic components of computer.
5. In a computer system control information is transferred in
a. address and data buses
b. address and control buses
c. address bus only
d. control bus only
6. The part of the hardware of computer that controls the transfer of information between
computer and the outside word is
a. CPU
b. Memory
c. IOP
d. Microprocessor
7. The part of the hardware of computer that is used to manipulate data is
a. CPU
b. Memory
c. IOP
d. Microprocessor
8. The functional entity of computer system that does not have physical existence is
a. CPU
b. Hardware
c. Software
d. Logic gates.
9. Digital computers use
UandiStar.org
a. Decimal number system
b. Octal number system
c. Binary number system
d. Hexadecimal number system
10. A system software is
a. A program to solve particular problem of a user
b. A machine independent program
c. Operating system dependent program.
d. A program to make effective use of computer
11. Which of the following statement(s) is(are) correct?
a. Instructions in a stack-based organization take up less memory than general purpose
register organization instructions.
b. Programming is easier with stack-based organization compared to general purpose register
organization.
c. Programs tend to become shoter in stack-based organization compared to general purpose
register organization.
d. Instructions in a stack- based organization take up more memory than general purpose register
organization instructions.
12. Signed 1's complement representation of -14 with eight bits is
a. 11110001
b. 01110001
c. 10001110
d. 00001110
13. 2's complement representation of -32 with eight bits is
a. 01100000
b. 11100000
c. 00100000
d. 10010000
14. The 1' s complement of decimal number 21 in binary is
a. 01010
b. 10101
c. 11011
d. 10100
15. Signed 2's complement representation of +14 with eight bits is
a. 10001110
b. 11110010
c. 00001110
d. 11110001
16. 2's complement representation of 16 with eight bits is
a. 10001111
b. 11110010
c. 00001111
d. 00010000
17. The complement of decimal number 85 is
a. 84
b. 15
c. 14
d. 16
18. The complement of decimal number 65 is
a. 35
b. 34
c. 36
d. 66
19. The 1's complement of binary number 01011011 is
a. 11011011
b. 01100100
c. 10100100
d. 10111011
20. The 2's complement of binary number 01010001 is
a. 10101110
b. 10101111
c. 01001110
d. 01010010
21. Signed magnitude representation of -7 with eight bits is
a. 10000111
b. 00000111
c. 00001111
d. 10001000
22. The advantage with normalized floating-point number is
a. easy to represent
b. any base number can be represented
c. provide maximum possible precision
d. requires less number of CPU registers
23. A floating point number is said to be normalized
a. if the most significant digit of the mantissa is nonzero
b. if the most significant digit of the mantissa is zero
c. if mantissa is positive
d. if exponent is positive
24. In floating point representation the radix
a. must be represented physically
b. is assumed and not represented physically
c. has no significance
d. is represented separately along with position of radix point
25. In floating point representation the radix position
a. must be represented physically
b. is assumed and not represented physically
c. has no significance
d. is represented separately along with position of radix point
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