List of top Computer Organization and Architecture Questions on Binary, integer and floating-point- numbers

The values of x and y, if (x 567)₈+ (2yx5)₈ = (71yx)₈

Match List-I and List-II

LIST I		LIST II
A.	Binary coded Decimal	I.	4 bits are used to represent each digit
B.	ASCII	II.	Characters are represented by eight bits
C.	EBCDIC	III.	Character set supports Japanese and Chinese fonts
D.	UNICODE	IV.	Standard character codes used to store data

Choose the correct answer from the options given below:

Match List-I and List-II

LIST I		LIST II
A.	(123)s	I.	(0001 1111 1100)2
B.	(IFC)16	II.	(0011001)2
C.	(25)10	III.	(0001 0010 0011)2
D.	(123)16	IV.	(001 010 011)2

Choose the correct answer from the options given below:

Which of the following binary numbers are divisible by 4?
(A) 10101010101010
(B) 1110001110001
(C) 11001010100
(D) 1111000011
(E) 10010 1100

Given below are two statements:
Statement I: In order to reset carry without affecting accumulator content, one has to use ORAA.
Statement II: Octal code is minimal error code.
In the light of the above Statements, choose the most appropriate answer from the options given below :

Given below are two statements:
Statement I: 011010 is 2's complement representation of -37.
Statement II: (211)_s is octal representation of 137.
In the light of the above Statements, choose the most appropriate answer from the options given below :

Consider the unsigned 8-bit fixed point binary number representation below,
b₇ b₆ b₅ b₄ b₃. b₂ b₁ b₀
The position of binary point is between b₂ and b₃ which of the following can be represented exactly in the above representation.