CO_CSE2_Quiz1

The octal representation of a number is (342)₈ .What is the decimal equivalent of this number?

• 242

• 226

• 215

• 238

The 2’s complement representation of (-539)₁₀ in hexadecimal is

• ABE

• DBC

• DE5

• 9E7

Consider a 64 bit register which stores floating point numbers in IEEE double precision format with a bias of 1023

The decimal value corresponding to the given representation (rounded to 2 decimal places) is ____

• 27.5

• -27.75

• -29.5

• -28.5

What values of A, B, C and D satisfy the given simultaneous Boolean equations?

             

• 1. A=1, B=0, C=0, D=1

• 1. A=1, B=1, C=0, D=0

• 1. A=1, B=0, C=1, D=1

• 1. A=1, B=0, C=0, D=0

If there are m input lines and n output lines for a decoder that is used to uniquely address a byte addressable 1KB RAM, then the minimum value of m+n is ____

• 1024

• 1034

• 1044

• 1054

What is the equivalent Boolean expression in sum-of-products form for the K-map given below

• 
• 
• 
• None of them

A multiplexer with a 6 bit data select input is a

• 4 X 1 multiplexer

• 64 X 1 multiplexer 

• 16 X 1 multiplexer

• 1.  8X1 multiplexer

Zero has only one representation in

• Sign magnitude

•  1’s complement 

• 2’s complement

• Both sign magnitude and 1's complement

The smallest integer that can be represented by an 8-bit number in 2’s complement form is ____

• -256

•  -128

• -127

• 0

 How is the J-K flip flop made to toggle?

• J=0, K=0 

• J=1,K=0

• J=0, K=1

• J=1,K=1