**The LSB of binary number 10111 has a weight of**

1

2

2*2

2*2*2

**Real number are represented in memory by exponent &mantissa**

2"s compliment

1"s compliment

sign & magnitude

**Expansion of ASCII is**

American Standard Code For information interchange

American Standard Code for internet information

American source code for information interchange

none of these

**Unicode provides capacity to encode**

all charactors in all languages

latin only

english

ASCII

**2's compliment of a binary number is calculated by**

adding 1 to 1"s compliment

adding 1 to mantissa

multiplying by -1

adding 1 to exponent

**Integer can be represented in binary by**

Sign & magnitude

1s compliment

2s compliment

All of these

**Total number which can be represented by 1's compliment**

2^(n-1)

2^(n+2)

2^n

2n-1

**Pick out the odd one**

Validity

Storage

Input of data

Output of data

**In sign & magnitude method 0 stands in MSB for**

+ve number

-ve number

integer

real number

**ASCII code is --------bit code**

7 bit

7 MB

7GB

7byte

**2's compliment of 0 is**

0

1

2

-1

**To calculate 1's compliment of a binary number replace**

0 to 1&1to 0

1 to 2& 2 to 1

0 to 2 & 2 to 1

none of these

**addition of binary number 1+1=**

0

2

-1

101

**In substraction of binary number 0-1=**

1

010

-1

0

**Nowadays which type of data processing is used**

Commercial

Industrial

Electronic

scientific

**Number system used nowadays is**

Decimal

Octal

Hexa decimal

Binary

**Which is 1's compliment of 0111**

1000

1111

1100

0001

**The most widely used alpha numeric code is**

ASCII

ASCI

Unicode

none of these

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