Q11➡| A certain computer represents floating point numbers by means of a signed magnitude fractional mantissa and an excess-16 base 4 exponent. The floating point format number is 110010111000. What is its decimal value?
i ➥ -3.5
ii ➥ -14
iii ➥-7/8
iv ➥-2
Q12➡| What is the maximum number of different Boolean functions involving n Boolean variables?
i ➥n^2^n
ii ➥ 2^n
iii ➥2^2^n
iv ➥n^2
Q13➡| A code with a Hamming distance d can :
i ➥ Detect d bit errors and correct (d – 1) bit errors.
ii ➥ Detect (d – 1) bit errors only with no error correction.
iii ➥Detect (d – 1) bit errors and correct (d – 1)/2 bit errors.
iv ➥Detect and correct all d bit errors.
Q14➡| A switching function f (A, B, C, D) = A′B′CD + A′BC′D + A′BCD + AB′C′D + AB′CD can also be written as.
i ➥ Σ(1, 3, 5, 7, 9)
ii ➥ Σ(3, 5, 7, 9, 11)
iii ➥Σ(3, 5, 9, 11, 13)
iv ➥ Σ(5, 7, 9,11,13)
Q15➡| The number 105 in decimal system is equal to
11……
12.(iii)
13. (iii)
14. (ii)
15. (ii)
11) C
12) C
13)B
14)B
15)D
Ans11-iii
Ans12-iii
Ans13-ii
Ans14-ii
Ans15-iv