In the attached answer sheet, put the letter that corresponds to the correct answer in the cell that corresponds to the question number in the table.

$(1,2,\}$ is

a$-$ real sequence b$-$complex sequence c$-$periodic sequence d$-$NON

$cos(1\mathrm{.}2n)$ and $cos(0\mathrm{.}8n)$ are

a$-$ aliasing b$-$in$-$phase c$-$out$-$of$-$phase d$-$NON

if $(1,2,3\},$ then $x(-n+1)=?a-(0,3,2,1),b-(3,2,1,0),c-(0,0,3,2,1),d-$NON

$\{$first digit at $n=0$

if $x(n)=\{3,-2j,1,2j,3\},x(0)=1.$ This sequence is

a$-$ Conjugate Symmetric b$-$conjugate anti$-$symmetric c$-$symmetric d$-$NON

$\{1,0,2,0,3,0)$ if $x(n)=$ a$-(1,2,3\}$

b$-(1,0,2,3)$

c$-[1,0,2,0,3,0)$

d$-$NON

$x(n)=sin200n+5sin20n$ its sampling frequency should be fs $a-200Hz$

b$-400$Hz

$c-100Hz$

d$-$ NON

$(1,2,3\}$ where $x(0)=2.$ This sequence is

$a-$ anti$-$causal sequence b$-$causal sequence $c-$left sided seq.

d$-$NON