Is the following statement true? "The value of the zero flag bit is $0$ if the result of the arithmetic operation is zero."

D TRUE

FALSE

$14.$ In the case of the $09000$ word, we perform sign extension to a double word size. What is the result in hexadecimal?

D OxFFFF$9000$

$000009000$

$080009000$

none of the answers are correct

$15.$ We calculate with $8-$bit, unsigned integers. What is the decimal sum of the decimal numbers $253$ and $4?$

$256$

$1$

$0$

none of the answers are correct

$16.$ The addition of $256-$bit numbers can be traced back to $32-$bit addition instructions. Which statement is not included in the solution?

ADD

ADC

SBB

none of the answers are correct

$17.$ Which of the following $4-$bit numbers are not a pseudo$-$tetrad?

$1111$

$1010$

$0101$

none of the answers are correct

$18.0$xDE$800000$ is a $32-$bit number according to the IEEE$-754$ standard. What is the hexadecimal form of $(-1)-$ times the number $?$

$0xFC800000$

$0CE800001$

$04E800000$

$$ none of the answers are correct

$19.$ Is the following statement true: "The logical EXCLUSIVE$-$OR operation is associative."

TRUE

FALSE

$20.$ The superscalar architecture is characterized by:

vector registers

at least two pipelines

more functional units for the IE phase

none of the answers

$21.$ For the IA$32$ ISA, which register contains the address of the next free space on stack?

ESP

EBX

EIP none of the answers are correct

$22.$ The speed of an HDD is $7200rpm.$ What is the turnaround time of a complete track in ms $?$

~~$0\mathrm{.}011ms$

$90ms$

~~$11ms$

none of the answers are correct

$23.$ What is the data transfer rate for $9600$ baud and $2$ elementary signals?

$9600$ bit$/$s

$4800bi\frac{t}{s}$

$19200$ bit$/$s

none of the answers are correct

$24.$ Is the following statement true? "UTF$-8$ is backwards compatible with $7-$bit ASCII."

TRUE

FALSE

$25.$ Is the following statement true? "Colour production in laser printers is additive.

TRUE

FALSE