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Q: Which of the following solutions would you implement to eliminate switching loops?

Answer:

spanning tree

 

Q: Which of the following solutions would you implement to eliminate switching loops?

Answer:

spanning tree

 

Q: How many times will the following loop display “Hello“? for (int i = 1; i < 20; i++) cout << “Hello!“ << endl;

Answer:

19

 

Q: How many times will the following loop display “Hello“? for (int i = 20; i > 0; i--) cout << “Hello!“ << endl;

Answer:

20

 

Q: Positive feedback loops are impossible to stop once they have begun.

Answer:

FALSE

 

Q: Which of the following loops prints “Welcome to Java“ 10 times?

A: for (int count = 1; count <= 10; count++) { System.out.println(“Welcome to Java“); }

B: for (int count = 0; count < 10; count++) { System.out.println(“Welcome to Java“); }

C: for (int count = 1; count < 10; count++) { System.out.println(“Welcome to Java“); }

D: for (int count = 0; count <= 10; count++) { System.out.println(“Welcome to Java“); }

Answer:

AB

 

Q: Which is the best description of the loops in a tRNA molecule?

Answer:

Regions of the molecules that remain as single-stranded RNA due to the absence of complementary base pairs

 

Q: Enclosing a group of statements inside a set of braces creates a:

Answer:

Block of statements

 

Q: Validation loops are also known as

Answer:

error traps

 

Q: The long nephron loops of the juxtamedullary nephrons are located in the Answer:

renal medulla.

 

Q: How many different secondary structures (hairpins) may be formed by the trp leader mRNA?

Answer:

3 The trp leader mRNA may form 3-4, 2-3, and 1-2 stem loops.

 

Q: Loops are frequently used to ____; that is, to make sure it is meaningful and useful.

Answer:

validate data

 

Q: In all but rare cases, loops must contain within themselves:

a. nested loops

b. if statements

c. arithmetic statements

d. a way to terminate

Answer:

a way to terminate

 

Q: Which layer of the epidermis contains the greatest concentration of keratin?

Answer:

stratum corneum.

 

Q: Which of the following loops cannot be nested in a For loop?

a. Do While

b. all of the above can be nested in a For loop

c. For d. While e. Repeat Until

Answer:

b. all of the above can be nested in a For loop

 

Q: Nephrons located close to the medulla with long nephron loops are called ________ nephrons.

Answer:

juxtamedullary

 

Q: One method of preventing routing loops is to not send information about a route back to the router from which the information came. What is this technique called?

Answer:

Split horizon

 

Q: A break statement can be used only in a loop. True/False

Answer:

FALSE

 

 

Q: T or F: Positive feedback loops are impossible to stop once they have begun.

Answer:

False; There is always a physiological stopping mechanism

 

Q: Both the while loop and the for loop are examples of pretest loops. (T/F)

Answer:

TRUE

 

Q: Which of these are posttest loops?

A ) While and Do-While

B ) While and Do-Until

C ) Do-While and Do-Until

D ) Do-Until and For

E ) Do-While and For

Answer:

Do-While and Do-Until

 

Q: In addition to using loops to validate data, ________ can also be used to validate data.

Answer:

Boolean Function

 

Q: The thick tangle of capillary loops found within a corpuscle is known as the:

Answer:

glomerulus

 

Q: Both the while loop and the for loop are examples of pretest loops.

Answer:

TRUE

 

Q: Which is the best description of the loops in a tRNA molecule?

Answer:

Regions of the molecules that remain as single-stranded RNA due to the absence of complementary base pairs

 

Q: You usually use the for loop with ____ loops.

Answer:

definite

 

Q: Validation loops are also known as ___.

Answer:

error traps

 

Q: In phase music, loops are played unaltered.

Answer:

FALSE

 

Q: True or False You may nest while and do-while loops, but you may not nest for loops.

Answer:

FALSE

 

Q: ____ loops are called posttest loops.

a. for

b. break

c. while Correctd.

do while

Answer:

d. do while

 

Q: Negative feedback in reflex loops __________.

Answer:

is common because it promotes homeostasis

 

Q: Programmers rarely use indefinite loops when validating input data.

Answer:

FALSE

 

Q: What benefit do animals get from having very long loops of the nephron?

Answer:

They can send more water back to circulation.

 

Q: Which of the following is the site where we would find the majority of the nephron loops?

Answer:

Renal Pyramids; The loops of all nephrons travel into the medulla and renal pyramids where urine is concentrated.

 

Q: In Python, an infinite loop usually occurs when the computer accesses an incorrect memory address.

Answer:

FALSE

 

Q: Which structure coordinates complex motor patterns through feedback loops?

Answer:

cerebellum

 

Q: Validation loops are also known as: a. error traps. b. doomsday loops. c. error avoidance loops. d. defensive loops.

Answer:

error traps

 

Q: Which of the following loops does not have an entry condition?

a. EOF-controlled while loop

b. sentinel-controlled while loop

c. do while loop

d. for loop

Answer:

c. do while loop

 

Q: The long nephron loops of the ______________nephrons are located in the renal __________.

Answer:

juxtamedullary, medulla

 

Q: In all but rare cases, loops must contain within themselves:

Answer:

A way to terminate.

 

Q: The demand curve for Froot Loops breakfast cereal is very elastic because:

Answer:

there are many good substitutes for Froot Loops.

 

Q: The two loops in the circular-flow diagram represent

Answer:

the flows of inputs and outputs and the flow of dollars.

 

Q: Which of the following loops executes the statements inside the loop before checking the condition?

a) for

b) while

c) do

d) do-for

Answer:

c

 

Q: Which of the following are correct about for and while loops?

Answer:

for loops operate over a fixed list of items and while loops have a test each cycle to determine if it should run again.

 

Q: Which of the following loops does not have an entry condition?

a. BOF-controlled while loop

b. sentinel-controlled while loop

c. do while loop

d. for loop

Answer:

c. do while loop

 

Q: Which of the following for loops is illegal?

A. for (int i = 0; ; ) { }

B. for (int i = 0) { }

C. for (int i = 0, k = 1; ; i++) { }

D. for ( ; ; )

Answer:

for (int i = 0) { }

 

Q: Validation loops are also known as

Answer:

defensive programming loops

 

Q: Write a for loop that prints the integers 0 through 39, each value on a separate line.

Answer:

for x in range (0, 40): print(x)

 

Q: Inversion loops do NOT form during meiosis in paracentric inversion heterozygotes. (T/F)

Answer:

False Loop formation allows pairing within inverted regions of homologous chromosomes regardless of whether the centromere is included in the inversion.

 

Q: In a DSL environment, local loops from many customers enter and are connected to the

Answer:

main distribution center

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