Crowdly

a signal is sampled at 20kHz, what is the value of Nyquist?

-1000

5,000

1,000

10,000

100%

Assume that a college student spends all of her income on cola and candy bars. During finals week, the price of a candy bar is $1.25 and a can of cola costs $0.75. If she has $32.50 of income, what could she choose to consume?

None of the above.

22 candy bars and 14 cans of cola

24 candy bars and 12 cans of cola

20 candy bars and 10 cans of cola

15 candy bars and 18 cans of cola

What can we say about a consumer who doesn’t spend all of her income?

She is at a point inside her budget constraint.

She is consuming at a point where her budget constraint touches one of the axes.

None of the above.

She is at a point outside of her budget constraint.

She is NOT consuming positive quantities of all goods.

Which of the following is NOT a prediction of marginal utility theory?

Other things remaining the same, the higher the price of a good, the smaller the quantity demanded.

Diminishing marginal utility.

Other things remaining the same, the lower the price of a good, the greater the quantity demanded.

Other things remaining the same, the lower the price of a good, the smaller is the consumption of substitutes for that good.

The law of demand.

The substitution effect is the change in quantity demanded that occurs

with a change in the relative prices of two or more goods.

as a result of a change in relative prices, with real income held constant.

as a result of a change in relative prices with money income held constant.

as a result of a change in absolute prices, with real income held constant.

when one good is substituted for another.

Quel périphérique informatique est souvent oublié lors de la protection d'un réseau ?

Les imprimantes réseau car elles sont accessibles via le réseau

Les cartes audio car elles sont souvent la cible d'attaque de virus

Les souris sans fil sont souvent exploitées par les mouseware

L'affirmation suivante vous paraît-elle sûre ou pas sûre pour vos données professionnelles ?

Je laisse mon collègue utiliser mon poste pendant que je vais en réunion.

Pas sûr

Sûr

Est-ce que le smartphone a besoin d'un antivirus ?

Oui, c'est tout aussi important qu'un ordinateur

Non, le smartphone ne pas du tout être attaqué par un virus

Non, le smartphone est un téléphone intelligent donc imprenable par les virus

When Jim is at his best affordable point, the budget line

does not touch the highest attainable indifference curve.

is tangent to the highest attainable indifference curve.

intersects the highest attainable indifference curve.

is steeper than the highest attainable indifference curve.

is flatter than the highest attainable indifference curve.