The Most Common Type of Main Memory Is a Semiconductor

question 40

Multiple Choice

The most common type of main memory is a semiconductor memory chip made of _____ .

• A)arsenic
• B)germanium
• C)silicon
• D)manganese

---

Definitions:

Unemployment Problem

A socioeconomic issue characterized by a high number of individuals in the workforce who are unable to find jobs.

IRR Criterion

The Internal Rate of Return (IRR) criterion is a financial metric used to evaluate the profitability of investments by identifying the interest rate at which the net present value of all cash flows (both positive and negative) from a project or investment equals zero.

NPV Method

The Net Present Value method, a way to evaluate investments by calculating the present value of all cash flows associated with the investment, minus the initial investment cost.

Mutually Exclusive

Situations or options where the choice of one excludes the ability to choose any of the other options.