Why Do Telescopes Have to Have a Good Motorized Drive

question 29

Multiple Choice

Why do telescopes have to have a good motorized drive system to move them quickly and smoothly?

• A) because the Earth is rotating, with the telescope attached to it
• B) because astronomers typically have to look at many objects in the sky in a few minutes
• C) because all objects in the sky vary in brightness very quickly
• D) because the telescope can then be moved out from under the clouds to where it is clear
• E) You can't fool me, telescopes never move; they stay in one position all night

Understand the initialization and scope of static variables.

Grasp the concept of passing by value vs. passing by reference in function calls.

Recognize the use and restrictions of external variables and function prototypes.

Understand the role and application of pointers in indirect addressing and function calls.

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Definitions:

Current Assets

Items that are likely to be cashed in, sold off, or used up within one year or during the usual operating period of a company.

Indirect Method

An approach used in cash flow statements to adjust net income for non-cash transactions and changes in working capital to calculate operating cash flow.

Operating Activities

Activities that constitute the primary or main activities of a business, including the production, sale, and delivery of its products and services.

Direct Method

A way of preparing the cash flow statement in which actual cash receipts and payments are reported, rather than adjusting net income for changes in non-cash accounts.