a. What is a computer network? b. Give an example of a computer network. c. What are the advantages of computer networks?

Which of the following statements is true of network-management software?

• a). With network-management software, a manager on a networked personal computer can scan for viruses.
• b). Network management software complicates the process of updating files and programs on computers on the network.
• c). Network management software allows the software to be copied, modified, or downloaded legally or illegally.
• d). One disadvantage of network-management software is that it increases the time spent on routine tasks.

What two things are required for a healthcare facility's computer network to access the internet?

How does a VLAN provide extra security for a network?

A computer network consists of six computers. Each computer is directly connected to at least one of the other computers. Show that there are at least two computers in the network that are directly connected to the same number of other computers.

What is a client when discussing home networks?

Diagram the statement below. Then answer the questions that follow.

Three fourths of the questions on the test were multiple-choice. There were $60$ multiple-choice questions.

(a) How many questions were on the test?

(b) What percent of the questions on the test were not multiple-choice?

Every third day, a computer network administrator analyzes the company’s network logs to check for signs of computer viruses.

Network segmentation decreases both performance and security on a network?

What are the advantages to finite capacity scheduling?

The logical unit of the computer that receives information from outside the computer for use by the computer is the _______.

Dr. Schekter, DVM, opened a veterinary clinic on May 1, 2011. The business transactions for May are shown below:
May 1 Dr. Schekter invested $\$ 400,000$ cash in the business in exchange for 5,000 shares of capital stock.
May 4 Land and a building were purchased for $\$ 250,000$. Of this amount, $\$ 70,000$ applied to the land, and $\$ 180,000$ to the building. A cash payment of $\$ 100,000$ was made at the time of the purchase, and a note payable was issued for the remaining balance.
May 9 Medical instruments were purchased for $\$ 130,000$ cash.
May 16 Office fixtures and equipment were purchased for $\$ 50,000$. Dr. Schekter paid $\$ 20,000$ at the time of purchase and agreed to pay the entire remaining balance in 15 days.
May 21 Office supplies expected to last several months were purchased for $\$ 5,000 \mathrm{cash}$.
May 24 Dr. Schekter billed clients $\$ 2,200$ for services rendered. Of this amount, $\$ 1,900$ was received in cash, and $\$ 300$ was billed on account (due in 30 days).
May 27 A $\$ 400$ invoice was received for several radio advertisements aired in May. The entire amount is due on June 5 .

May 28 Received a $\$ 100$ payment on the $\$ 300$ account receivable recorded May 24.
May 31 Paid employees $\$ 2,800$ for salaries earned in May. A partial list of account titles used by Dr. Schekter includes:

$$\begin{array}{ll}\text { Cash } & \text { Notes Payable } \\ \text { Accounts Receivable } & \text { Accounts Payable } \\ \text { Office Supplies } & \text { Capital Stock } \\ \text { Medical Instruments } & \text { Veterinary Service Revenue } \\ \text { Office Fixtures and Equipment } & \text { Advertising Expense } \\ \text { Land } & \text { Salary Expense } \\ \text { Building } & \end{array}$$

b. Prepare journal entries (including explanations) for each transaction.

a. How is information transmitted to radios and televisions? b. What happens to an electronic signal when it reaches your television?

Dr. Schekter, DVM, opened a veterinary clinic on May 1, 2011. The business transactions for May are shown below:
May 1 Dr. Schekter invested $\$ 400,000$ cash in the business in exchange for 5,000 shares of capital stock.
May 4 Land and a building were purchased for $\$ 250,000$. Of this amount, $\$ 70,000$ applied to the land, and $\$ 180,000$ to the building. A cash payment of $\$ 100,000$ was made at the time of the purchase, and a note payable was issued for the remaining balance.
May 9 Medical instruments were purchased for $\$ 130,000$ cash.
May 16 Office fixtures and equipment were purchased for $\$ 50,000$. Dr. Schekter paid $\$ 20,000$ at the time of purchase and agreed to pay the entire remaining balance in 15 days.
May 21 Office supplies expected to last several months were purchased for $\$ 5,000 \mathrm{cash}$.
May 24 Dr. Schekter billed clients $\$ 2,200$ for services rendered. Of this amount, $\$ 1,900$ was received in cash, and $\$ 300$ was billed on account (due in 30 days).
May 27 A $\$ 400$ invoice was received for several radio advertisements aired in May. The entire amount is due on June 5 .

May 28 Received a $\$ 100$ payment on the $\$ 300$ account receivable recorded May 24.
May 31 Paid employees $\$ 2,800$ for salaries earned in May. A partial list of account titles used by Dr. Schekter includes:

$$\begin{array}{ll}\text { Cash } & \text { Notes Payable } \\ \text { Accounts Receivable } & \text { Accounts Payable } \\ \text { Office Supplies } & \text { Capital Stock } \\ \text { Medical Instruments } & \text { Veterinary Service Revenue } \\ \text { Office Fixtures and Equipment } & \text { Advertising Expense } \\ \text { Land } & \text { Salary Expense } \\ \text { Building } & \end{array}$$

c. Post each transaction to the appropriate ledger accounts.