Password is a(n)(71)series of characters that enables a user(72)a file, computer or program. On multi - user systems,(73)user must enter his or her password(74)the computer will respond to commands. The password helps ensure that unauthorized users do not access the computer. In addition, data files and programs may require a password.Ideally, the password should be something(75)could guess. In practice, most people choose a password that is easy to remember, such as their name or their initials. This is one reason it is relatively easy to break into most computer system.

In enterprises, the gateway is the computer that(71) the traffic from a workstation to the outside network that is serving the Web pages. In homes ,the gateway is the(72) that connects the user to the internet.

Like personal computers, most workstations are(72)computers

The(72)is a collection of computers connected together by phone lines that allows for the global sharing of information.

It is the responsibility of the Master or person in charge of a ship to ensure that（）.

The Master or person in charge of a ship is required to log（）.

It is the responsibility of the Master or person in charge of a ship to ensure that（）.

Currently the Pentium chip or(71), made by(72), is the most common CPU though there are many other companies that produce processors for personal computers. One example is the CPU made by Motorola which is used in Apple computers. With faster processors the clock speed becomes more important. Compared to some of the first computers which operated at below 30 megahertz((73))the Pentium chips began at 75 megahertz in the late 1990g. As of mid 2003 speeds now exceed 3000 + megahertz or 3 gigahertz(check your local computer store for the latest speed). It depends on the(74)that the chip is housed in, or the(75), as to whether you are able to upgrade to a faster chip. The motherboard contains the circuitry and connections that allow the various component to communicate with each other.

The“person in the phrase ”to designate a person or persons ashore having direct access to the highest level of management” refers to （）.

the outcome thank your boss for the meeting, either in a personal note or computer message.

● Since RAM is only active when the computer is on, your computer uses disto store information even when the computer is off. Which of the following itrue? （74）（74）

Since RAM is only active when the computer is on, your computer uses disk to store information even when the computer is off. Which of the following is true?(74).