Exam 2: Computer Hardware

Case 2 Laura wants to buy a new computer. She is interested in the technical features of RAM, ROM, EEPROM, gigabyte capacity, and speed. She is also concerned with making sure that documents scroll faster, games respond more quickly, and many graphics operations take less time. Laura wants to make sure her computer is faster in her everyday use. What feature is the most important?

Power ____ can originate from a number of sources: downed power lines, power grid switching by the electric company, faulty wiring, and large appliances powering on and off.

DVD-R technology allows you to write data on a disk, and then change that data.

Whereas RAM is permanent and non-volatile, ROM is temporary and volatile.

The figure above shows examples of ____________________ devices.

Explain what the DVD format is.

The term ____ device designates equipment that might be added to a computer system to enhance its functionality.

Critical Thinking questions (Multiple Choice) Which of the following connectors would typically connect to the FireWire port?

In the context of computing, a(n) ____ is a custom, a hand-built modification to a computer system component.

System configuration information, such as the date and time, hard disk capacity, number of floppy disk drives, and RAM capacity, is stored in a non-volatile chip known as ____________________________________________________________, which requires no power to hold the data.

On some monitors, the viewable image does not stretch to the edge of the screen.

Compare storage devices using four criteria: versatility, durability, speed, and capacity.

A CRT's refresh rate is the speed at which the screen is repainted.

CD-R technology allows you to write data on a CD disk, and then change that data.

A(n) ____________________ is a touch-sensitive surface on which you can slide your fingers to move the on-screen pointer.

The item in the figure above is a(n) ____.

____ processing allows for multiple instructions to be executed simultaneously.

"160 GB 8 ms HD" means a hard disk drive with 160 megabyte capacity and an access time of 8 milliseconds.

Critical Thinking questions (Multiple Choice) Which is the highest resolution?

____ size refers to the number of bits that a microprocessor can manipulate at one time.