Exam 2: The System Unit, Processing, and Memory

Define ROM (read-only) memory. What is one important difference between ROM and RAM (random access memory)?

Terascale computing is the ability of a computer to process one ____ floating point operations per second (teraflops).

The number of bits being transmitted at one time is dependent on the bus width.

Network ports are used to connect a computer to a computer network via a networking cable-typically a cable using a(n) ____, which looks similar to a telephone connector but is larger.

Each place value in a binary number represents ____ raised to the appropriate power.

____________________ is a special group of very fast memory circuitry usually built into the CPU.

Case-Based Critical Thinking Questions Case 2-1 Jess is a musician who has just bought a new computer. Now she need to figure out how to connect this computer to the devices that were connected to her old computer. To connect her external hard drive, in which all of her music files are stored, to the computer, Jess needs to use a ____.

One nanometer (nm) is ____ of a meter.

To create 3D RAM or flash memory chips, the memory cells are stacked on top of one another in layers.

The ____________________   inside a computer delivers electricity to the computer via a power cord .

Each location in memory has an address.

Unlike ASCII and EBCDIC, Unicode is a universal international coding standard designed to represent text-based data written in any ancient or modern language, including those with different alphabets.

Expansion buses connect directly to ____________________ on the system unit case or to expansion slots on the motherboard.

The ____ allows a core to communicate with other CPU components, such as the memory controller and other cores.

Describe how Hyper-Threading Technology works.

Most CPUs today are ____________________ CPUs; that is, CPUs that contain the processing components or cores of multiple independent processors on a single CPU.

Case-Based Critical Thinking Questions Case 2-2 Jack has a computer at home that he uses to access the Internet, store and edit personal photos, and create and edit documents. Recently, he has come to realize that in order to keep the computer performing at its best, he needs to carry out regular system maintenance on the computer. Since Jack has a Windows system, he can right-click a hard drive icon in File Explorer, select Properties, and then select the ____ option on the Tools tab to check that hard drive for errors.

____ are small components typically made out of aluminum with fins that help to dissipate heat.

The system unit is the main case of a computer or mobile device. _________________________

Today's CPUs are formed using a process called ____ that imprints patterns on semiconductor materials.