Exam 5: The System Unit

Desktop computers have a ________ unit,located within the system unit,that plugs into a standard wall outlet,converts AC to DC,and provides the power to drive all the system unit components.

Most personal computers allow users to expand their systems by providing these on the system board.

Pathways that support communication among the various electronic components on the system board are called ________.

A ________ is the number of bits that can be accessed at one time by the CPU.

The ________ system consists of only two digits-0 and 1.

MiniDP ports are an audiovisual port typically used to connect large monitors.

________ allow a single computer to run two or more operations at the same time.

Virtual memory is stored on a RAM chip.

Tiny circuit boards etched onto squares of sandlike material,called silicon,are called ________.

The processing speed of a microprocessor is typically represented by its ________.

________ ports provide high-speed connections for external disk drives,optical disks,and other large secondary storage devices.

Term used to describe the number of bits that a CPU can access at one time.

A 32-bit-word computer can access ________.

The ALU tells the rest of the computer system how to carry out a program's instructions.

Read-only memory (ROM)chips have information stored in them by the manufacturer.

________ operations consist of making comparisons.

________ ports provide high-speed connections for up to seven separate devices connected one to another.

A bus is a pathway for bits representing data and instructions.

Which of the following is a function of the control unit?

Describe the character encoding schemes.