The System Unit

The original character encoding scheme used by personal computer was ____________.

ASCII

Select all the character encoding schemes.

ASCII Unicode EBCDIC

Select all of the items that are components of a system board. Check all that apply.

Bus Lines Slots Sockets

A ________ repairs and installs computer components and systems.

Computer Technician

Select all the characteristics of buses. Check all that apply.

Connect the parts of the CPU to each other. Provide a pathway to connect the CPU to other components on the motherboard. Are like a multilane highway that moves bits from one location to another.

Select all the types of memory. Check all that apply.

Flash Random-Access Read-Only

Select all the components that are common to all system units. Check all that apply.

Memory System board Microprocessor

Which of type of specialized port is used for larger monitors?

MiniDP

Select all the basic types of personal computer system units. Check all that apply.

Tablet Wearable Cell Phone Laptop Desktop

The _________ is the "brains" of the computer system

microprocessor

The mouse, keyboard, and speakers are some of the things that would be plugged into on the back of the system unit.

ports

AC can be converted to DC using a ________ unit or AC adapter.

power supply

ROM stands for __________.

read-only memory

In the microprocessor, a _________ can be represented by a negative charge.

1

Place the units of time used to measure CPU clock speed in order, with the slowest speeds at the top and the fastest speed at the bottom

1. Microsecond 2. Nanosecond 3. Picosecond 4. Femtosecond

The hexadecimal system uses _________ digits to represent binary numbers, with each hex digit representing four binary digits.

16

__________ is a holding area for data, instructions, and information.

A memory chip

Select all the components of a CPU. Check all that apply.

Arithmetic-logic unit Control unit

These are all examples of __________.

Cables

The original character encoding scheme used by mainframe computer was ____________.

EBCDIC

Select the best option of what would typically be inserted into this slot on the system board.

Expansions Card

Select all the types of expansion cards

Graphics Cards Network Interface Cards Wireless Network Cards

This is an example of _________ chips mounted on a circuit board.

RAM

Like __________, flash memory does not lose its contents when the power of the computer system is turned off.

ROM

Select all the devices that are wearable computers, an evolutionary step to the Internet of Things (IOT). Check all that apply.

Smartwatch Activity Tracker

Select all the functions of the control unit. Check all that apply.

Tells the rest of the computer system how to carry out program instructions. Directs control signals between the central processing unit and input and output devices. Directs the movement of electronic signals between memory and the ALU.

Select all the examples of standards ports.

USB HDMI Ethernet

Select al the types of expansion buses. Check all that apply.

USB PCIe FireWire

The _________ character encoding scheme is currently the most widely used and is recognized by virtually every computer system.

Unicode

Before any processing can occur, the computer must convert analog signals into ________ signals.

digital

In order to represent numbers, letters, and special characters, 8 bits are combined to make up the one ________.

byte

The system board is also called the __________.

motherboard

The ___________ is a container that houses most of the electronic components that make up a computer system

system unit