Homework 3 - How computers work

1.

1 point

The _____ expansion slot is used only for a video card

AGP

EIDE

PCIE

PCI

2.

1 point

Which component of a CPU manages all activites inside the CPU itself?

processing unit

ALU

I/O unit

control unit

3.

1 point

All CPUs have the same group of control signals.

True

False

4.

1 point

The devices in a computer are

All of the other choices

installed directly on the motherboard

indirectly linked to the motherboard by expansion cards

linked to the motherboard by a cable connected to a port on the motherboard

5.

1 point

When purchasing an external device for your computer the first and foremost considuration would be ____.

the color matching the case

how many of your friends have one

how much power it uses

the connection type

6.

1 point

A 4 port PCI sata card would be an example of a ____.

connection card

network card

rambus card

controller or i/o card

7.

1 point

Which bus has lines that work indpendently of each other?

school bus

data bus

address bus

control bus

8.

1 point

PCI express is a lot more faster and a lot more reliable.

True

False

9.

1 point

Which of the following is NOT true?

DDR, DDR2, DDR 3 run at different speed ranges.

Memory addresses are unique locations used by the CPU to find information in the ram.

Memory speed has no relation to system bus speed.

Memory speed is directly related to the system bus speed.

10.

1 point

The CPU's external bus operates at a much higher frequency than the internal bus.

True

False

11.

1 point

The binary number system uses ____.

0, 1

on, off

1, 2

0, 1, 2

12.

1 point

The lines on the top and bottom of the motherboard's surface, sometimes called ___, are circuits of paths that enable data, instructions, and power to move from component to component on the board.

processor lines

protocols

jumpers

buses

13.

1 point

In binary, seven is 111.

True

False

14.

1 point

PCI-E ports are now being used instead of AGP because

AGP is not for graphics

The PCI-E port is faster, reliable, and can deliver more data

PCI-E ports were discovered on alien spacecraft at area 51 so they're just cooler

There's no such thing as PCI-E.

15.

1 point

Each control bus has only one read/write line.

True

False

16.

1 point

Most motherboards today use ____.

TIMMs

RIMMs

DIMMs

Simms

17.

1 point

When a computer is first turned on, it looks to the ___ chip to find out which hardware it should expect to find.

system

CMOS RAM

configuration

ROM BIOS

18.

1 point

Circuit boards installed in long, narrow slots on the motherboard are called expansion cards.

True

False

19.

1 point

Determining which type of optical drive you have is

easy, there's only one

hard because there are so many to remember

easy because they all look the same so it doesn't matter

hard to tell unless it is printed on the front face plate

20.

1 point

In order to perform a computer task, hardware is used by all tasks except ___.

processing

storage

input

None of these answers

21.

1 point

The easiest way to determine the function of a particular expansion card is to look at the end of the card that fits against the computer case.

True

False

22.

1 point

The motherboard contains a _____ chip that contains the programming necessary to start the computer and to perform other fundamental functions.

configuration

ROM BIOS

CMOS RAM

system

23.

1 point

The ____ expansion slot is currently the fastest expansion slot used for input/output device.

EIDE

PCI

PCI-E

AGP

24.

1 point

The ____ chip is responsible for remembering system information such as how memory is allocated and which hard drives are present

configuration

system

CMOS RAM

ROM BIOS

25.

1 point

Which component of a CPU performs all comparisons and calculations?

I/O unit

ALU unt

processing unit

control unit

26.

1 point

Adding a check bit for each byte allows the component reading the data to verify that it is the same data written to the bus.

True

False

27.

1 point

Adding ram will always speed up a computer.

True

False

28.

1 point

Eight bits compose ____.

one gulp

one nibble

one byte

two bytes

29.

1 point

In binary, the decimal number eight is 0200.

True

False

30.

1 point

The main bus on the motherboard is the ____ bus.

PCI

AGP

CPU

system

31.

1 point

The CPU can process data and instructions directly from a computers hard drive.

True

False

32.

1 point

The CPU could not do its job without the assistance of the ____, a group of microchips on the motherboard that control the flow of data and instructions to and from the CPU, providing careful timing of activities.

CMOS

BIOS

chip set

processors

33.

1 point

Which is not correct?

A computer's power supply generates electricity.

None of the other answers

A temperature of over 185 degrees Farenheit can cause components inside the computer case to fail.

A computer's power supply runs a fan directly from the electrical output voltage to help cool the inside of the computer case.

34.

1 point

To build a computer with a quad-core processor, you must have a computer with 4 processor sockets.

True

False

35.

1 point

Which component of a CPU manages data and instructions entering an leaving the CPU?

I/O unit

processing unit

ALU

control unit

36.

1 point

You must replace a hard drive with _____.

a drive of equal value

a drive of the same manufacturer, and model number

a drive with the same connections but not necessarily the same size

a drive of the same size but not necessarily the same connection

a drive of the same brand and type

37.

1 point

The CMOS chip is RAM, so that when the computer is turned off, the chip does not retain its data.

38.

1 point

Case design is a very important component in determining the form factor of a motherboard.

True

False

39.

1 point

A CD-ROM drive is considered memory.

True

False