Chapter 2

Question 1

What is a fixed-length, binary coding system used to represent text-based data for computer processing on many types of computers?

Answer 1

ASCII

Question 2

what is a group of 8 bits?

Answer 2

byte

Question 3

What is a universal bus used to connect up to 127 peripheral devices to a computer without requiring the use of additional expansion cards?

Answer 3

Universal Serial Bus (USB)

Question 4

What are flat sheets of carbon that are one atom thick, are extremely light and strong, and are a great conductor of electricity?

Answer 4

Graphene

Question 5

What is memory used to provide a temporary location for the computer to hold data and program instructions while they are needed?

Answer 5

Random Access Memory (RAM)

Question 6

What is the chip located on the motherboard of a computer that performs most of the processing for a computer?

Answer 6

Central Processing Unit (CPU)

Question 7

What is the main circuit board of a computing device, located inside the system unit, to which all computer system components connect?

Answer 7

Motherboard

Question 8

What is the numbering system that represents all numbers using just two symbols (0 and 1)?

Answer 8

Binary numbering system

Question 9

What is the part of the CPU that coordinates its operations?

Answer 9

control unit

Question 10

What is the science of creating tiny computers and components by working at the individual atomic and molecular levels?

Answer 10

Nanotechnology

Question 11

True or False: A storage medium that can hold 256 GB can hold about 256 billion characters.

Answer 11

True

Question 12

True or False: The amount of data that can be transferred over a bus in a given time period determines the bus’s volatility.

Answer 12

False

Question 13

True or False: Cache memory is typically built into a CPU.

Answer 13

True

Question 14

True or False: A bus is a pathway, such as on the motherboard or inside the CPU, along which bits can be transferred.

Answer 14

True

Question 15

True or False: Computers that process data with light are referred to as quantum computers.

Answer 15

False-infarred

Question 16

What is the ability of a computer to process data at teraflop speeds?

Answer 16

Terascale computing

Question 17

A CPU with four separate processing cores is referred to as a(n)________CPU.

Answer 17

Quad-core

Question 18

What is a connector on the exterior of a computer into which a peripheral device may be plugged?

Answer 18

port

Question 19

Multi-core CPUs allow ___________, in which the CPU is able to work on multiple jobs at one time.

Answer 19

multiprocessing

Question 20

Number the following from 1-9 to indicate their size from smallest to largest:
a. __Petabyte
b. __Kilobyte
c. __Gigabyte
d. __Yottabyte
e. __Exabyte
f. ___Byte
g. __Zettabyte
h. __Terabyte
i. ___Megabyte

Answer 20

a. 6
b. 2
c. 4
d. 9
e. 7
f. 1
g. 8
h. 5
i. 3

Question 21

What do each of the following acronyms stand for?
1. KB
2. RAM
3. GPU
4. USB
5. PCIe
6. CPU

Answer 21

1. Kilobyte
2. Random Access Memory
3. Graphic Processing Unit
4. Universal Serial Bus
5. Peripheral Component Interconnect Express
6. Central Processing Unit

Question 22

What is The smallest piece of data (a 0 or 1) that can be represented by a computer?

Answer 22

Bit

Question 23

What is an international coding system for text-based data using any written language?

Answer 23

Unicode

Question 24

What is L1 a type of?

Answer 24

Cache Memory

Question 25

What is the part of the CPU that performs logical operations and integer arithmetic?

Answer 25

Arithmetic and Logic Unit

Question 26

If your computer seems sluggish, list two things you could do to try to speed it up without resorting to purchasing an entirely new system.

Answer 26

1. disable apps you don’t need
2. Upgrade your memory