Chapter 6
- what
is Moore's
Law?
- Evaluate CPU
- what is CPU and where
it is located
- CPU is composed of two
units: Control and ALU -- what do they do?
- CPU speed: Hertz --
machine cycles per second
- Evaluate RAM
- why
not use a hard drive to store the data and instructions?
- where
is it located?
- 3 types of modules:
SIMM, DIMM, RIMM (you do not need to understand what they are).
- Virtual memory: where
is it located?
- what
is memory bound? -- thrashing
- Evaluate the storage
subsystem
- Hard drive:
- how
fast is it to retrieve data?
- how
is it composed? platter, head, arms, sector, track
- IDE and SCSI -- you
just need to know the terms!
- magnetic media vs.
optical media
- For CDRW: 32x12x48 --
what does it mean?
- what
is a video card? where is it located?
- monitor size: LCD vs.
CRT
- what
does the sound card do? where is it located?
- some common ports:
- serial -- mice
- parallel -- printer
- USB
- Firewire
-- 1394
- Ethernet -- network
- Examples
Chapter 7
- Network architecture
- peer-to-peer (P2P): 4
types
- client/server
- Transmission media: twisted
pair cable, coaxial cable or fiber-optical cable
- LAN vs. WAN (geographic
distance -- 1 mile)
- network adapter -- NIC
- network navigation devices:
router vs. hub -- between networks vs inside
same network
- Types of P2P networks: what
kinds of media they use? what is 802.11 standard
and WiFi?
- power line
- phone line
- ethernet
- wireless
- Hackers: what are they?
- Denial of Service (DOS)
- How hackers gain access? --
logical ports
- Firewall: how it works?
packet filtering and logical port blocking
- Virus:
- what
is it?
- types:
boot sector viruses, logic bombs, worms, macro virus,trojan
horses.
- virus
vs. worms.
- Examples
Chapter 8
- Mobile devices:
- pager: cheapest
- cell
phone: how it works?
- mp3 player: mp3
sampling
- PDA: stylus for input,
does it have hard drive? what is BlueBoard?
- Tablet PC: main
feature: handwriting recognition
- laptop: vs desktop -- power management
- do
they use OS? How about storage: ROM, RAM and flash card or hard drive
- Examples
Chapter 9
- Switches and bits
- vacuum tubes: space
and heat
- transistor: single
- integrated circuits:
multiple in a single board -- chips -> microprocesor
- Binary system: 67
base 10 <-> 1000011 base 2
- ASCII vs
Unicode -- 8 bits vs 16 bits
- System clock: Hz
- CPU machine cycle:
- fetch à from
Memory to register; L1/L2 cache memory
- decode à control
unit
- execute à ALU
- store: back to register
- DRAM
vs SRAM
- what
is system bus? memory <-> CPU
- pipelining: processing multiple
instructions simultaneously, each at a different stage of the machine
cycle.
- Examples
Chapter 10
- System development life cycle
(SDLC):
- Problem/Opportunity
Identification : make decisions
- Analysis - study and
define the requirement to recommend a solution
- design: detailed plan:
flowcharts and data-flow diagrams
- Development and
documentation: coding -- first step of PDLS (program development life
cycle).
- testing and
installation
- maintenance and
evaluation: upgrade and bug fix
- What is algorithm?
- classes
-- categories of objects in OOP.
- Machine languages:
- 1GL - machine
language: bits
- 2GL -- assembly: words
- 3GL -- C/C++: symbols
- 4GL -- SQL: powerful
commands
- 5GL -- Visual Basic:
graphic interfaces
- Compilers transfer the source
code to executable machine language
- Debugging to find the logic
errors.
- Examples