Computer Systems Ch 8 Flashcards Preview

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Flashcards in Computer Systems Ch 8 Deck (37):
1

Fill in Both: ________ is the starting or restarting of a computer. ________ _________ a computer is starting it from power off

1) booting
2) cold booting

2

Processes involved in booting:
____________ using BIOS instructions in ROM
(name 4 steps)

Power On Self Test
a) Clears registers and sends address in ROM
b) CPU fetches instructions from ROM
c) checks to see if keyboard is attached
d) sends signals to drives and listens to responses

3

Processes involved in booting:
__________ _______ about the components installed and their config

collecting data

4

The BIOS, with instructions manufactured into the ROM chips, is called ___________

firmware

5

Processes involved in booting:
Searching drives for an _______ _______ and loading the _______ _______
(SAME WORD)

operating system

6

Processes involved in booting:
Once booted, other _______ _______ help critically test and administer the computer

system utilities

7

_______ _______ is restarting a computer that is already booted. Uses the operating system to close open programs, then restarts WITHOUT repeating the ___________

warm booting

power on self test

8

____________: single user running multiple programs on one CPU or several.

multitasking

9

Four types of operating systems:
_____ ______ running one program at a time.

Single-User Computer

10

Four types of operating systems:
Networked Computer System
a) ______ ______ that download and upload files
b) _____ ______ receive jobs from users on network and transfer them to printers
c) ______ ______ such as database servers that execute DBMS
d) ______ ______ listen for requests from internet and transmits back data as web pages

a) file servers
b) print servers
c) application servers
d) web servers

11

Four types of operating systems:
______ __________ use many I/O devices such as keyboards, mice, and screens separated from main units.

Mainframe Computers

12

Four types of operating systems:
_________ __________ used with PDA's, smart phones, and other small computers.

These Operating Systems are often stored in _____ or _______ _______

Embedded OS
a) ROM
b) Flash memory

13

_____________ are system software that translate instructions written for one CPU to instructions required by another CPU, then execute them.

emulators

14

BIOS, drivers, Operating system, and other system utilities are called _________ _________

system software

15

Functions of Operating System:
Manages computer resources such as ____ and the _____ _______ so you can save, copy, name, delete, move, and display a list of files.

RAM
file-systems

16

Functions of Operating System:
Establishes a UI either as:
a) a prompt where you type commands, called a ________-_______ interface
b) a _______ interface with a list of actions you can take.

command-line
menu

17

Functions of Operating System:
Executes application software and provides services for applications:
a) loads software into _______ ________ when you click a program icon or a data file.
b) provides printing services when you print
c) provides ______ _____ when you save a document
d) provides services to use mice, keyboards, and other I/O devices

primary memory
file services

18

_______ ______ are part of an OS, or can be stand-alone programs from software developers.

utility programs or utilities

19

________ ________ positions clusters of files in the correct order and make sure no unused clusters are between the files

defragmenting disks

20

____________ are small programs that interface individual pieces of hardware such as a mouse, printer, scanner, and optical drives.

drivers

21

______ ______ ______ have icons, buttons, pulldown menus, and popup menus

GUI - Graphical User Interface

22

______ supports multiple users and multiple processors, the heart of the internet

UNIX

23

________ is open source software, and programmers can modify, customize, and share their changes with others.

Linux

24

______ ______ is closed source and proprietary, runs on mobile devices

Apple's iOS

25

______ ______ is open source, free OS based on Linux, runs on mobile devices

Android

26

Using several processors in one computer, with each assigned to one user or task is _____________

multiprocessing

27

In ______________ , programs share a processor and take turns executing, they run in the same time frame but not simultaneously

multiprogramming or concurrent processing

28

The time between typing a character or moving a mouse and the computer's reply is ______ _______

response time

29

Giving each user a certain fraction of time is ______-_______ programming

time-sliced

30

Giving each user a certain fraction of time, with the fraction determined by what's necessary to complete an _______ is ______-_______ programming

(same)

event-driven

31

Sharing memory requires memory management to:
1) decide how much memory is to be assigned to different users, the location and their priorities
2) __________ prevents memory of one user from another user accessing and changing it
3) If primary memory is insufficient to hold programs, secondary storage may act like primary memory if the system allows ______ ______

2) memory protection
3) Virtual Storage

32

Data to be printed from separate users is first _______ to seperate files on disk.

spooled

33

OS transfers data in small chunks so it doesn't overflow the _______ _______ (the printer's memory where it stores the data to be printed)

printer buffer

34

_________ programmers are people who analyze, design, and write programs

computer

35

_________ programmers create programs in operating systems, utilities, and BIOS

system

36

_________ programmers create programs that run on system software

application

37

__________ programmers create programs that run on _________ (complete computers on a chip)

(same)

micro controller