CBIS 1200 Questions and Answers
Quiz 2: chapters 4-6
1. App: Get user input: OS: Read data from memory location 25 (keyboard data)
2. App: Play music file: OS: Read data from memory locations 80-120 write to location 4288
(audio output)
3. App: Display user data 1App: Read user data 2: OS: Read data from memory location 130
(screen data)
OS: Read data from memory location 22 (keyboard data)
4. Formatted text/graphics: Yosemite.pdf
5. Excel spreadsheet: January.xlsx
6. Image: Family.png
7. Movie: Airplane.mp4
8. If the OS switches among applications using the same pattern shown, what application will run
next?: email
9. What happens to the web and video applications if the email application is run for a long time
before switching?: the web and video applications slow down
10.Assume a modern OS runs 100 million instructions per second. The OS runs 100,000 instructions
of one application before switching to the next appli- cation. How many times does the operating
system switch each second?: 1000
11.An application must interact directly with a keyboard to read what key is pressed.: false
12.An OS provides a mechanism for a user to create and maintain files.: true
13.A server typically tells each user to wait until the server is ready for that user.: false
14. Running multiple applications simultaneously is known as multitasking.: -
true
15. is a text-based operating system.: MS DOS
16. provides a Linux-based graphical interface.: Ubuntu Desktop
17.Android is a OS.: touch based
18.iOS is a graphical OS developed for .: smartphones and tablets
, CBIS 1200 Questions and Answers
Quiz 2: chapters 4-6
19.Microsoft was formed to build operating systems: false
20.When IBM asked Gates for an OS for the IBM PC, Gates immediately jumped at the
opportunity.: false
21.Microsoft wrote DOS for the IBM PC.: false
22.Early versions of Windows were built on top of DOS.: true
23.Steve Jobs has led Apple since he co-founded the company in 1976.: false
24.Apple developed Mac OS X in house in 1996.: false
25.Mac OS X is based on Unix.: true
26.Upon being pushed out in 1985 of the company he had co-founded, Jobs did little until returning
to Apple in 1996: false
, CBIS 1200 Questions and Answers
Quiz 2: chapters 4-6
27.What is the best way for a user to know whether a drive is nearly full?: Oc- casionally run an OS
app that reports drive usage.
28.To have a good start to cleaning up a drive, a user might start by deleting unneeded files.:
movie
29.If a drive has 600 gigabytes (600 billion bytes) available for user files, and a typical movie uses 3
gigabytes, how many movies can be stored?: 200
30.Is an image an example of a temporary internet file?: true
31. A
typical user quits an app .
when done using the app.
rarely.: rarely
32.Occasionally, a good OS user may wish to apps not currently in
use.: quit
33.Even if in use, restarting an app (such as a web browser) every so often may be a good idea
due to .: memory leaks
34.When deciding what apps to quit by examining each app's memory usage, the user might first
consider quitting apps using the memory.: most
35.Backing up files is a waste of time.: false
36.To protect in case of computer theft, a user should copy files from one folder to another
folder on the computer's drive.: false
37.Users can configure automated backup systems to automatically backup files on a hourly, daily,
or weekly basis.: true
38.If a file is accidentally deleted, then the file is permanently lost.: false
39.A device driver is that interfaces with a hardware device like a screen,
keyboard, or printer.: software
40.A device driver for a printer might send print that are specific to a
particular printer.: commands
41.The "device" in device driver refers to .: hardware
Quiz 2: chapters 4-6
1. App: Get user input: OS: Read data from memory location 25 (keyboard data)
2. App: Play music file: OS: Read data from memory locations 80-120 write to location 4288
(audio output)
3. App: Display user data 1App: Read user data 2: OS: Read data from memory location 130
(screen data)
OS: Read data from memory location 22 (keyboard data)
4. Formatted text/graphics: Yosemite.pdf
5. Excel spreadsheet: January.xlsx
6. Image: Family.png
7. Movie: Airplane.mp4
8. If the OS switches among applications using the same pattern shown, what application will run
next?: email
9. What happens to the web and video applications if the email application is run for a long time
before switching?: the web and video applications slow down
10.Assume a modern OS runs 100 million instructions per second. The OS runs 100,000 instructions
of one application before switching to the next appli- cation. How many times does the operating
system switch each second?: 1000
11.An application must interact directly with a keyboard to read what key is pressed.: false
12.An OS provides a mechanism for a user to create and maintain files.: true
13.A server typically tells each user to wait until the server is ready for that user.: false
14. Running multiple applications simultaneously is known as multitasking.: -
true
15. is a text-based operating system.: MS DOS
16. provides a Linux-based graphical interface.: Ubuntu Desktop
17.Android is a OS.: touch based
18.iOS is a graphical OS developed for .: smartphones and tablets
, CBIS 1200 Questions and Answers
Quiz 2: chapters 4-6
19.Microsoft was formed to build operating systems: false
20.When IBM asked Gates for an OS for the IBM PC, Gates immediately jumped at the
opportunity.: false
21.Microsoft wrote DOS for the IBM PC.: false
22.Early versions of Windows were built on top of DOS.: true
23.Steve Jobs has led Apple since he co-founded the company in 1976.: false
24.Apple developed Mac OS X in house in 1996.: false
25.Mac OS X is based on Unix.: true
26.Upon being pushed out in 1985 of the company he had co-founded, Jobs did little until returning
to Apple in 1996: false
, CBIS 1200 Questions and Answers
Quiz 2: chapters 4-6
27.What is the best way for a user to know whether a drive is nearly full?: Oc- casionally run an OS
app that reports drive usage.
28.To have a good start to cleaning up a drive, a user might start by deleting unneeded files.:
movie
29.If a drive has 600 gigabytes (600 billion bytes) available for user files, and a typical movie uses 3
gigabytes, how many movies can be stored?: 200
30.Is an image an example of a temporary internet file?: true
31. A
typical user quits an app .
when done using the app.
rarely.: rarely
32.Occasionally, a good OS user may wish to apps not currently in
use.: quit
33.Even if in use, restarting an app (such as a web browser) every so often may be a good idea
due to .: memory leaks
34.When deciding what apps to quit by examining each app's memory usage, the user might first
consider quitting apps using the memory.: most
35.Backing up files is a waste of time.: false
36.To protect in case of computer theft, a user should copy files from one folder to another
folder on the computer's drive.: false
37.Users can configure automated backup systems to automatically backup files on a hourly, daily,
or weekly basis.: true
38.If a file is accidentally deleted, then the file is permanently lost.: false
39.A device driver is that interfaces with a hardware device like a screen,
keyboard, or printer.: software
40.A device driver for a printer might send print that are specific to a
particular printer.: commands
41.The "device" in device driver refers to .: hardware
