2-Mavzu: Axborot kompyuter texnologiyalarini tadbiq qilishning texnik vositalari reja

True/False Mark T for True and F for False.

_____ 1. Application software serves as the interface between the user, the apps, and the computer’s or mobile device’s

hardware. (158)

_____ 2. While a computer or mobile device is running, the operating system remains in memory. (160)

_____ 3. Open source software is mass-produced, copyrighted software that meets the needs of a wide variety of users.

(161)

_____ 4. When downloading shareware, freeware, or public-domain software, it is good practice to seek websites with

ratings for and reviews of products. (162)

_____ 5. With web apps, you always access the latest version of the software. (163)

_____ 6. With database software, users run functions to retrieve data. (170)

_____ 7. Software suites offer three major advantages: lower cost, ease of use, and integration. (172)

_____ 8. A PDF file can be viewed and printed without the software that created the original document. (176)

_____ 9. The military and airlines use CBT simulations to train pilots to fly in various conditions and

environments. (184)

_____ 10. A router also can function as a hardware firewall. (190)

_____ 11. A worm is a destructive program designed as a real program. (190)

_____ 12. Cookies typically are considered a type of spyware. (192)

Multiple Choice Select the best answer.

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the answer appears in parentheses after each exercise. The Consider This exercises challenge your

understanding of chapter concepts.

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complete the self-assessment in the Test Prep resourcefrom your smartphone, tablet, laptop, or desktop; and

then take the Practice Test.

Checkpoint

1. _____ software performs functions specific to a

business or industry. (161)

a. Retail

b. Open source

c. Shareware

d. Custom

2. A(n) _____ is the right to use a program or app. (163)

a. license agreement

b. product activation

c. software registration

d. automatic update

3. _____ software is an application that allows users

to organize data in columns and rows and perform

calculations on the data. (168)

a. Spreadsheet

b. Database

c. Presentation

d. Document management

4. Mobile payment apps use a payment system on phones

equipped with a(n) _____, which stores data that is

transmitted to a contactless terminal and verified as a

legitimate sale. (179)

a. QR chip

b. EULA

c. NFC chip

d. trojan horse

5. _____ is a type of application that assists professionals

and designers in creating engineering, architectural,

and scientific designs and models. (180)

a. Enterprise software

b. CAD software

c. Public-domain software

d. A software suite

6. The term _____ refers to removing unwanted areas of

a photo. (182)

a. crop

b. snip

c. compress

d. shrink

7. A(n) _____ is a device intended to stop network

intrusions before they attempt to affect your computer

or network maliciously. (190)

a. anti-spam program

b. pop-under blocker

c. hardware firewall

d. quarantine drive

8. _____ is a small text file that a web server stores on

your computer. (192)

a. A pop-under blocker

b. A cookie

c. Adware

d. Spyware