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9 According to the conventional classification, the existing interfaces can be divided into the following types: 1) command interface; 2) graphical interface 3) SILK-interface

1,2

PS/2 port (multiple answers):

1.Uses a 6- pin, mini- Din configuration, which look like a small, round port, 2.used to be de facto standard for keyboard and mouse connections, however, they are gradually being replaced by USB ports

This is Employee table.Which of the following employeeid will be displayed for the given query?SELECT * FROM employee WHERE employeeid>1009;

1018

An attribute A of datatype varchar(20) has the value "Avi". The attribute B of datatype char(20) has value "Reed". Here attribute A has ...........spaces and attribute B has .........spaces.

3, 20

16 A CPU contains

A control unit and an arithmetic logic unit

10 Choose right variant. Definition if Interface

A set

Expand the abbreviation (note that each word should start from capital letter, words "and', "for" should be written in small letters)----->

ANSI

What is a program that appears to be performing one task while executing a mallcious task in the background?

All of them

SELECT * FROM employee WHERE salary>10000 AND dept_id=101; Which of the following fields are displayed as output?

All the field of employee relation

Expand the abbreviation ANSI:

American National Standards Institute

A protocol that supports a decentralized, pseudo - anonymous, peer-to-peer digital currency:

Bitcoin

10 DELETE FROM r; //r - relation This command performs which of the following action?

Clear relation entries

A ... provides connections among computers to enable computers on a network to share data, hardware, and software resources:

Computer Networks

Protecting the information from disclosure to unauthorized parties:

Confidentiality

CREATE TABLE employee (name VARCHAR, id INTEGER) What type of statement is this?

DDL

Which one of the following is used to define the structure of the relation, deleting relations and relating schemas?

DDL(Data Definition Langauge)

INSERT INTO instructor VALUES (10211, 'Samatov', 'Math', 66000); What typ move a relation from an SQL dat

DML

SELECT * FROM employee What type of statement is this?

DML

Which one of the following provides the ability to query information from the database and to insert tuples into, delete tuples from, and modify tuples in the database?

DML(Data Manipulation Langauge)

Services that enable data access are operational

Data Availability

7 What characteristics of read-only memory (rom) makes it useful?

Data in ROM is Nonvolatile, that is , it remains there even without electrical power.

4 Choose right variant. ____ refers to the form in which data is stored, processed and transmitted

Data representation

15 What are software usually run in the background without opening a window and is designed to help a peripheral device establish communication with a computer

Device drivers

Please match the definition

Digital data--- Analog data--- like digital but analogue

7 Here which of the following displays the unique values of the column? SELECT ....... dept_name FROM instructor;

Distinct

To remove a relation from an SQL database, we use the ......... command.

Drop table

It is the use of a range of modern information and technologies by government to improve efficiency, service etc. i.e. Internet, mobile, local area network:

E- Governance

It is the use of a range of modern information and technologies by government to improve efficiency, service etc. i.e. Internet, mobile, local area network:

E-Governance

..... is a term for all types of technology - enhanced learning, where is used to support the learning process:

E-Learning

It is refers to data in electronic form, which is logivally associated with other data in electronic form and which is used be the signatory to sign:

Electronic signature

The process of transforming information so it is unintelligible to eavesdroppers

Encryption

12 ___ the complex human functional capabilities in labor and domestic processes

Ergonomics

The basic data type char(n) is a ....... length character string and varchar(n) is ......... length character.

Fixed, variable

........ interface consists of thing like program counter, register, interrupts and terminal

Hardware

8 In computer networking, what are the three basic components needed to create a network?

Hardware, software, users (но это не точно сори)

6 Consider attributes ID, CITY and NAME. Which one of this can be considered as a super key?

ID

10 Which one of the following attribute can be taken as a primary key?

Id

IEEE abbreviation -

Institute of Electrical and Electronics Engineers

Updates that violate ......... are disallowed.

Integrity constraints

ISO-

International Organization for Standardization

What is the ISP:

Internet Service Provider

The term .... has come to describe a number of technologies and research disciplines that enable the Internet to reach out into the real world of physical objects:

Internet of Things

10 The ............ operator takes the results of two queries and returns only rows that appear in both result sets.

Intersect

6 Choose right variant Definition of HCI

Is a relatively new science that includes study, planning and development of interaction between people (users) and computers.

17 RAM is called DRAM when

It requires periodic refreshing

9 The ......... operation allows the combining of two relations by merging pairs of tuples, one from each relation, into a single tuple.

Join

7 A .......... is a property of the entire relation, rather than of the individual tuples in which each tuple is unique.

Key

8 The subset of a super key is a candidate key under what condition?

No proper subset is a super key

.... Are connectors that enable signals to be passed in and out of a computer or peripheral device

PORTS

3 A message to be encrypted is known as____, and the encrypted ....

Plaintext, ciphertext

3 An attribute in a relation is a foreign key if the .......... key from one relation is used as an attribute in that relation.

Primary

Which one is asymmetrical encryption:

RSA

14 ____ of fine-grained set of objects, such as ten fingers

Recognition

2 The is the one in which the primary key of one relation is used as a normal attribute in another relation.

Referenced relation

1 The relation with the attribute which is the primary key is referenced in another relation. The relation which has the attribute as a primary key is called

Referencing relation

9 A ......... integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.

Referential

The ....... clause is used to list the attributes desired in the result of a query.

Select

10 Which of the following statements contains an error?

Select empid where empid = 1009 and lastname = 'GELLER';

This Query can be replaced by which one of the following? SELECT name, courseid FROM instructor, teaches WHERE instructorID= teaches_ID;

Select name, course_id from instructor natural join teaches;

Which is not the primary security goal?

Spoofing

4 Which one of the following cannot be taken as a primary key?

Street

5 Which one of the following is a set of one or more attributes taken collectively to uniquely identify a record?

Super key

5 What are main software categories?

System software and application software

The information can be represented in one- or two-ways Analog or digital:

TRUE

....... is a rapidly developing application of clinical medicine where medical information is transferred through the phone or the Internet and sometimes other networks for the purpose of consulting, and sometimes remote medical procedures or examinations:

Telemedicine

11 The difference between memory and storage is that the memory is

Temporary, permanent

.... Is the most widely used and flexible means of presenting information on screen and conveying ideas:

Text

In the given query which of the keyword has to be inserted? INSERT INTO employee ......... (1002,Joey,2000);

Values

13 ___ means that a computer-generated image is intuitively perceived by human as natural and correlated with previous human experience

Virtual reality (скорее всего)

The query given below will not give an error. Which one of the following has to be replaced to get the desired output? SELECT ID, name, dept name, salary * 1.1 WHERE instructor;

Where

6 The ..........clause allows us to select only those rows in the result relation of the ...........clause that satisfy a specified predicate.

Where, from

What is virus:

a code that has the ability to self-spread by its implementation in other programs

What is program that appears to be performing one task while executing a malicious task in the background:

all of them

provides us a means by which we can access the applications as utilities over the internet it allows us to create, configure and customize applications online

cloud computing

In Cybersecurity CIA refers to:

confidentiality, integrity, and availability

Data confidentiality is:

data access is restricted to authorized person

..... is the data that represent a computational process, such as statistical analysis, for assigning meanings to the data, or the transcripts of some meanings assigned by human beings:

information

What is the heart of the operating system and performs the functions that are most crucial for keeping everything running:

kernel

Is the data that represents the results of a computer-simulated cognitive process....

knowledge

......... system supports the integrated storage, transmission and representation of the discrete media types text, graphics and image and the continuous media types audio and video on a digital computer:

multimedia system


Kaugnay na mga set ng pag-aaral

Analogies - relationship between words

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