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100問 • 1年前

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When 12 is divided by the positive integer k, the remainder is k-3. Which of the following number could be the value of k?

If the product xy is negative, which of the following unequality must be true?

x/y < 0

Which of the following number is the least positive integer that is divisible by each of the integers from 2 to 5, inclusive?

If x is positive integer, then x(x 1) is

always even

Which of the following numbers has the greatest value?

|-7,7|

Which of the following statements cannot result in an integer?

The quotient of two distinct prime numbers

After a performance review, Steve’s salary is increased by 5 percent. After a second performance review, Steve’s new salary is increased by 20 percent. This series of raises is equivalent to a single raise of

26%

If m and n are negative integers, which of following relations must be true: 1) m + n < 0 , 2) mn > 0 , 3) mn > n ?

1), 2) and 3)

Choose the correct mathematical term: “________ means to add.”

Sum

If positive integers q and r are both even, which of the following numbers must be odd?

qr -1

Oskar has 15 marbles. If he gives 1/3 of his marbles to Sally and 1/5 of the rest to Mike, how many marbles does Oskar have left?

Ian owns a collection of 60 baseball cards. If he gives 1/5 of his collection to his friend Kevin and 1/4 of his remainder to his friend Paul, how many baseball cards does Ian have left?

In a group of 20 tourists, 12 brought cameras. If one-half of the tourists with cameras brought disposable cameras, what percent of all of the tourists brought disposable cameras?

30%

If the fractions 1/2 , 2/5 , 3/8 , 4/11 and 5/7 were ordered from least to greatest, the second smallest number in the resulting sequence would be

3/8

If the ratio of male students to female students in a philosophy class is 3:5, and there is a total of 40 students in the class, how many female students are in the class?

Alice is twice as old as Brian and Cathy is 6 years younger than Brian. If Alice is a years old, how old is Cathy in terms of a ?

(a-12)/2

If the current population of country Z is 200 000 people and the population grows by 3% every year, which of the following expresses the population of country Z in 5 years?

200000*(1,03)^5

If 1/2 x + 12 = 4, then x =

-16

Which one of the following equations has a root in common with m^2 + 4m + 4 = 0 ?

m^2 - 4 = 0

If 3 is one value of x for the equation x^2 - 7x + k = -5 , where k is a constant, what is the other solution?

The definition of operating system:

The set of programs that jointly control the system resources and the processes using those resources on a computer;

A visual symbol used in a menu to represent a file or program:

icon

The definition of pixel:

individual dot on a computer screen

The definition of voltage

electrical force

The definition of screen

surface on which pictures or data are shown

The definition of grid

network of lines crossing at right angles

The definition of address register

a register which stores and address in memory

What is Clipboard?

portable board with a clip at the top for holding papers

The definition of stylus:

an electronic device that is used to draw or write on the screen

The definition of the word Hacker

A person who attempts to breach the security of a computer system by access from a remote point

The term used to describe the equipment and software elements that allow us to access, retrieve, store, organize, manipulate and present information by electronic means

Information technology

The technology that we use to collect, process, protect and store information

Information technology

Technologies that are part of ITCs

Networks

Communication between a human user and a computer system:

Human-computer interaction (HCI)

In computer technology, there are several types of interfaces

Hardware interface

The languages and codes that the applications use to communicate with each other and with the hardware

Software interface.

The wires, plugs and sockets that hardware devices use to communicate with each other

Hardware interface

The interface features through which users interact with the hardware and software of computers and other electronic devices

User interface (UI).

Term means making products and systems easier to use, and matching them more closely to user needs and requirements

Usability UI.

Usability is defined by concepts:

Effectiveness.

Types of User interface

Command line interfaces.

Interfaces that to use pictures and graphics instead of just words to represent the input and output of a program

Graphical user interfaces.

Select the characteristic of good interface:

Clarity.

What are the different types of computers?

desktop

The part of a desktop computer is the….

monitor

What is a computer case?

It is the metal and plastic box that contains the main components of the computer, including the motherboard, central processing unit (CPU), and power supply

A(n) __________ device is any hardware component that allows you to enter data and instruction into a computer.

input

Which of the following groups consist of only input devices?

Keyboard

What does DRAM stands for?

Dynamic Recording Access Memory

Which part of the computer is considered as Brain of the Computer?

Central Process Unit

The instructions that tell the computer what to do and how to do it

Software

The following statement about RAM:

It is a volatile storage device.

When a computer is in use, its RAM will contain:

The operating system software

Peripheral devices are usually categorised into…

storage devices

The following statements about ROM:

It is used in most computers to hold a small piece of software: the 'boot up' program.

What you can insert in the header & footer?

Date

What are the types of lists can be in Word document?

Marked

Please select the wrong statement:

When using a MS Word you cannot print your document.

By clicking to which menu you could “Save” your document?

File

By clicking to which menu you could make your text “Bold/Italic”?

Home

Which of the following is a database object?

Tables

What are the relationships between the tables?

Many to Many

The content of the database may be modified using the following operations:

Deletion

Data communication system within a building or campus is

LAN

In this topology there is a central controller or hub

Star

This topology requires multipoint connection

Bus

Computer Network is

Collection of hardware components and computers

This layer in an addition to OSI model

Presentation layer

The functions of TCP:

It provides retransmission of data lost during transmission

Which of the following are the three most common network management architectures?

Centralized

What is the minimum number of computers needed for a computer network?

The number of layers in ISO OSI reference model

As habitat viruses can be divided into

boot

Viruses can be divided into classes according to the following main features

habitat, operating system, features of the algorithm; de constructively opportunities

The term "computer virus" was introduced for the first time

Cohen

By destructive capabilities of viruses can be divided into

harmless; non-hazardous; dangerous viruses; very dangerous

Address which uniquely identifies a document over the internet (1):

Hypertext Markup Language, for creating websites.

Social networking sites in Internet (2):

Facebook

Information Retrieval Services of Internet (1):

File Transfer Protocol (FTP).

The main language of the Web-page creation:

Hypertext Markup Language (HTML).

If x is a prime number greater than 3, what is the remainder when x^2 is divided by 8?

Choose the correct mathematical term: ” __________ means to subtract.”

Difference

Choose the correct mathematical term: ”_____________ means to multiply.”

Product

Choose the correct mathematical term: ”_____________ is the leftover from division.”

Remainder

Choose the correct mathematical term: ” ____________ means to divide.”

Quotient

Choose the correct mathematical term: ” _________________ are divisible by 2.”

Even integers

Choose the correct mathematical term: ”_________________ are not divisible by 2.”

Odd integers

Choose the right verb form (Give the appropriate definition for the verb form): I teach English.

Present simple (active voice)

Choose the right verb form (Give the appropriate definition for the verb form): I am taught English

Present simple (passive voice)

Choose the right verb form (Give the appropriate definition for the verb form): She is solving this problem.

Present continuous (active voice)

Choose the right verb form (Give the appropriate definition for the verb form): She is being solved this problem.

Present continuous (passive voice)

Choose the correct preposition: “How long does it take to sail _______ the lake?”

across

Choose the correct preposition: “They walked ________ the street until they found the restaurant.”

along

Choose the correct preposition: “It took a long time to go _________ passport control.”

through

Choose the correct preposition: “What is _______ there?”

over

We use this preposition to indicate the time of day ( ___ 5 o’clock, ___ lunchtime, ___ sunrise and so on).

We use this preposition to indicate the holiday periods ( ___ Easter, ___ Christmas)

There are exceptions for this preposition: ___ night, ___ midnight, ___ the weekend, ___ weekends, ___ the moment, ___ present, ___ the same time ( ___ work, ___ home, ___ school).

We use this preposition for indication of day(s) ( ___ Monday(s), ___ my birthday, ___ Christmas Day).

100

There are exceptions for this preposition: ___ Monday morning(s), ___ Sunday afternoon(s), ___ Tuesday evening(s).

Мат2 экзамен 1

Мұхаммедәли Анарбай · 100問 · 1年前

Мат2 экзамен 1