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IKT-1

Total questions: 112

Worksheet time: 56mins

Name
Class
Date
1.

Which of the following is (are) true about computers?

a)

II only

b)

II and III only

c)

I, II and III

d)

I and III only

2.

A computer processes data in a device called the

a)

server

b)

CPU

c)

device driver

d)

URL

3.

A computer file is a named collection of data that exists on which of the following?

a)

I, II and III

b)

III only

c)

I only

d)

II and III only

4.

Computers that operate in essentially the same way are said to be

a)

compatible

b)

compound

c)

user-friendly

d)

integrated

5.

Which of the following can supply input to a computer?

a)

III only

b)

I, II, and III

c)

I and II only

d)

I only

6.

Software has two categories: operating system software and application software.

a)

True

b)

False

7.

Operating system software example:

a)

Microsoft Word

b)

Unix

c)

Chrome

d)

Macromedia Dreamweaver

8.

Computers perform all basic operations except:

a)

Input data

b)

Process data

c)

Protect data

d)

Output data

9.

Which of the following can supply input to a computer?

a)

III only

b)

I only

c)

I and II only

d)

I, II, and III

10.

The ASCII code for the character ‘a’ is 97. How can the character ‘a’ be represented in binary using ASCII codes?

a)

00000001

b)

01000001

c)

None of the above

d)

01100001

11.

Which of the following represents the decimal number sequence 0, 1, 2, 3 in binary?

a)

0000, 0001, 0010, 0100

b)

0001, 0010, 0011, 0100

c)

None of the above

d)

0000, 0001, 0010, 0011

12.

Which of the following is the binary representation of decimal number 16?

a)

1100

b)

1111

c)

1110

d)

None of the above

13.

How many hexadecimal digits are needed to represent the decimal number 32?

a)

1

b)

4

c)

8

d)

2

14.

Which of the following is the binary representation of decimal number 23?

a)

11000

b)

11110

c)

10111

d)

None of the above

15.

All of them example of input devices except?

a)

keyboard

b)

mouse

c)

printer

16.

All of them example of output devices except?

a)

CPU

b)

Monitor

c)

Printer

d)

Speakers

17.

Digital computer breaks all types of information into tiny units and use numbers to represent those pieces of information

a)

True

b)

False

18.

An analog computer recognizes data as a continuous measurement of a physical property.

a)

True

b)

False

19.

Information is a collection of raw facts and figures. It may consist of numbers, characters, symbols or pictures etc.

a)

True

b)

False

20.

All of them are examples of hardware except:

a)

CPU

b)

I/O

c)

Memory

d)

Mac OS

21.

Information technology (IT) is the use of any computers, storage, networking and other physical devices, infrastructure and processes to create, process, store, secure and exchange all forms of electronic data.

a)

True

b)

False

22.

All of them are examples of storage devices on the computer except:

a)

CD-ROM

b)

CD-RW

c)

Floppy disk

d)

Scanner

23.

All of them are true about software except:

a)

Software is a set of computer instructions or data.

b)

Software receives input from the user and processes this input through the computer to produce output.

c)

Software is a type of equipment added to computer to enhance its functionality.

d)

Software specifies how to process the user’s data

24.

All electronic components in the system unit are connected to motherboard

a)

True

b)

False

25.

Storage Devices are used to store data permanently even when the computer is turned off

a)

True

b)

False

26.

Which of the following memory types holds data but requires very little power to retain its contents?

a)

RAM

b)

Virtual memory

c)

RDRAM

d)

CMOS

27.

The list of instructions that a CPU can execute is known as its

a)

op codes

b)

operands

c)

glossary

d)

instruction set

28.

CPU performance is influenced by which of the following?

a)

I and III only

b)

II only

c)

I and II only

d)

I, II, and III

29.

What is an area in the computer system unit that temporarily holds data before and after it is processed until the computer is turned off?

a)

ROM

b)

Hard disk drive

c)

CMOS

d)

RAM

30.

When a computer is turned on, the central processing unit performs instructions specified by the _____ that searches the disk drive for the main operating system files.

a)

CMOS

b)

RAM BIOS

c)

virtual memory

d)

ROM

31.

Which of the following explains Latency?

a)

is the maximum number of bits or bytes that can be stored in RAM.

b)

is typically measured in megabytes (MB).

c)

this delay is also referred to as access time.

d)

is a virtual memory.

32.

Which of the following is the primary function of a CPU?

a)

To determine if a program functions correctly before using it

b)

To execute only the operating system's instructions

c)

To execute only the instructions within a user specified application

d)

To execute any program's instructions stored in RAM

33.

Where is a computer's CPU located?

a)

On a hard disk drive

b)

On a floppy disk drive

c)

On an expansion card

d)

On the motherboard

34.

A computer clock with a speed of 100 MHz cycles how many times per second?

a)

100,000

b)

1,000

c)

100

d)

100,000,000

35.

Which of the following components is (are) typically found on the motherboard of a computer?

a)

II only

b)

I and II only

c)

I, II, and III

d)

I and III only

36.

Consider Computer A, which uses a 1.2-GHz CPU, and Computer B, which uses a 1-GHz CPU. For any given program P, which of the following is true?

a)

Program P runs faster on Computer A than it does on computer B.

b)

Program P runs faster on Computer B than it does on computer A.

c)

It takes the same amount of time for program P to run on computer A as it does on computer B.

37.

Which of the following can be an advantage of buying a computer that contains a widely-used CPU or its equivalent clone?

a)

I and II only

b)

I, II, and III

c)

I and III only

d)

II and III only

38.

Which of the following kinds of projects typically requires a special type of CPU that would not be found in a desktop or mainframe computer?

a)

Processing requests to send and receive email

b)

Performing business calculations for a financial report

c)

Looking up and storing information on customer accounts

d)

Monitoring the operation of an automobile engine

39.

Which of the following is (are) true of modern microprocessors?

a)

Microprocessor chips are typically the size of a deck of cards.

b)

Microprocessors typically contain millions of transistors.

c)

I only

d)

None

40.

Of the following types of storage, which provides the fastest access to data?

a)

RAM

b)

CD-ROM

c)

hard disk

d)

cache

41.

The microprocessor in a multi-purpose computer is also known as the

a)

RAM

b)

PCI

c)

VGA

d)

CPU

42.

Components of the CPU typically include which of the following?

a)

I. The control unit

b)

II. The Level 1 cache memory

c)

III. The Arithmetic/Logic Unit

d)

I, II, and III

43.

An Arithmetic/Logic Unit typically performs which of the following operations?

a)

I. Retrieval of instructions from RAM

b)

II. Performance of greater-than and less-than comparisons

c)

II only

d)

I only

44.

Of the following, which best describes what happens when a user opens a document for editing?

a)

A copy of the document is loaded from the disk into cache memory and edited in the cache.

b)

The document image is moved to free space on the disk where the image is directly edited.

c)

The document image is directly edited on the disk where it resides.

d)

A copy of the document is loaded from the disk into RAM and edited in RAM.

45.

Which of the following is (are) true of ROM?

a)

I. ROM stores data until computer is turned off.

b)

II. The instructions needed to boot a computer are typically stored in ROM.

c)

II only

d)

None

46.

Which of the following types of memory typically holds computer configuration settings and is powered by a small battery?

a)

ROM

b)

Cache

c)

Flash

d)

CMOS

47.

Of the following types of memory, which is least expensive and is not located on the microprocessor?

a)

L1 Cache

b)

L2 Cache

c)

Register

d)

DRAM

48.

Which of the following is (are) true of a bus on the motherboard?

a)

I. A bus is not critical to the overall performance of a computer system.

b)

II. A bus is used to transport data between components on the motherboard.

c)

III. The CPU and other components use a bus to read and write data into RAM.

d)

II and III only

49.

Which of the following are important considerations when purchasing a monitor?

a)

I. The number of resolution modes supported

b)

II. The different levels of color depth supported

c)

III. The size of the viewing area that can be projected

d)

I, II, and III

50.

Which of the following are true of Universal Serial Bus (USB)?

a)

I. Many devices can potentially be interconnected using the USB.

b)

II. It is used with many types of devices for transferring large amounts of data.

c)

III. It supports existing serial- and parallel-port devices.

d)

I and III only

51.

The speed of a computer bus is measured in _____, whereas the transfer rate is measured in _____.

a)

hertz, Bps

b)

Bps, hertz

c)

bits, channels

d)

channels, bits

52.

Input devices for a computer include which of the following?

a)

I.Digital cameras

b)

II.Scanners

c)

III.Speakers

d)

I and II only

53.

Computer output devices include which of the following?

a)

I.Projector

b)

II.Microphone

c)

III.Printer

d)

I and III only

54.

Which of the following correctly represents the layers of software in a computer system (from lowest level to highest level of abstraction)?

a)

BIOS, Operating System, Application, Runtime Library, User Interface, Application Program Interface

b)

Operating System, BIOS, Runtime Library, Application Program Interface, User Interface

c)

BIOS, Operating System, Application Program Interface, Runtime Library, Application, User Interface

d)

BIOS, User Interface, Operating System, Application, Runtime Library, Application Program Interface

55.

Which of the following statements is true?

a)

RAM is slower than ROM.

b)

CMOS stores configurations.

c)

Initially, when the computer is turned on, only the operating system can be found in the RAM.

d)

Private files are protected by the BIOS.

56.

Which of the following best describes preemptive multitasking?

a)

A real-time clock generates interrupts during which other processes may be executed.

b)

Multiple CPUs concurrently execute processes in parallel.

c)

As soon as a process has completed execution, the execution of another process begins.

d)

The CPU switches between processes after executing each instruction.

57.

Which of the following operations cause(s) a fault to occur?

a)

I. The hardware is asked to do something it cannot do.

b)

II. The memory's error correction circuitry detects an uncorrectable error.

c)

III. The program attempts to execute an illegal machine instruction.

58.

Encapsulation is:

a)

Organizing software into layers that are relatively dependent

b)

when each layer needs only a limited amount of knowledge to do its job

c)

when all layers should be connected

d)

about how software layers communicate

59.

Hardware is:

a)

lowest level of the computer

b)

most primitive level of software

c)

used by Operating systems to control a device

d)

performs functions that are critical to maintaining the operating system

60.

Application Program Interface (API):

a)

Abstraction defined by OS to work with applications

b)

Layer where the routines perform tasks the application is designed to do

c)

A library of routines that are bound to the program during execution

d)

Responsible for the communication between the application and the user

61.

User interface:

a)

Manages storage for programs and data

b)

Typically, it is a GUI, composed of buttons and pull-down menus

c)

Maintain security of the system

d)

Sets standards for all the application software used in a computer system

62.

Which of the following deals directly with the signals that control each hardware component?

a)

Basic Input/Output System (BIOS)

b)

User Interface

c)

Kernel

d)

API

63.

Operating systems can be classified into two categories: server operating system and desktop operating system.

a)

True

b)

False

64.

An E-Commerce system consists of the following components. Which of these same components must be included in a database?

a)

I. The data, such as information about the goods available for sale, customers, orders placed, shipping information, etc.

b)

II. A database must include a collection of programs that control the data, such as programs to create, maintain, and manipulate the data. These programs can be easily used to create, maintain, and manipulate data in other domains.

c)

III. A database must include a collection of programs that operate on the data, but are specific to the E-commerce system.

65.

Which of them is not true about data files?

a)

applications must access data directly

b)

applications must be aware of the file structure

c)

applications may have to access data that they do not need while searching for some piece of data

d)

use of access methods that act as index to retrieve the data

66.

In a given database define primary key in table Students?

a)

Id

b)

FirstName

c)

TeacherId

d)

LastName

67.

Define the foreign key in table Students?

a)

TeacherId

b)

Id

c)

DateOfBirth

d)

LastName

68.

An E-Commerce system consists of the following components. Which of the same components must be included in a database management system?

a)

I. The data, such as information about the goods available for sale, customers, orders placed, shipping information, etc.

b)

II.A collection of programs must be included that control the data, such as programs to create, maintain, and manipulate the data.

c)

III.A collection of programs that operate on the data, but are specific to the E-commerce system.

69.

An E-Commerce system consists of the following components. Which of these same components will constitute a database system?

a)

I. The data, such as information about the goods available for sale, customers, orders placed, shipping information, etc.

b)

II.A collection of programs that control the data, such as programs to create, maintain, and manipulate the data constitutes a database system.

c)

III.A collection of programs that operate on the data, but are specific to the E-commerce system.

70.

The foreign key in a table T1_____ the same _____ as the corresponding primary key in table T2.

a)

must have, name

b)

need to have, name

c)

must have, id number

71.

A software system that enables users to define the data, maintain it and control its access is called?

a)

Database

b)

Database Management System

c)

Table

d)

Primary key

72.

Which of them is not component of the database system?

a)

An application specific database

b)

A DBMS that maintains this database

c)

Application Software that manipulates the database

d)

Application programmers

73.

Which of them is not type of the DBMS?

a)

Oracle

b)

Microsoft Access

c)

MySQL

d)

Web Application

74.

The standard data model for modern databases is the relational in the table form.

a)

True

b)

False

75.

A primary key, also called a primary keyword, is a key in a relational database that is unique for each record.

a)

True

b)

False

76.

DBMS uses Structured Query Language(SQL) for data manipulation.

a)

True

b)

False

77.

Database is a shared collection of logically related data and a self-describing collection of integrated records.

a)

True

b)

False

78.

There are two ways to store data: data files, in database;

a)

True

b)

False

79.

The generic term node or host refers to

a)

device on a network

b)

network connection

c)

the speed with which data is moved

d)

physical wires or cables

80.

Which of them is used to translate hostnames into numeric IP addresses

a)

TCP

b)

DNS

c)

IP

d)

UDP

81.

Which of them provides reliable connection?

a)

TCP

b)

IP

c)

UDP

d)

DNS

82.

Data confidentiality is

a)

data is not altered unintentionally

b)

data access is restricted to authorized personnel

c)

services that enable data access are operational

d)

malicious programs disabling the system

83.

Brute force:

a)

matching every word in the dictionary against the password

b)

trying all different alphanumeric combinations

c)

captures data packets as they are transmitted through the network

d)

refers to the action of tricking people into providing information needed to gain access to systems

84.

Social engineering:

a)

trying all different alphanumeric combinations

b)

matching every word in the dictionary against the password

c)

refers to the action of tricking people into providing information needed to gain access to systems

d)

captures data packets as they are transmitted through the network

85.

Packet sniffing:

a)

captures data packets as they are transmitted through the network

b)

trying all different alphanumeric combinations

c)

matching every word in the dictionary against the password

d)

refers to the action of tricking people into providing information needed to gain access to systems

86.

IP spoofing:

a)

to detect security weaknesses in a remote or local host

b)

is a technique used to gain unauthorized access to computers, whereby the intruder sends messages to a computer with an IP address indicating that the message is coming from a trusted host

c)

where an attacker fakes an email header to make it appear as if it came from somewhere or someone other than the actual source

d)

refers to the action of tricking people into providing information needed to gain access to systems

87.

Virus:

a)

attaches itself to a file or software application

b)

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

c)

is malicious software that can execute itself on a vulnerable remote machine

d)

pen

88.

Which of them is not true about Firewalls

a)

A firewall is a software that can be loaded on to a network that can serve as a barrier that keeps destructive forces away from a network of computers

b)

Packets of data are analyzed against a set of criteria or standards called filters.

c)

Filters block certain designated IP addresses.

d)

Provides other companies or individuals with access to the Internet

89.

Which of the following services use TCP?

a)

a. DHCP

b)

b. SMTP

c)

c. HTTP

d)

d. TFTP

e)

e. FTP

90.

Using Substitution encryption encrypt following: plaintext: GAR encryption key: shift right by two character

a)

IST

b)

UDP

c)

FTP

d)

ICT

91.

Hostname is an unique identification that specifies a particular computer on the Internet

a)

True

b)

False

92.

Network software translates a hostname into its corresponding IP address For example: 205.39.145.18

a)

True

b)

False

93.

File server a computer that stores and manages files for multiple users on a network

a)

True

b)

False

94.

In a denial of service (DoS) attack, the objective of the attacker is to exhaust system resources such as network connectivity and network bandwidth to prevent legitimate traffic from being transmitted and processed.

a)

True

b)

False

95.

A Trojan horse is a program that appears to be performing one task while executing a malicious task in the background.

a)

True

b)

False

96.

Web server a computer dedicated to responding to requests (from the browser client) for web pages

a)

True

b)

False

97.

To improve the efficiency of transferring information over a shared communication line, messages are divided into fixed-sized, numbered packets

a)

True

b)

False

98.

Which of them is the server-side language?

a)

HTML

b)

Java

c)

Javascript

d)

CSS

99.

Which of them is the client-side language?

a)

Java

b)

PHP

c)

Javascript

d)

ASP.NET

100.

Define the attribute name: align= “right”;

a)

p

b)

align

c)

"right"

101.

Web browser

a)

Request a web page from a web server by typing either URL or a web page

b)

It is a collection of information stored on the networked computers over the world.

c)

Internet service that stores and provides information.

d)

One or more links that point to other web pages which makes it easy to follow a thread of related information.

102.

HTTP

a)

is the protocol that allows Web browsers to communicate with Web servers.

b)

is a global Internet address of a document on a computer.

c)

IP address or the domain name where the resource is located.

d)

uses UDP protocol.

103.

Client is

a)

The process of creating, modifying web pages.

b)

Any page that is hosted on the Internet.

c)

Any computer that receives requests from client computers, processes and sends the output.

d)

Any computer on the network that requests services from another computer on the network.

104.

HTML is the standardized markup language that structures and formats content on the web. Page elements like the titles, headings, text and links are included.

a)

True

b)

False

105.

CSS allows a programmer to define the look and format of multiple webpages at once; elements like color, layout and fonts are specified in one file that’s kept separate from the core code of the webpage.

a)

True

b)

False

106.

JavaScript is the programming language that brings animation, games, apps, interactivity and other dynamic effects to life.

a)

True

b)

False

107.

Client-side scripting simply refers to any code that facilitates the transfer of data from that web server to a browser. It also refers to any code used to build a database or manage data on the web server itself.

a)

True

b)

False

108.

Server-side scripts run on the web server, which has the power and resources to run programs that are too resource intensive to be run by a web browser.

a)

True

b)

False

109.

The first part of the URL address indicates what protocol to use, and the second part specifies the IP address or the domain name where the resource is located.

a)

True

b)

False

110.

The Internet is a collection of documents that are interconnected by hyper-links.

a)

True

b)

False

111.

The Web is a collection of computers or networking devices connected together.

a)

True

b)

False

112.

Which of the following correctly represents the layers of software in a computer system (from lowest level to highest level of abstraction)?

a)

BIOS, Operating System, Application, Runtime Library, User Interface, Application Program Interface

b)

Operating System, BIOS, Runtime Library, Application Program Interface, User Interface

c)

BIOS, Operating System, Application Program

d)

BIOS, Operating System, Application Program Interface, Runtime Library, Application, User Interface

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