Information technology MCQs

Showing 50 questions (Total: 2310)

Janata Bank Ltd #851

Which of the following refers to the correctness and completeness of the data in a database ?

A: Data integrity
B: Data security
C: Data constraint
D: Data independence
Janata Bank Ltd #852

Data access time depends on -

A: Seek time
B: Rotational delay
C: Operating frequency
D: All of them
Janata Bank Ltd #853

The primary job of the operating system is -

A: Manage commands
B: Manage Users
C: Manage Resources
D: Manage Programs
Janata Bank Ltd #854

The Internet is an example of -

A: Packet switched network
B: Circuit swithched network
C: Cell switched network
D: All of them
Janata Bank Ltd #855

Which memory allocation policy allocate the largest hole to the process ?

A: Best-Fit
B: First-Fit
C: Worst-Fit
D: None of them
Bangladesh House Building Finance Corporation #856

The right to use a piece of software is termed ---

A: License
B: Patent
C: Copyright
D: Installation
Janata Bank Ltd #857

Which of the following is not a class of computers based on size ?

A: Mainframe Computers
B: Mini Computers
C: Micro Computers
D: Super Computers
Janata Bank Ltd #858

CD-ROM stands for

A: Compactable Read Only Memory
B: Compact Data Read Only Memory
C: Compactable Disk Read Only Memory
D: Compact Disk Read Only Memory
Janata Bank Ltd #859

Easily relocatable language is

A: Machine Language
B: Assembly Language
C: High Level Language
D: Medium Level Language
Janata Bank Ltd #860

................. controls the functioning of the computer system as well as provides users the means to interact with the computer.

A: The motherboard
B: A network
C: The platform
D: The operating system
Janata Bank Ltd #861

Which is the limitation of high level language ?

A: Lower efficiency
B: Machine dependence
C: Machine level coding
D: none of these
Janata Bank Ltd #862

A characteristic of card systems is :

A: Slowness in processing data
B: Using cards as records of transactions
C: Needing a larger DP staff
D: All of them
Janata Bank Ltd #863

Photo-editing, word-processing and spreadsheet are examples of which of the following ?

A: Platform software
B: System Software
C: Operating Software
D: Application Software
Janata Bank Ltd #864

What is Ubuntu ?

A: A malware
B: An operating system
C: An application program
D: A firmware
Janata Bank Ltd #865

An advantage of the database management approach is

A: data is dependent on programs
B: data redundancy increases
C: data is integrated and can be accessed by multiple programs
D: None of these
Janata Bank Ltd #866

Key to represent relationship between tables is called

A: primary key
B: secondary key
C: foreign key
D: none of these
Janata Bank Ltd #867

Who invented the microprocessor ?

A: Marcian E Huff
B: Herman H Goldstein
C: Jeseph Jacquard
D: ALL
Janata Bank Ltd #868

Data is independence means

A: data is defined separately and not included in programe
B: programs are not dependent of the physical attributes of data
C: programs are not dependent on the logical attributes of data
D: both b and c
Janata Bank Ltd #869

The process of a computer receiving information from a server on the Internet is known as :

A: Uploading
B: Pushing
C: Downloading
D: Transferring
Janata Bank Ltd #870

A web page is identified by :

A: HTTP
B: URL
C: IP
D: TCP
Janata Bank Ltd #871

In Microsoft Word, which command is used to search for a word ?

A: Ctrl + S
B: Ctrl+F
C: Ctrl+R
D: Ctrl+A
Janata Bank Ltd #872

In Windows Operating System, which keyboard shortcut is used to close any program ?

A: Ctrl+F4
B: Alt+F4
C: Ctrl + Alt + Delete
Janata Bank Ltd #873

In Microsoft Excel, data presented in rows are converted into columns using which of the following options :

A: Transpose
B: Values
C: Inverse
D: Align
Janata Bank Ltd #874

Which of the following statements in true regarding Cookies ?

A: It is stored in web-client
B: It is stored in server
C: Each browsing time cookies become reset
D: It is client side program
Janata Bank Ltd #875

Which one does run on client side ?

A: PHP
B: Java Script
C: ASP.NET
D: none of these
Janata Bank Ltd #876

What does https mean ?

A: Hyper Text Transfer Protocol Secure
B: Hyper Text Transfer Protocol System
C: Hyper Text Transfer Protocol Service
D: Hyper Text Transfer Protocol Sense
Janata Bank Ltd #877

In TCP/IP model which one is not a valid layer ?

A: Presentation Layer
B: Protocol Layer
C: Transport Layer
D: Physical Layer
Janata Bank Ltd #878

What is the angle that is half of its own complement ?

A: To remove redundancy
B: To make database
C: To make data meaningful
D: To make database consistence
Janata Bank Ltd #879

In an Entity Relationship Diagram many-to-many relationship corresponds to a ________ in actual database.

A: table
B: field
C: row
D: primary key
Janata Bank Ltd #880

What does DNS database contains ?

A: Name server records
B: Hostname-to-address records
C: Hostname aliases
D: all of these
Janata Bank Ltd #881

Which service(s) is/are related with cloud computing ?

A: SaaS
B: PaaS
C: IaaS
D: all of these
Janata Bank Ltd #882

What type of architecture does Skype use while conversation ?

A: Client server architecture
B: Peer to peer architecture
C: Service oriented architecture
D: MVC architecture
Janata Bank Ltd #883

The interval from the time of submission of a process to the time of completion is termed as :

A: waiting time
B: processing time
C: turnaround time
D: throughout
Janata Bank Ltd #884

Two sets are called disjoint if the ________ is an empty set.

A: intersection
B: union
C: difference
D: complement
Janata Bank Ltd #885

Which one of the following is the core property of Object Oriented Programming ?

A: Encapsulation, polymorphism
B: Encapsulation, inheritance
C: Polymorphism, overloading
D: Encapsulation, polymorrphism, and inheritance
Janata Bank Ltd #886

In Object Oriented Programming a property can be accessed from ________.

A: anywhere of the object
B: only from its own class
C: parent class
D: child class
Janata Bank Ltd #887

What are the three main types of computer languages ?

A: Machine language, assembly language and high level language
B: Structural language, functional language and object oriented language
C: Imperative language, functional language and declarative language
D: all of these
Janata Bank Ltd #888

On which number system does computer work ?

A: Binary
B: Decimal
C: Octal
D: Hexadecimal
Janata Bank Ltd #889

When new data are to inserted into a data structure, but there is no available space ; this situation is usually called _______.

A: underflow
B: overflow
C: houseful
D: saturated
Janata Bank Ltd #890

Which of the following is not the state of a process in Process Control Block (PCB) ?

A: Old
B: New
C: Waiting
D: Running
Janata Bank Ltd #891

Which of the following is Cloud Platform by Microsoft ?

A: Azure
B: AWS
C: cloudera
D: Openstack
Janata Bank Ltd #892

Which format is usually used to store data in computer ?

A: BCD
B: Decimal
C: Hexadecimal
D: Octal
Janata Bank Ltd #893

To represent hierarchical relationship between element, which data structure is suitable ?

A: Desuetude
B: Priority
C: Tree
D: Graph
Janata Bank Ltd #894

Swap space exists in ______.

A: CPU
B: random memory
C: primary memory
D: secondary memory
Janata Bank Ltd #895

To covert paper into an editable document, a scanner would employ _________ technology.

A: UPC
B: scanning
C: coversion
D: OCR
Janata Bank Ltd #896

The degree of any vertex of a graph is :

A: Number of vertices in a graph
B: The number of vertices incident with the vertex
C: Number of vertices adjacent to the vertex
D: Number of edges of the graph
Janata Bank Ltd #897

Which is equivalent to 1 GB ?

A: 10^4 B
B: 10^6 B
C: 10^8 B
D: 10^9 B
Janata Bank Ltd #898

Which bus used to connect the monitor to the CPU ?

A: PCI bus
B: STE bus
C: Memory bus
D: SCSI bus
Janata Bank Ltd #899

When we substract-3 from2, the answer is _______.

A: 0001
B: 1101
C: 0101
D: 1001
Standard Bank Ltd #900

Which one of the following is a read only memory storage device?

A: CD-ROM
B: Hard disk
C: Floppy disk
D: Pen drive