Hartron DEO Exam Free Mock Test 18

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Hartron DEO Exam Free Mock Test 18

Hartron DEO Exam Free Mock Test 18 : अगर किसी भी स्टूडेंट को HARTRON डाटा एंट्री ऑपरेटर के रिटेन एग्जाम की तैयारी करनी है तो उसके लिए हमारे पास स्पेशल पीडीऍफ़ है। जिसमे आपको एग्जाम में पूछे जाने वाले Questions की टॉपिक वाइज Series मिलेगी। एग्जाम में पूछे जाने वाले सभी Questions उसी PDF में से आएँगे। अगर आपको भी पीडीऍफ़ चाहिए है तो आप हमसे WhatsaApp पर सम्पर्क कर सकते है। Free Mock Test 18 आपको नीचे देखने को मिलेंगे जिसकी कोई भी फीस नहीं है और एग्जाम में प्रशन इसी Mock Test से आएँगे, तो आप ज्यादा से ज्यादा इसको शेयर करें।

681 Data items grouped together for storage purpose are called a:

A) Record

B) title

C) list

D) string

… Answer is A)

682 The data base administration function includes

A) application programming

B) computer operations management

C) database access planning

D) all of the above

… Answer is C)

683 Which of the following fields in a student file can be used as a primary key?

A) class

B) social security number

C) GPA

D) Major

… Answer is B)

684 Which of the following is not true of the traditional approach to informationprocessing?

A) There is common sharing of data among the various applications

B) it is file-oriented

C) programs are dependent on othe file

D) it is inflexible

… Answer is A)

685 The relational data-base environemnt has all of othe followng components except

A) users

B) separate files

C) data base

D) Query language

… Answer is B)

686 The way a particular application views the data from the data base that the application uses is a

A) module

B) relational mode

C) schema

D) sunschema

… Answer is D)

687 Which of the following is not a logical data base structure?

A) Tree

B) relational

C) network

D) chain

… Answer is D)

688 The logical data structure with a one to many relationship is a

A) network

B) tree

C) chain

D) relational

… Answer is B)

689 The data base administrator is, in effect, the coordinatror between the ……and the…….

A) DBMS; data base

B) Application program, data base

C) Data base; users

D) Application programs; users

… Answer is C)

690 Which of the following is not an advantage of the data-base approach

A) elimination of the data redundancy

B) ability of associate related data

C) increased security

D) all of the above

… Answer is D)

691 Which of thefollowing hardware components is the most improtant to the operation of data base management system?

A) high-resolution video display

B) printer

C) high-speed, large-capacity disk

D) mouse

… Answer is C)

692 A data dictionary doesn’t provide information about

A) where data is located

B) the size of the disk storage device

C) who won or is responsible for the data

D) how the data is used

… Answer is B)

693 Which of the follwing is true of the data manipulation language(DML)?

A) it refer todata using physical addresses

B) it cannot interface with high-level programming language

C) it is used to define the physicalcharacteristics of each record

D) none of the above

… Answer is D)

694 Data base management system are intended to

A) eliminate data redundancy

B) establish relationships among records in different files

C) manage file access

D) all of the above

… Answer is D)

695 Which of the following contains a complete record of all activity that affectted the contents of a data bae during a ceertain perido of time?

A) reprot writer

B) query language

C) data manipulation language

D) transaction log

… Answer is D)

696 Which two files are used during operation of the RDBMS?

A) query langauge and utilities

B) data manipulation language and query langauge

C) data dictionary and transaction log

D) data dictionary and query language

… Answer is C)

697 Generalized data base management systems do not retrieve data tomeet routine requests

A) True

B) False

C) –

D) –

… Answer is B)

698 One approach to standarizing storing of data?

A) MIS

B) structured programming

C) CODASYL specifications

D) none of the above

… Answer is C)

699 Which of the following is a data base administrator’s function?

A) data base design

B) backing oup the database

C) performance monitoring

D) all of the above

… Answer is D)

700 Which of the following is a component of DBMS software

A) data base manipulation langauge

B) query language

C) utilities

D) all of of the above

… Answer is D)

701 Data item characteristics that are important in data management include

A) punctuation

B) language

C) spelling

D) width

… Answer is D)

702 Which of the following is not the responsibility of the utilities component of DBMS software?

A) creating the physical and logical designs

B) removing flagged records for deletion

C) Creating and maintaining the data dictionary

D) monitoring performance

… Answer is A)

703 Which of the following is not characteristic of a relational data bae model?

A) Tables

B) Treelike- structure

C) Complex logical relationships

D) records

… Answer is B)

704 Which of the following is a prblem of file management system?

A) difficult to update

B) lack of data independence

C) data redundancy

D) all of the above

… Answer is D)

705 What is required when more than one person uses a central computer at the same time?

A) Light pen

B) mouse

C) digitizer

D) terminal

… Answer is D)

706 A hard copy would be prepared on a

A) line printer

B) dot matrix printer

C) type writer terminal

D) all of the above

… Answer is D)

707 Which of the following input/output devices is not associated with personal computers?

A) mice

B) color monitors

C) punched cards

D) dot-matrix printers

… Answer is C)

708 A typical personal computer used for business purposes would have ___________ of RAM

A) 4K

B) 16K

C) 64K

D) 256K

… Answer is D)

709 The word length of a computer is measured in

A) bytes

B) millimeters

C) metres

D) bits

… Answer is D)

710 Multi-user systems provide cost savings for small business because they use a single processing unit to link several

A) personal computers

B) workstations

C) dumb terminals

D) mainframes

… Answer is C)

711 What are the three decision-making operations performed by the ALU of a computer?

A) Greater than

B) Less than

C) Equal to

D) All of the above

… Answer is D)

712 What part of the computer is used for calculating and comparing?

A) disk unit

B) control unit

C) ALU

D) modem

… Answer is C)

713 Can you tell what passes into and out from the computer via its ports?

A) data

B) bytes

C) graphics

D) pictures

… Answer is B)

714 What is the size of the diskettes used by IBM’s newer PS/2 personal computers?

A) 5.5″

B) 8″

C) 3.5″

D) 2.5″

… Answer is C)

715 The computer memory holds data and

A) bytes

B) program

C) registers

D) bits

… Answer is B)

716 In computer technology, what is meant by the phrase “state-of-the-art”?

A) up-to-date

B) best

C) latest

D) all of the above

… Answer is D)

717 The checking operation performed on input data is called the

A) validation of data

B) verification of data

C) cross check

D) control of data

… Answer is A)

718 The most expensive component in a computer system is its

A) hardware

B) peripherals

C) software

D) none of the above

… Answer is D)

719 In digital data transmission

A) baud rate is equal to bit rate

B) baud rate is always smaller than the bit rate

C) baud rate is always higher than the bit rate

D) none of the above

… Answer is D)

720 Information retrieval is fastest from

A) Floppy disk

B) magnetic tape

C) hard disc

D) all of the above

… Answer is C)

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