Computer gk questions Class pdf, Objective questions pdf download

Which of the following does not affect the resolution of a video display image?
(a) Bandwidth
(b) Raster scan rage
(c) Vertical and horizontal lines of resolution
(d) Screen Size
(e) None of these

Show Answer
(a) Bandwidth
 

Latency time is
(a) Time to spin the needed data under head
(b) Time to spin the needed data under track
(c) Time to spin data under sector
(d) All of these
(e) None of these

Show Answer
(a) Time to spin the needed data under head
 

DPI stands for
(a) Desktop projection Ink
(b) Dot per inch
(c) Dot-matrix printer ink
(d) Desktop pixel Inch
(e) None of these

Show Answer
(b) Dot per inch
 

Databases software may be divided into
(a) five distinct categories
(b) four distinct categories
(c) three distinct categories
(d) two distinct categories
(e) None of these

Show Answer
(c) three distinct categories
 

File record length
(a) Should always be fixed
(b) Should always be variable
(c) Depends upon the size of file
(d) Should be chosen to match the data characteristics.
(e) None of these

Show Answer
(d) Should be chosen to match the data characteristics.
 

____________ is the time required by a sector to reach below read/write heat
(a) Seek Time
(b) Latency Time
(c) Access Time
(d) None
(e) None of these

Show Answer
(b) Latency Time
 

_____________ is a technique of improving the priority of process waiting in Queue for CPU allocation
(a) Starvation
(b) Ageing
(c) Revocation
(d) Relocation
(e) None of these

Show Answer
(a) Bandwidth
 

A grammar for a programming language is a formal description of
(a) Syntax
(b) Semantics
(c) Structure
(d) Code
(e) None of these

Show Answer
(a) Bandwidth
 

________________is a technique of temporarily removing inactive programs from the memory of computer system (a) Swapping
(b) Spooling
(c) Semaphore
(d) Scheduler
(e) None of these

Show Answer
(a) Bandwidth
 

The memory allocation scheme subject to external fragmentation is
(a) segmentation
(b) swapping
(c) pure demand paging
(d) multiple fixed contiguous partitions

Show Answer
(a) Bandwidth
 

Virtual memory is
(a) simple to implement
(b) used in all major commercial operating systems
(c) less efficient in utilization of memory
(d) useful when fast I/O devices are not available

Show Answer
(a) Bandwidth
 

Before proceeding with its execution, each process must acquire all the resources it needs is called
(a) hold and wait
(b) No pre-emption
(c) circular wait
(d) starvation

Show Answer
(a) Bandwidth
 

The main reason to encrypt a file is to
(a) Reduce its size
(b) Secure it for transmission
(c) Prepare it for backup
(d) Include it in the start-up sequence

Show Answer
(a) Bandwidth
 

LRU page replacement policy is
(a) Last Replaced Unit
(b) Last Restored Unit
(c) Least Recently Used
(d) Least Required Unit

Show Answer
(a) Bandwidth
 

Which of the following is not a fundamental process state
(a) ready
(b) terminated
(c) executing
(d) blocked

Show Answer
(a) Bandwidth
 

ODBC stands for
(a) Object Database Connectivity
(b) Oral Database Connectivity
(c) Oracle Database Connectivity
(d) Open Database Connectivity

Show Answer
(a) Bandwidth
 

Which two files are used during operations of the DBMS
(a) Query languages and utilities
(b) DML and query language
(c) Data dictionary and transaction log
(d) Data dictionary and query language

Show Answer
(a) Bandwidth
 

A protocol is a set of rules governing a time sequence of events that must take place
(a) between peers
(b) between an interface
(c) between modems
(d) across an interface

Show Answer
(a) Bandwidth
 

In communication satellite, multiple repeaters are known as
(a) detector
(b) modulator
(c) stations
(d) transponders

Show Answer
(a) Bandwidth
 

Which of the following is required to communicate between two computers?
(a) communications software
(b) protocol
(c) communication hardware
(d) all of above including access to transmission medium

Show Answer
(a) Bandwidth
 

Which of the following is an advantage to using fiber optics data transmission?
(a) resistance to data theft
(b) fast data transmission rate
(c) low noise level
(d) All of these

Show Answer
(a) Bandwidth
 

Which of the following is not a transmission medium?
(a) telephone lines
(b) coaxial cables
(c) modem
(d) microwave systems

Show Answer
(a) Bandwidth
 

A technique for direct search is
(a) Binary Search
(b) Linear Search
(c) Tree Search
(d) Hashing

Show Answer
(a) Bandwidth
 

Two main measures for the efficiency of an algorithm are
(a) Processor and memory
(b) Complexity and capacity
(c) Time and Space
(d) Data and Space

Show Answer
(a) Bandwidth
 

The space factor when determining the efficiency of algorithm is measured by
(a) Counting the maximum memory needed by the algorithm
(b) Counting the minimum memory needed by the algorithm
(c) Counting the average memory needed by the algorithm
(d) Counting the maximum disk space needed by the algorithm

Show Answer
(a) Bandwidth
 

The memory address of the first element of an array is called
(a) floor address
(b) foundation address
(c) first address
(d) base address

Show Answer
(a) Bandwidth
 

The term push and pop is related to the
(a) array
(b) lists
(c) stacks
(d) all of these

Show Answer
(a) Bandwidth
 

What does Router do in a network?
(a) Forwards a packet to all outgoing links
(b) Forwards a packet to the next free outgoing link
(c) Determines on which outing link a packet is to be forwarded
(d) Forwards a packet to all outgoing links except the original link

Show Answer
(a) Bandwidth
 

Repeater operates in which layer of the OSI model?
(a) Physical layer
(b) Data link layer
(c) Network layer
(d) Transport layer

Show Answer
(a) Bandwidth
 

30.GIF images can have only up to _ colors
(a) 128
(b) 256
(c) 512
(d) 1024

Show Answer
(a) Bandwidth
 

_________________is stored on a client and contains state information of the website visited
(a) Cookies
(b) Servelet
(c) History
(d) Resident Page

Show Answer
(a) Bandwidth
 

__________are small applications that are accessed on an internet server, transported over the internet, automatically installed and run as part of a web document.
(a) Applets
(b) Java Bean
(c) Sockets
(d) Java Component

Show Answer
(a) Bandwidth
 

Encryption is the conversion of data in some intelligible format into an unintelligible format called.to prevent the data from being understood if read by an unauthorized party.
(a) Clear Text
(b) Encrypted Text
(c) Cipher Text
(d) Coded Text

Show Answer
(a) Bandwidth
 

The method for storing data temporarily such that the input-output of the same job is overlapped with its own processing, is known as :
(a) Spooling
(b) Contention
(c) I/O wait
(d) Buffering

Show Answer
(a) Bandwidth
 

Each cell in Microsoft Office Excel documents is referred to by its cell address, which is the..
(a) cells column label
(b) cells column label and worksheet tab name
(c) cells row and column labels
(d) cells row label

Show Answer
(a) Bandwidth
 

The lowest form of computer language is called
(a) BASIC
(b) FORTRAN
(c) Machine Language
(d) COBOL

Show Answer
(a) Bandwidth
 

The portion of the application that you work with in an application software package is the
(a) user interface
(b) utility interface
(c) processing interface
(d) analytical interface

Show Answer
(a) Bandwidth
 

Aprovides access to features of the program.
(a) menu bar
(b) browser
(c) Office Assistant
(d) feature presentation

Show Answer
(a) Bandwidth
 

Menus are a part of the
(a) hardware
(b) monitor
(c) Status Bar
(d) user interface

Show Answer
(a) Bandwidth
 

Which of the following is the term for a request for specific data contained in a database?
(a) question
(b) query
(c) inquiry
(d) quiz

Show Answer
(a) Bandwidth
 

Windows 7 is an example of a(n)
(a) application software
(b) browser
(c) Operating system
(d) shareware

Show Answer
(a) Bandwidth
 

The most powerful type of computer.
(a) mainframe computers
(b) microcomputers
(c) minicomputers
(d) supercomputers

Show Answer
(a) Bandwidth
 

The system component that controls and manipulates data in order to produce information is called the
(a) keyboard
(b) microprocessor
(c) monitor
(d) mouse

Show Answer
(a) Bandwidth
 

Which of the following is not an operating system for mobile phones?
(a) Android
(b) Symbian
(c) iOS
(d) Bada

Show Answer
(a) Bandwidth
 

This type of file is created by word processors.
(a) worksheet
(b) document
(c) database
(d) presentation

Show Answer
(a) Bandwidth
 

Many experts are predicting that this revolution is expected to dramatically affect the way we communicate and use computer technology.
(a) graphics
(b) input
(c) memory
(d) wireless

Show Answer
(a) Bandwidth
 

The Internet was launched in 1969 when the United States funded a project that developed a national computer network called
(a) Web
(b) ISP
(c) CERN
(d) ARPANET

Show Answer
(a) Bandwidth
 

A(n)..program provides access to Web resources.
(a) Web
(b) ISP
(c) browser
(d) URL

Show Answer
(a) Bandwidth
 

Rules for exchanging data between computers are called
(a) programs
(b) procedures
(c) protocols
(d) hyperlinks

Show Answer
(a) Bandwidth
 

The last part of the domain name following the dot(.) is the top. Domain
(a) Level
(b) link
(c) locator
(d) language

Show Answer
(a) Level
 

Leave a Comment