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
Ans : (a)
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
Ans : (a)
DPI stands for
(a) Desktop projection Ink
(b) Dot per inch
(c) Dot-matrix printer ink
(d) Desktop pixel Inch
(e) None of these
Ans : (b)
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
Ans : (c)
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
Ans : (d)
____________ 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
Ans : (b)
_____________ 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
Ans : (b)
A grammar for a programming language is a formal description of
(a) Syntax
(b) Semantics
(c) Structure
(d) Code
(e) None of these
Ans : (c)
________________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
Ans : (a)
The memory allocation scheme subject to external fragmentation is
(a) segmentation
(b) swapping
(c) pure demand paging
(d) multiple fixed contiguous partitions
(e) None of these
Ans : (a)
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
(e) None of these
Ans : (b)
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
(e) None of these
Ans : (a)
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
(e) None of these
Ans : (b)
LRU page replacement policy is
(a) Last Replaced Unit
(b) Last Restored Unit
(c) Least Recently Used
(d) Least Required Unit
(e) None of these
Ans : (c)
Which of the following is not a fundamental process state
(a) ready
(b) terminated
(c) executing
(d) blocked
(e) None of these
Ans : (d)
ODBC stands for
(a) Object Database Connectivity
(b) Oral Database Connectivity
(c) Oracle Database Connectivity
(d) Open Database Connectivity
(e) None of these Ans : (d)
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
(e) None of these
Ans : (c)
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
(e) None of these
Ans : (a)
In communication satellite, multiple repeaters are known as
(a) detector
(b) modulator
(c) stations
(d) transponders
(e) None of these
Ans : (d)
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
(e) None of these
Ans : (d)
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
(e) None of these
Ans : (d)
Which of the following is not a transmission medium?
(a) telephone lines
(b) coaxial cables
(c) modem
(d) microwave systems
(e) None of these
Ans : (c)
A technique for direct search is
(a) Binary Search
(b) Linear Search
(c) Tree Search
(d) Hashing
(e) None of these
Ans : (d)
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
(e) None of these
Ans : (c)
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
(e) None of these
Ans : (a) 4
The memory address of the first element of an array is called
(a) floor address
(b) foundation address
(c) first address
(d) base address
(e) None of these
Ans : (d)
The term push and pop is related to the
(a) array
(b) lists
(c) stacks
(d) all of these
(e) None of these
Ans : (c)
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
(e) None of these
Ans : (c)
Repeater operates in which layer of the OSI model?
(a) Physical layer
(b) Data link layer
(c) Network layer
(d) Transport layer
(e) None of these
Ans : (a)
30.GIF images can have only up to _ colors
(a) 128
(b) 256
(c) 512
(d) 1024
(e) None of these
Ans : (b
_________________is stored on a client and contains state information of the website visited
(a) Cookies
(b) Servelet
(c) History
(d) Resident Page
(e) None of these
Ans : (a)
__________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
(e) None of these
Ans : (a)
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
(e) None of these
Ans : (c)
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
(e) None of these
Ans : (d)
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
(e) None of these
Ans : (c)
The lowest form of computer language is called
(a) BASIC
(b) FORTRAN
(c) Machine Language
(d) COBOL
(e) None of these
Ans : (c)
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
(e) None of these
Ans : (a)
Aprovides access to features of the program.
(a) menu bar
(b) browser
(c) Office Assistant
(d) feature presentation
(e) None of these
Ans : (a)
Menus are a part of the
(a) hardware
(b) monitor
(c) Status Bar
(d) user interface
(e) None of these
Ans : (d)
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
(e) None of these
Ans : (b)
Windows 7 is an example of a(n)
(a) application software
(b) browser
(c) Operating system
(d) shareware
(e) None of these
Ans : (c)
The most powerful type of computer.
(a) mainframe computers
(b) microcomputers
(c) minicomputers
(d) supercomputers
(e) None of these
Ans : (d)
The system component that controls and manipulates data in order to produce information is called the
(a) keyboard
(b) microprocessor
(c) monitor
(d) mouse
(e) None of these
Ans : (b)
Which of the following is not an operating system for mobile phones?
(a) Android
(b) Symbian
(c) iOS
(d) Bada
(e) All of these are OS for mobile phones
Ans : (e)
This type of file is created by word processors.
(a) worksheet
(b) document
(c) database
(d) presentation
(e) None of these
Ans : (b)
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
(e) None of these
Ans : (d)
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
(e) None of these
Ans : (d)
A(n)..program provides access to Web resources.
(a) Web
(b) ISP
(c) browser
(d) URL
(e) None of these
Ans : (c)
Rules for exchanging data between computers are called
(a) programs
(b) procedures
(c) protocols
(d) hyperlinks
(e) None of these
Ans : (c)
The last part of the domain name following the dot(.) is the top. Domain
(a) Level
(b) link
(c) locator
(d) language
(e) None of these
Ans : (a)
