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