DEL command is used to
1.Delete files
2.Delete directory
3.Delete labels
4.Delete contents of file
Posted Date:-2021-10-06 17:26:46
A collection of 8 bits is called
1.byte
2.word
3.record
4.All of above
Posted Date:-2021-10-06 17:26:46
A data terminal serves as an
1.ffector
2.ensor
3.oth a and b
4.either a nor b
Posted Date:-2021-10-06 17:26:46
DEL command is used to
1. Delete files
2. Delete directory
3. Delete labels
4. Delete contents of file Delete labels
Posted Date:-2021-10-06 17:26:46
Electronic spreadsheets are most useful in a situation where relatively .... data must be input but ...... calculations are requied. large; complex
1.little; simple
2.large; simple
3.large; complex
4.little; complex
Posted Date:-2021-10-06 17:26:46
External command in DOS are
1.Copy edit sys format
2.Edit sys chkdsk
3.Chkdsk prompt date
4.Sys ver vol
Posted Date:-2021-10-06 17:26:46
In MS-DOS you can use small or capital letter of combination of both to enter a command but internally MS-DOS work with.
1.Small letter
2.Capital letter
3.Both a and b
4.None of above
Posted Date:-2021-10-06 17:26:46
In OSI network architecture the dialogue control and token management are responsibility of
1.session layer
2.network layer
3.transport layer
4.data link layer
Posted Date:-2021-10-06 17:26:46
Interrupts which are initiated by an instruction are
1.internal
2.external
3.hardware
4.software
Posted Date:-2021-10-06 17:26:46
Microprocessor 8085 can address location upto
1.32K
2. 128K
3. 64K
4. 1M
Posted Date:-2021-10-06 17:26:46
MS-DOS developed in
1.1991
2.1984
3.1971
4.1961
Posted Date:-2021-10-06 17:26:46
Processors of all computers whether micro mini or mainframe must have
1.ALU
2.Primary Storage
3.Control unit
4. All of above
Posted Date:-2021-10-06 17:26:46
The channel in the data communication model can be
1.ostal mail services
2.elephone lines
3.adio lines
4.ny of the above
Posted Date:-2021-10-06 17:26:46
The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as:
1.modulation
2.demodulation
3.synchronizing
4.digitizing
Posted Date:-2021-10-06 17:26:46
The synchronous modems are more costly than the asynchronous modems because
1.they produce large volume of data
2.they contain clock recovery circuits
3.they transmit the data with stop and start bits
4.they operate with a larger bandwidth
Posted Date:-2021-10-06 17:26:46
To copy the file command.com from drive c: to drive a:
1.Drive c: copy drive a:command.com
2. C:A: copy command.com
3.Copy c:command.com a:
4.Both b and c
Posted Date:-2021-10-06 17:26:46
Which of the following is an advantage to using fiber optics data transmission?
1.resistance to data theft
2.fast data transmission rate
3.low noise level
4.all of above
Posted Date:-2021-10-06 17:26:46
. Which of the following types of channels moves data relatively slowly?
1.wide band channel
2.voice band challen
3.narrow band channel
4.none of above
Posted Date:-2021-10-06 17:26:46
A complete microcomputer system consists of
1.microprocessor
2.memory
3.peripheral equipment
4.all of above
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All computers execute
1.BASIC programs
2.COBOL programs
3.Machine language program
4.FORTRAN programs
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All of the following are divisions of the COBOL program except:
1.input-output
2.indentification
3.procedure
4.data
Posted Date:-2021-10-06 17:26:46
An example of digital rather than analog communication is
1.DD
2.DS
3.ATS
4.DT
Posted Date:-2021-10-06 17:26:46
Avalanche photodiode receivers can detect bits of transmitted data by receiving
1.100 photons
2.200 photons
3.2000 photons
4.300 photons
Posted Date:-2021-10-06 17:26:46
CHKDSK can be used to find
1.Disk�s bad portion
2.Occupied space
3.Free space
4.All of above
Posted Date:-2021-10-06 17:26:46
CHKDSK command is used to
1.Analyze the hard disk error
2.Diagnose the hard disk error
3.Report the status of files on disk
4.All of the above
Posted Date:-2021-10-06 17:26:46
Data communications monitors available on the software marked include
1.ENVIRON/1
2.TOTAL
3.BPL
4.Telnet
Posted Date:-2021-10-06 17:26:46
DIR command is used to
1.Display a list of files in a directory
2.Display contents of files in directory
3.Display type of files in a sub directory
4.All of above
Posted Date:-2021-10-06 17:26:46
Disk copy command in DOS is used to
1.Copy a file
2.Copy contents of one floppy disk to another
3.Copy contents of CD-ROM to another
4.All of the above
Posted Date:-2021-10-06 17:26:46
If you need to duplicate the entire disk which command will you use?
1.Copy
2.Diskcopy
3.Chkdsk
4.Format
Posted Date:-2021-10-06 17:26:46
In a synchronous modem the receive equilizer is known as
1.daptive equilizer
2.mpariment equilizer
3.tatistical equilizer
4.ompromise equilizer
Posted Date:-2021-10-06 17:26:46
In BASIC description comments are put in the source program with the
1.PRINT statement
2.REMARK statement
3.INPUT statement
4.DATA statement
Posted Date:-2021-10-06 17:26:46
In communication satellite multiple repeaters are known as
1.detector
2.modulator
3.stations
4.transponders
Posted Date:-2021-10-06 17:26:46
In immediate addressing the operand is placed
1.in the CPU register
2.after OP code in the instruction
3. in memory
4.in stack
Posted Date:-2021-10-06 17:26:46
In which year the first operating system was developed
1.1910
2.1940
3.1950
4.1980
Posted Date:-2021-10-06 17:26:46
Maximum length of DOS command using any optional parameter is
1.26 characters
2.87 characters
3.127 characters
4.None of above
Posted Date:-2021-10-06 17:26:46
One disadvantage of a direct access file is:
1.the delay in computiong the storage address
2.duplication of address locations
3.unsued but available storage locations
4.all of above
Posted Date:-2021-10-06 17:26:46
Pipeline implement
1.fetch instruction
2.decode instruction
3.fetch operand
4.all of abve
Posted Date:-2021-10-06 17:26:46
Pipelining strategy is called implement
1.instruction execution
2.instruction prefetch
3.instruction decoding
4.instruction manipulation
Posted Date:-2021-10-06 17:26:46
Terminals are required for
1.eal-time batch processing & time-sharing
2.eal time time-sharing & distributed message processing
3.eal time distributed processing & manager inquiry
4.eal-time time sharing & message switching
Posted Date:-2021-10-06 17:26:46
The ALU and control unit of most of the microcomputers are combined and manufacture on a single silicon chip. What is it called?
1.monochip
2.microprocessor
3.ALU
4.control unit
Posted Date:-2021-10-06 17:26:46
The branch logic that provides decision making capabilities in the control unit is known as
1.controlled transfer
2.conditional transfer
3.unconditional transfer
4.none of above
Posted Date:-2021-10-06 17:26:46
The interactive transmission of data within a time sharing system may be best suited to
1.simplex lines
2.half-duplex lines
3.full duplex lines
4.biflex-lines
Posted Date:-2021-10-06 17:26:46
The transmission signal coding method of TI carrier is called
1.Bipolar
2. NRZ
3. Manchester
4. Binary
Posted Date:-2021-10-06 17:26:46
The vol command is used to
1.see the value of list
2.see the veriety of language
3.see the disk volume label
4.see the volume of largest
Posted Date:-2021-10-06 17:26:46
To copy the hidden system files of DOS to another disk you can use the command
1.Copy
2.Ren
3.Sys
4.Diskcopy
Posted Date:-2021-10-06 17:26:46
What is the main difference between DDCMP and SDLC?
1.DCMP does not need special hardware to final the beginning of a message
2.DCMP has a message header
3.DLC has a IP address
4.DLC does not use CRC
Posted Date:-2021-10-06 17:26:46
What is the number of separate protocol layers at the serial interface gateway specified by the X.25 standard?
1.4
2.2
3.6
4.3
Posted Date:-2021-10-06 17:26:46
Which command be used to clear the screen and display the operating system prompt on the first line of the display?
1.Cd
2.Md
3.Rename
4.cls
Posted Date:-2021-10-06 17:26:46
Which command displays the directory list including files in tree structure?
1.Dir/s/f
2.Tree/f
3. Tree/s/f
4.Dir/f
Posted Date:-2021-10-06 17:26:46
Which command is used to display all the files having the (.exe) extension but different filename?
1.Dir filename.*
2.Dir filename.ext
3.Dir *.sys
4.Dir *.ext
Posted Date:-2021-10-06 17:26:46
Which command is used to make a new directory?
1.Md
2.Cd
3.Rd
4.None of above
Posted Date:-2021-10-06 17:26:46
Which command should be used to display all files within the specified subordinate directory of the subdirectory?
1.Dir pathname
2.Dir pathnamepathname
3.Dir / ch
4. Dir pathnamefilename
Posted Date:-2021-10-06 17:26:46
Which file organization is allowed by a direct access storage device?
1.direct only
2.sequential and direct only
3.indexed and direct only
4.sequential indexed and direct
Posted Date:-2021-10-06 17:26:46
Which of hte following is considered a broad band communication channel?
1.coaxial cable
2.fiber optics cable
3.microwave circuits
4.all of above
Posted Date:-2021-10-06 17:26:46
Which of the following code is used in present day computing was developed by IBM corporation?
1.ASCII
2.Hollerith Code
3.Baudot code
4.EBCDIC code
Posted Date:-2021-10-06 17:26:46
Which of the following communications lines is best suited to interactive processing applications?
1.narrow band channel
2.simplex lines
3.full duplex lines
4.mixed band channels
Posted Date:-2021-10-06 17:26:46
Which of the following is most oriented to scientific programming?
1.FORTRAN
2.COBOL
3.BASIC
4.PL/1
Posted Date:-2021-10-06 17:26:46
Which of the following is not one of the process that a high level language program msut go through before it is ready to be executed?
1.translation
2.controlling
3.lading
4.linking
Posted Date:-2021-10-06 17:26:46
Which of the following performs modulation and demodulation?
1.fiber optics
2.coaxial cable
3.modem
4.21
Posted Date:-2021-10-06 17:26:46
Which of the following registers is used to keep track of address of the memory location where the next instruction is located?
1.Memory Address Register
2.Memory Data Register
3.Instruction Register
4.Program Register
Posted Date:-2021-10-06 17:26:46
Which of the following statement is correct?
1.terminal section of a synchronous modem contains the scrambler
2.receiver section of a synchronous modem contains the scrambler
3.transmission section of a synchronous modem contains the scrambler
4.control section of a synchronous modem contains the scrambler
Posted Date:-2021-10-06 17:26:46
Which of the following statement is incorrect?
1.Multiplexers are designed to accept data from several I/O devices and transmit a unified stream of data on one communication line
2.HDLC is a standard synchronous communication protocol.
3.RTS/CTS is the way the DTE indicates that it is ready to transmit data and the way the DCW indicates that it is ready to accept data
4.RTS/CTS is the way the terminal indicates ringing
Posted Date:-2021-10-06 17:26:46
While working with Ms-Dos which command transfers a specific file from one disk to another?
1.Copy
2.Diskcopy
3.Time
4.Rename
Posted Date:-2021-10-06 17:26:46
xcopy command can copy
1.individual files or group of files
2.directories including subdirectories
3.to diskette of a different capacity
4.all of above
Posted Date:-2021-10-06 17:26:46