A computer generated output that lets programmer follow the execution of their programs line by line is a
1.core dump
2.trace routine
3.detail listing
4.source listing
A protocol is a set of rules governing a time sequence of events that must take place
1.etween peers
2.etween an interface
3.etween modems
4.cross an interface
A time sharing system imply ANSWER : more than one program in memory
1.more than one processor in the system
2.more than one program in memory
3.more than one memory in the system
4.None of above
An example of an analog communication method is
1.laser beam
2.microwave
3.voice grade telephone line
4.all of the above
Copy and Xcopy are same in the sense
1.Both are internal command of DOS
2.Both are external commands of DOS
3.Both can be used to copy file or group of files
4.Both a and b
FAT stands for
1.File Accomodation Table
2.File Access Tape
3.File Allocation Table
4.File Activity Table
If you don�t know the current time which command will you use to display
1.Copy
2.Ver
3.Time
4.Format
Interrupts which are initiated by an I/O drive are
1.internal
2.external
3.software
4.all of above
SYS command is used to
1.Copy DOS system files to new disk
2.Copy DOS configuration files to a new disk
3.Update the DOS system files
4.None of above
The following command set is correct according to their function
1.RD can MD
2.DEL and ERASE
3.CD and RD
4.COPY and RENAME
The most common addressing techiniques employed by a CPU is
1.immediate
2.direct
3.indirect
4.all of the above
The time command is used to display _____ time.
1.US time
2.Greenwich Mean Time
3.Julian Time
4.System Time
When a subroutine is called the address of the instruction following the CALL instructions stored in/on the
1.stack pointer
2.accumulator
3.program counter
4.stack
Which command displays comma for thousand separating on file size while listing?
1.Dir/w
2.Dir/s
3.Dir/b
4.Dir/c
Which command is used to copy files?
1.Copy
2.Diskcopy
3.Type
4.All of the above
Which command is used to delete the directory that is empty?
1.Del *.*
2.RD
3.Erase
4.MD
Which file is the batch file that is read while booting a computer?
1.Autoexec.bat
2.Auto-batch
3.Autoexecutive.bat
4.Auto.bat
Which of the following transmission systems provide the highest data rate to in individual device?ease lines
1.omputer bus
2.elephone lines
3.oice and mode
4.ease lines
While working with MS-DOS which key is used to get the p[revious command used:
1.F3
2.F1
3.F6
4.F9
While working with MS-DOSwhich command is used to copying the files to transfer from one PC to another one?
1.Rename
2.Path
3.Dir
4.Copy
. The x.25 standard specifies a technique for start-stop data
1.technique for start-stop data
2.technique for dial access
3.DTE/DCE interface
4.data bit rate
A band is always equivalent to
1.a byte
2.a bit
3.100 bits
4.none of above
A computer program that converts an entire program into machine language at one time is called a/an
1.interpreter
2.simulator
3.compiler
4.commander
A factor in the selection of a source language is
1.programmer skill
2.language availability
3.program compatibility with other software
4.all of athe above
A microporgram is sequencer perform the operation
1.read
2.write
3.execute
4.read and execute
A stack is
1. an 8-bit register in the microprocessor
2. a 16-bit register in the microprocessor
3. a set of memory locations in R/WM reserved for storing
4. information temporarily during the execution of computer
A stack pointer is
1.a 16-bit register in the microprocessor that indicate the beginning of the stack memory.
2.a register that decodes and executes 16-bit arithmetic expression.
3.The first memory location where a subroutine address is stored.
4. a register in which flag bits are stored
All of the following are disadvantage of RPG except:
1.it is a very machine dependent language
2.it is very limited in scope
3.is not suited for complex problems requiring extensive programming logic
4.it has larger storage requierments
An example of a medium speedswitched communications service is
1. series 1000
2. data phone 50
3. DDD
4. All of the above
Full form of MS-DOS is
1.Micro System Disk Operating System
2.Micro Simple Disk Operating System
3.Micro Soft Disk Operating System
4. Micro Sort Disk Operating System
How many address lines are needed to address each memory locations in a 2048 x 4 memory chip?
1.10
2.11
3.8
4.12
In MS-Dos 6.22which part identifies the product uniquely
1.MS
2.DDS
3. Ms-DOS
4.6.22
In the evaluation of a computer languageall of the following characteristics should be considered except?
1.application oriented features
2.efficiency
3.readability
4.hardware maintainance costs
internal command in Dos are
1.Cls rd label
2.Dir ren sys
3.Time type dir
4.Del disk copy label
Only filenames and extensions are to be displayed in wide formatwhich command you�ll use?
1.Dir/w
2.Dir a:
3.Dir/s
4.Dir/b
The ascending order or a data Hierarchy is
1. bit - bytes - fields - record - file - database
2. bit - bytes - record - field - file - database
3.bytes - bit- field - record - file - database
4. bytes -bit - record - field - file - database
The receive equilizer reduces delay distortions using a
1.apped delay lines
2.earshift
3.escrambler
4.ifference engine
When the RET instruction at the end of subroutine is executed
1.the information where the stack is iniatialized is transferred to the stack pointer
2.the memory address of the RET instruction is transferred to the program counter
3.two data bytes stored in the top two locations of the stack are transferred to the program counter
4.two data bytes stored in the top two locations of the stack are transferred to the stack pointer
Which command is used to clear the screen
1. Cls
2.Clear
3.Clscreen
4.All of above
Which command is used to get the current date only?
1.Date
2.Time
3.Second
4.All of the above
Which command will be used to display a file within the specified directory of pathname?
1.Dir pathname
2.Dir pathnamepathname
3.Dir/ch
4.Dir pathnamefilename
Which data communication method is used to transmit the data over a serial communication link?
1.simplex
2.half-duplex
3.full-duplex
4.b and c
Which keys can be pressed quit without saving in DOS
1.Ctrl + A
2.Ctrl + B
3.Ctrl + C
4.Ctrl + D
Which of the following communication modes support two-way traffic but in only one direction at a time?
1.simplex
2.half duplex
3. three-quarters duplex
4. all of the above
Which of the following generations of language will likely include the languages of the featuer?
1.first generation
2.second dgeneration or third generation
3.fourth generation
4.fifth generation
Which of the following is an example of problem oriented language?
1.BASIC
2.PL/1
3.FORTRAN
4.All of above
Which of the following is not true of FORTRAN?
1.it was developed for scientific and mathematical applications
2.it is one of the oldest high-level languages
3.it is a problem oriented language
4.it requires extensive internal documentation
Which of the following is required to communicate between two computers?
1.communications software
2.protocol
3.communication hardware
4.all of above including access to transmission medium
Which statement is correct?
1.Directories can be kept inside a file
2.Files can not be kept inside a directory
3.1 millisec = 10 ^ 3 sec
4.None of above
While transmitting odd-parity coded symbolsthe number of zeros in each symbol is
1.odd
2.even
3.a and b both
4.unknown