Which of the following device can be used in place of a mouse
Explanation: Trackball is a similar device which can be used inplace of a mouse.
Scanner
Printer
Trackball (correct)
OCR
A higher resolution monitor can deliver
Explanation: The more the number of pixel the higher the resolution, and thus it would enhance the picture quality by sharpness
Sharper image (correct)
High contrast image
Low contrast image
None of these
System files are set of files created by
Explanation: System files are those which is created by the operating system, and first created while installing the operating system ,and encouraged not to modify by the users.
Operating system
User of the OS (correct)
Administrator
None of these
Which of the following key would you use if you wish to take a screen capture of current desktop
Explanation: PrntScr is a key avialable on the keyboard which can take snapshot of the current visible desktop screen.
PrntScr (correct)
Delete
Pg Up
Pg Dn
Printers are considered as Hard copy devices
Explanation: Printers are used to print the documents
TRUE (correct)
FALSE
Select the smallest memory size
Explanation: Terabyte > Gigabyte > Megabyte > Kilobyte
Terabyte
Gigabyte
Kilobyte (correct)
Megabyte
Which of the following Alphabates cannot be used as one of the Hexadecimal digits
Explanation: Hexadecimal number system allows A,B,C,D,E,F
A
B
F
G (correct)
An interface where facility is provided for entering commands is
Explanation: Command driven interface lets the user to enter the command through keyboard. DOS is an example of command driven interface
Menu Driven
Command-Driven (correct)
Graphic-Driven
None of these
Which of the following is extension of a batch file
Explanation: A .bat is the extension of a batch file, which windows can execute
.bat (correct)
.bch
.sh
None of these
Which of the following is not malicious in nature
Explanation: Device drivers are system software which interacts with the hardwares
Worm
Virus
Trogan horse
Device driver (correct)
A freeware is
Explanation: Freeware is free to use but the author holds the right
Free to use (correct)
Costs money
proprietary software
None of these
Which of the following database languages is used to create a table
Explanation: Creating a table,an index or view needs DDL or Data definition language in database systems
DML
DCL
DDL (correct)
QCL
A digit in an octal number can never be greater than 7
Explanation: The octal number system consists of 8 digits starting from 0 to 7
True (correct)
False
The refresh rate of a monitor is measured in
Explanation: The refresh rate is frequency, i.e number of draw per seconds , is why hertz
Hertz (correct)
Kilo bytes
Mega bytes
RPM
The input technique that is widely used by the banking industry for processing cheques is
Explanation: Cheques can be scanned using MICR
Optical Character Recognition
Magnetic-Ink Character Recognition (correct)
Joysticks
Bar Code Reader
Which of the followings are types of display technology
Explanation:
LCD (correct)
LED (correct)
CRT (correct)
Florish
A CD-RW disk-
Explanation: As the name suggest it can be ReWritable
Has a faster access than an internal disk
Holds less data than a floppy disk
Can be erased and rewritten (correct)
Is a form of optical disk, so it can only be written once
The Secondary storage device that follows the sequential mode of access is
Explanation: A magnetic tape can be operated only in sequential manner
Optical Disk
Magnetic Disk
Magnetic Tape (correct)
None of these
A Recycle bin is in a location in computer which holds
Explanation: A recycle bin holds the files which are deleted, from which we can restore back, but deleting from the recycle bin deletes the file permanently
All the junk files
All the deleted files (correct)
All useful files
All documents
Find the odd one out
Explanation: Light pen is used directly on the display unit, where as others needs a base on which it is operated
Mouse
Trackball
Joystick
lightpen (correct)
Explanation: Trackball is a similar device which can be used inplace of a mouse.
Scanner
Printer
Trackball (correct)
OCR
A higher resolution monitor can deliver
Explanation: The more the number of pixel the higher the resolution, and thus it would enhance the picture quality by sharpness
Sharper image (correct)
High contrast image
Low contrast image
None of these
System files are set of files created by
Explanation: System files are those which is created by the operating system, and first created while installing the operating system ,and encouraged not to modify by the users.
Operating system
User of the OS (correct)
Administrator
None of these
Which of the following key would you use if you wish to take a screen capture of current desktop
Explanation: PrntScr is a key avialable on the keyboard which can take snapshot of the current visible desktop screen.
PrntScr (correct)
Delete
Pg Up
Pg Dn
Printers are considered as Hard copy devices
Explanation: Printers are used to print the documents
TRUE (correct)
FALSE
Select the smallest memory size
Explanation: Terabyte > Gigabyte > Megabyte > Kilobyte
Terabyte
Gigabyte
Kilobyte (correct)
Megabyte
Which of the following Alphabates cannot be used as one of the Hexadecimal digits
Explanation: Hexadecimal number system allows A,B,C,D,E,F
A
B
F
G (correct)
An interface where facility is provided for entering commands is
Explanation: Command driven interface lets the user to enter the command through keyboard. DOS is an example of command driven interface
Menu Driven
Command-Driven (correct)
Graphic-Driven
None of these
Which of the following is extension of a batch file
Explanation: A .bat is the extension of a batch file, which windows can execute
.bat (correct)
.bch
.sh
None of these
Which of the following is not malicious in nature
Explanation: Device drivers are system software which interacts with the hardwares
Worm
Virus
Trogan horse
Device driver (correct)
A freeware is
Explanation: Freeware is free to use but the author holds the right
Free to use (correct)
Costs money
proprietary software
None of these
Which of the following database languages is used to create a table
Explanation: Creating a table,an index or view needs DDL or Data definition language in database systems
DML
DCL
DDL (correct)
QCL
A digit in an octal number can never be greater than 7
Explanation: The octal number system consists of 8 digits starting from 0 to 7
True (correct)
False
The refresh rate of a monitor is measured in
Explanation: The refresh rate is frequency, i.e number of draw per seconds , is why hertz
Hertz (correct)
Kilo bytes
Mega bytes
RPM
The input technique that is widely used by the banking industry for processing cheques is
Explanation: Cheques can be scanned using MICR
Optical Character Recognition
Magnetic-Ink Character Recognition (correct)
Joysticks
Bar Code Reader
Which of the followings are types of display technology
Explanation:
LCD (correct)
LED (correct)
CRT (correct)
Florish
A CD-RW disk-
Explanation: As the name suggest it can be ReWritable
Has a faster access than an internal disk
Holds less data than a floppy disk
Can be erased and rewritten (correct)
Is a form of optical disk, so it can only be written once
The Secondary storage device that follows the sequential mode of access is
Explanation: A magnetic tape can be operated only in sequential manner
Optical Disk
Magnetic Disk
Magnetic Tape (correct)
None of these
A Recycle bin is in a location in computer which holds
Explanation: A recycle bin holds the files which are deleted, from which we can restore back, but deleting from the recycle bin deletes the file permanently
All the junk files
All the deleted files (correct)
All useful files
All documents
Find the odd one out
Explanation: Light pen is used directly on the display unit, where as others needs a base on which it is operated
Mouse
Trackball
Joystick
lightpen (correct)
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