Related Questions

Character readers are those devices which read the characters printed on the source documents and then convert them directly into computer-usable input. Which of the following is not a character reader?
A OCR
B MICR
C OMR
D LCD
E None of the above
Which of the following is not the properties of an ionic compound?
A Soluble in water and insoluble in petrol
B High melting and boiling points
C Low melting and boiling points
D Solid and hard
The time lag, between the keying of the last character on the keyboard input and the appearance of the first output character on the screen, is known as
A Key
B System review
C response time
D batch Processing
E None of the above
If the ASCII character G is sent and the character D is received, what type of error is this?
A single-bit
B multiple-bit
C burst
D recoverable
E None of the above
If the ASCII character H is sent and the character I is received, what type of error is this?
A single-bit
B multiple-bit
C burst
D recoverable
Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals.
A Organic peroxides
B Sulphuric acid
C Hydroflouric acid
D None of these
Mark the compound which possess ionic, covalent and coordinate bonds.
A NH4Cl
B SO3
C SO2
D H2O
The unit of ionic product of water (Kw) is :
A Mol2 let-1
B Mol2 let-2
C Mol-1 let-2
D Mol-1 let-1
Ionic reactions occur in
A Solid state only
B Liquid state only
C Solutions
D Any state
Of the following compounds of calcium, the one having highest covalent character is
A CaF2
B CaCl2
C CaBr2
D Cal3

Next steps