DLD Unit 1 _ 1

If the decimal number is a fraction then its binary equivalent is obtained by ________ the number continuously by 2.

• Dividing

• Multiplying

• Adding

• Subtracting

The representation of octal number (532.2)8 in decimal is ________

• (346.25)10

• (532.864)10

• (340.67)10

• (531.668)10

The decimal equivalent of the binary number (1011.011)2 is ________

• (11.375)10

• (10.123)10

• (11.175)10

• (9.23)10

An important drawback of binary system is ________

• It requires very large string of 1’s and 0’s to represent a decimal number

• It requires sparingly small string of 1’s and 0’s to represent a decimal number

• It requires large string of 1’s and small string of 0’s to represent a decimal number

• It requires small string of 1’s and large string of 0’s to represent a decimal number

The decimal equivalent of the octal number (645)8 is ______

• (450)10

• (451)10

• (421)10

• (501)10

The largest two digit hexadecimal number is ________

• (FE)16

• (FD)16

• (FF)16

• (EF)16

The octal equivalent of the decimal number (417)10 is _____

• (641)8

• (619)8

• (640)8

• (598)8

Convert the hexadecimal number (1E2)16 to decimal.

• 480

• 483

• 482

• 484

Convert (0.345)10 into an octal number.

• (0.16050)8

• (0.26050)8

• (0.19450)8

• (0.24040)8

Convert binary to octal: (110110001010)2 =?

• (5512)8

• (6612)8

• (4532)8

• (6745)8