DLC- Introduction to number system

The smaller unit of binary data

• Nibble

• Bit

• Byte

• Word

A 64 bit word consists of

• 4 bits

• 4 bytes

• 8 bytes

• 8 bits

Nibble is a collection of

• 8 bits

• 16 bits

• 2 bits

• 4 bits

How many possible values for digital signals

• 4

• 2

• 8

• 1

Which number system has a base of 16

• Decimal

• Octal

• Hexadecimal

• Binary

Binary representation of decimal number (18)10 is

• (10000)₂

• (10010)₂

• (10001)₂

• (10100)₂

D-ROM is known as

• Floppy Disk

• Compact Disk Read Only Memory

• Compressed Disk Read Only Memory

• Compact Disk Random Access Memory

Which of the following statement is not correct?

• Noise is an analog signal

• Variation of resistance in Light Dependent Resistor is an analog signal

• Human voice is a digital signal

• Room temperature measured during a particular period is an analog signal

Which of the following best describes random-access memory (RAM)?

• A type of memory in which access time depends on memory location

• They lose memory when power is removed

• A type of memory in which access time is the same for any memory location

• Both b & c

CPU stands for

• Common purpose unit

• Central processing unit

• Central point unit

• Common processing unit