Hardware Test 04

Total Questions: 30

1 - The digital system usually operated on..... system

A ) Decimal
B ) Binary ✅
C ) Octal
D ) Hexadecimal

5 - A logic gate is an electronic circuit which

A ) Allows electron flow only in one direction
B ) Works on binary algebra
C ) Alternates between 0&1 values
D ) Makes logic decisions ✅

6 - In positive logic,logic gate 1 corresponds to

A ) Positive voltage
B ) Zero voltage level
C ) Higher voltage level ✅
D ) None of these

7 - In negative logic,the logic state 1 corresponds to

A ) Lower voltage level ✅
B ) Negative logic
C ) Zero voltage
D ) None of these

8 - An X-OR gate produce an output only when it's two inputs are

A ) High
B ) Low
C ) Same
D ) Different ✅

9 - An AND gate

A ) Is equivalent to a series switching circuit ✅
B ) Implements logic addition
C ) Is an anybor all gate
D ) None of these

10 - The only function of a NOT gate is to

A ) Stop a signal
B ) Invert an input signal ✅
C ) Complement a signal
D ) Act as a universal set

11 - A NOR gate is on only when all it's inputs are

A ) OFF ✅
B ) ON
C ) Positive
D ) High

12 - Karnaugh map technique provides a systematic method for simplifying

A ) Multiplexer
B ) Logic gates
C ) Boolean expression ✅
D ) None of these

13 - An octal is group of.....1's

A ) 2
B ) 6
C ) 8 ✅
D ) 4

14 - A register is a group of

A ) Flip flops ✅
B ) OR and NOR gate
C ) OR gate
D ) All of these

15 - The first microprocessor was

A ) 8080
B ) 8085
C ) Intel 4004 ✅
D ) 4008

16 - 8085 was introduced in

A ) 1971
B ) 1972
C ) 1976 ✅
D ) 1978

17 - In 1978 Intel introduced the 16 bit microproy8086 now called as

A ) APX80 ✅
B ) M6800
C ) ZYlogsSOOO
D ) Intel 8086

18 - Which is a 8bit microprocessor

A ) Intel 4040.
B ) Motorola MC-6901 ✅
C ) 8088
D ) Pentium -1

20 - The address bus flow in

A ) Unidirectional ✅
B ) Bidirectional
C ) Multidirectional
D ) Circular

21 - Status register is also called as

A ) Accumulators
B ) Flags ✅
C ) Counter
D ) Stack

22 - The first electronic computer was completed in

A ) 1941
B ) 1938
C ) 1946
D ) 1950 ✅

23 - The first generation of computer appeared the period

A ) 1937 to 1949
B ) 1946 to 1974
C ) 1945 to 1954 ✅
D ) 1934 to 1944

24 - The second generation of computer used

A ) Transistors ✅
B ) IC-Chip
C ) Vacuum tubes
D ) Microprocessor chip

25 - The fourth generation began in

A ) 1974
B ) 1965 ✅
C ) 1935
D ) 1975

26 - .....is us d to create large program on internet

A ) C++
B ) HTML
C ) Java script ✅
D ) C language

28 - Laptop PCs are also..... computer

A ) Mainframe
B ) Super
C ) Notebook ✅
D ) Personal

29 - The symbol is used to indicate a point at which decision has to be made

A ) Decision ✅
B ) Connector
C ) Processing
D ) Terminal

30 - Windows 98 is....

A ) Graphics system
B ) Operating system ✅
C ) Drawing system
D ) Processing systems