Computer Hardware (Basic Computer Hardware Awareness /Govt Exams) MCQ's




Question 151 :
..........Are used for converting one type of number system in to other form.

  1. half adder
  2. logic gate
  3. Encoder
  4. FA
  

Question 152 :
The brain of the computer is called the _____.

  1. IBM
  2. ROM
  3. RAM
  4. CPU
  

Question 153 :
In 2nd Complement a number which is subtracted from other number is known as.............

  1. Minuend
  2. Subtrahend
  3. Carry
  4. All of this
  

Question 154 :
The First Generation of computer appeared during the period __ .

  1. 1937 to 1949
  2. 1964 to 1974
  3. 1934 to 1944
  4. 1945 to 1954
  

Question 155 :
The difference between memory and storage is that the memory is ___ and storage is ____

  1. Slow, fast
  2. Temporary, permanent
  3. Permanent, temporary
  4. All of the above
  

Question 156 :
An impact printer creates characters by using...?

  1. An inked ribbon and print head
  2. Electrically charged ink
  3. An ink pen
  4. All of the above
  

Question 157 :
Decimal n/mber system has ..... symljfls.

  1. 15
  2. 16
  3. 10
  4. 2
  

Question 158 :
The Central Processing Unit:

  1. is operated from the control panel.
  2. is controlled by the input data entering the system
  3. controls all input, output and processing.
  4. controls the auxiliary storage unit
  

Question 159 :
Which of the following will happen when data is entered into a memory location?

  1. It will add to the content of the location
  2. It will erase the previous content
  3. It will change the address of the memory location
  4. It will not be fruitful if there is already some data at the location
  

Question 160 :
Indicate which of the following, best describes the term software

  1. Systems programs only
  2. Application programs only
  3. All of the above
  4. Both (1) and (2)
  

Question 161 :
Which of the following regis-ters is used to keep track of address of the memory location where the next instruc-tion is located?

  1. Memory address register
  2. Memory data register
  3. Instruction register
  4. Program counter
  

Question 162 :
The decimal number is converted in to excess 3 codes by adding, to each decimal digit.

  1. 4
  2. 8
  3. 3
  4. 2
  

Question 163 :
The access method used for magnetic tape is_____

  1. Direct
  2. Random
  3. All of the above
  4. Sequential
  

Question 164 :
Registers, which are partially visible to users and used to hold conditional, are known as

  1. PC
  2. General purpose register
  3. Memory address registers
  4. Flags
  

Question 165 :
Octal number system has ..... symbols.

  1. 15
  2. 16
  3. 10
  4. 8
  

Question 166 :
The term gigabyte refers to

  1. 1 024 megabytes
  2. 1 024 kilobytes
  3. 1024 bytes
  4. 1 024 gigabyte
  

Question 167 :
The Decimal Number system has base ___ .

  1. 8
  2. 10
  3. 16
  4. 2
  

Question 168 :
Which chips using special ex-ternal equipment can reprogram

  1. PROM
  2. ROM
  3. SAM
  4. RAM
  

Question 169 :
A octal is group of ?? 1's

  1. 2
  2. 6
  3. 8
  4. 4
  

Question 170 :
Typical data transfer rate in LAN are of the order of

  1. Kilo bits per sec
  2. Bits per sec
  3. Mega bits per sec
  4. All of the above
  

Question 171 :
The process of retaining data for future use is called

  1. reading
  2. storing
  3. writing
  4. coding
  

Question 172 :
Which of the following memories has the shortest access times?

  1. Magnetic bubble memory
  2. Cache memory
  3. Magnetic core memory
  4. RAM
  

Question 173 :
A translator is best described as

  1. A hardware component
  2. A system software
  3. An Application software
  4. All of the above
  

Question 174 :
CD-ROM is a

  1. Semiconductor memory
  2. None of these
  3. Magnetic memory
  4. Memory register
  

Question 175 :
Which of the following holds the ROM, CPU, RAM and expansion cards

  1. Mother board
  2. Cache memory
  3. Hard disk
  4. All of the above
  

Question 176 :
Third generation computers

  1. Were the first to use built-in error detecting device
  2. Used transistors instead of vaccum tubes
  3. Were the first to use neural network
  4. None of these
  

Question 177 :
......... Are used for converting one type of number system in to the other form

  1. logic gate
  2. Decoder
  3. half adder
  4. Full adder
  

Question 178 :
In positive logic, logic gate 1 corresponds to

  1. positive voltage
  2. zero voltage level
  3. higher voltage level
  4. lower voltage level
  

Question 179 :
Modem stands for

  1. A type of secondary memory
  2. Mainframe operating device memory
  3. Modulator demodulator
  4. All of the above
  

Question 180 :
Which of the following memo-ries needs refresh?

  1. DRAM
  2. SRAM
  3. ROM
  4. All of above
  
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