Basics Of Hardware & Software(Computer ) Questions and Answers

Question 1. Laptop PCs are also known as ___Computers
  1.    Mainframe
  2.    Super
  3.    Notebook
  4.    personal
  5.    None of these
Explanation:-
Answer: Option C. -> Notebook
Answer: (c)

Question 2. Which of the following is used as a primary storage device
  1.    Magnetic tape
  2.    PROM
  3.    Floppy disk
  4.    None of these
  5.    All of the above
Explanation:-
Answer: Option B. -> PROM
Answer: (b)

Question 3. The errors that can be pointed out by the compiler are
  1.    All of the above
  2.    Semantic errors
  3.    Logical errors
  4.    Syntax errors
  5.    None of these
Explanation:-
Answer: Option D. -> Syntax errors
Answer: (d)

Question 4. If a new device is attached to a computer, such as a printer or scanner, its __________ must be installed before the device can be used.
  1.    buffer
  2.    driver
  3.    pager
  4.    server
  5.    None of these
Explanation:-
Answer: Option B. -> driver
Answer: (b)

Question 5. The Octal Number system has base ______
  1.    2
  2.    10
  3.    10
  4.    8
  5.    None of these
Explanation:-
Answer: Option D. -> 8
Answer: (d)
The octal numeral system, or oct for short, is the base-8 number system and uses the digits 0 to 7

Question 6. Which of the following peripheral devices displays information to a user?
  1.    Monitor
  2.    Keyboard
  3.    Secondary storage devices
  4.    Secondary storage media
  5.    None of these
Explanation:-
Answer: Option A. -> Monitor
Answer: (a)
Peripheral devices are the external hardware components which are connected to a modern computer.
There are many types of peripheral devices which are connected to a normal modern computer.
And among those components, the monitor is one of the most important components which is mainly used to get the visual output from the computer

Question 7. In 2nd Complement a number which is subtracted from other number is known as.............
  1.    Minuend
  2.    Subtrahend
  3.    Carry
  4.    All of this
  5.    None of these
Explanation:-
Answer: Option B. -> Subtrahend
Answer: (b)

Question 8. A method of implementing a memory management system is
  1.    All of the above
  2.    Bridgeware
  3.    Broadband coaxial system
  4.    Buddy system
  5.    None of these
Explanation:-
Answer: Option D. -> Buddy system
Answer: (d)
A Buddy system to be precise is a memory management algorithm scheme, which uses variable-sized partitions.
Besides, it is easy to allocate blocks of the correct size.

Question 9. The computer follows a simple principle called GIGO which means:
  1.    garbage in garbage out
  2.    garbage input good output
  3.    great instructions great output
  4.    good input good output.
  5.    None of these
Explanation:-
Answer: Option A. -> garbage in garbage out
Answer: (a)
GIGO means garbage in garbage out which means if you provide garbage as input the result, the output will be garbage only.

Question 10. What type of computer chips are said to be volatile?
  1.    ROM chips
  2.    RAM chips
  3.    DRAM
  4.    All of the above
  5.    None of these –
Explanation:-
Answer: Option B. -> RAM chips
Answer: (b)
RAM (Random Access Memory) is the hardware in a computing device where the operating system (OS), application programs and data in current use are kept so they can be quickly reached by the device's processor. RAM is the main memory in a computer.