What is a High-Level Language (HLL) ? | Advantages and Disadvantages

• The machine language & assembly language requires a good knowledge of internal structure of computer.
• The both languages are machine dependent & it is difficult to solve error.
• To remove this limitation the high level language are introduced.
• The high level languages machine independent so it can be easily ported & executed on any computer.
• The high level language programs do not require any knowledge of internal structure of computer so the programmer concentrate on the logic of problemrather than internal structure of computer.
• It enables the programmer to write instructions using English words & familiar mathematical symbols & expression so the program makes easier to code & understand.
• It requires a translator program to convert high level program into machine language.

Compiler

• Compiler is a special program (translator) which translates high level programs into machine codes.

High-Level Language (HLL) Advantages:-

• Machine independent.
• Easier to learn, use and understand.
• Easier to correct error.
• Easier to maintain.
• Less time & efforts.
• Easily relocatable.
• Program preparation cost is low.
• Few errors.

High-Level Language (HLL) Disadvantages:-

• Less flexible.
• Lower efficiency.
• Require more time & storage space.

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Basic Computer Questions

Q : The main system board of the computer is called ____.
(A) Motherboard
(B) Processor
(C) Microchip
(D) None of these

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Q : Which of the following system components is the brain of a computer?
(A) Circuit board
(B) CPU
(C) Memory
(D) Network card

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Answer ⇒ { B }

 
Q : What is the built-in permanent memory in a computer called?
(A) RAM
(B) ROM
(C) CPU
(D) CD-ROM

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Answer ⇒ { B }

 
Q : Which of the following is the full form of NTFS?
(A) New Tree File system
(B) New Technology file system
(C) New Table file system
(D) Both B and C

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Answer ⇒ { B }

 
Q : Which of the following is not a hardware processing chip ?
(A) Processing chip
(B) printer
(C) mouse
(D) Java

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Answer ⇒ { B }

 
Q : The monitor of a computer is-
(A) storage device
(B) processing device
(C) input device
(D) output device

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Answer ⇒ { D }

 
Q : Which protocol does Ping use?
(A) TCP
(B) ARP
(C) ICMP
(D) BootP
(E) None of these

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Answer ⇒ { C }

 
Q : If you wish to extend the length of the network without having the signal degrade, you would use a ___.
(A) Gateway
(B) Router
(C) Modem
(D) Repeater
(E) Resonator

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Answer ⇒ { D }

 
Q : A series of instructions that tells a computer what to do and how to do it is called a ______.
(A) program
(B) command
(C) user response
(D) processor
(E) None of these

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Answer ⇒ { A }

 
Q : Verification of a login name and password is known as_____.
(A) Configuration
(B) Accessibility
(C) Authentication
(D) logging in
(E) None of these
Answer ⇒ ??