Q.1:- What is the full form of CPU ?
Ans:- Central Processing Unit
Q.2:- Who invented the punched card ?
Ans:- Herman Hallerith
Q.3:- Give the definition of volatile memory ?
Ans:- Its contents are lost on failure of power supply
Q.4:- The coordination of processor operations in the CPU is done by ?
Ans:- Control Unit
Q.5:- A set of instructions is called a ?
Q.6:- The Central Processing Unit ?
Ans:- Controls all input, output and processing
Q.7:- A group prepared by a computer is ?
Q.8:-Data is a collection of ?
Ans:- Facts and entities relevant to user
Q.9:- Storage of 1 MB means the following number of bytes ?
Q.10:- Computers lack in ?
Q.11:- What is tailor made software ?
Ans:- A software which is made according to a user’s requirement
Q.12:- Computer’s main memory ?
Ans:- is computer’s workbench
Q.13:- The purpose of an application program is to ?
Ans:- meet specific user needs
Q.14:- What is the function of assembler ?
Ans:- It converts the program written in assembly language into machine language
Q.15:- Analog computer ?
Ans:- measures rather than counts
Q.16:- What do you mean by term firmware ?
Ans:- Pre-written program permanently stored in read-only memory
Q.17:- Give any three main limitations of the computers ?
Ans:- Lack of decision making power, Zero IQ and Lack in innovations.
Q.18:- In computer science, by information we mean ?
Ans:- processed data put in intelligent form
Q.19:- What do you understand by IPO cycle ?
Ans:- Input Process Output Cycle
Q.20:- The control unit of the computer ?
Ans:- directs the other units of the computer
Q.21:- Calculations are made in computer with the help of its ?
Q.22:- Results are obtained from computer through its ?
Ans:- Output Unit
Q.23:- What does the term “Liveware” in computer terminology refer ?
Ans:- This term is generally used for the people associated with and benefited from the computer system.
Q.24:- Who invented the method of logarithm ?
Ans:- John Napier
Q.25:- Give any three points related to first generation computers ?
Ans:- (a) The first generation computers used vacuum tubes instead of switches and relays (b) used stored programs in the memory of the computer (c) used machine language for giving instruction.