Q.1:- The first generation computers used ?
Ans:- Vacuum Tubes
Q.2:- Which is a laptop PC ?
Ans:- A portable and sleek computer
Q.3:- Give the name of an input unit ?
Ans:- Mouse
Q.4:- Which machine is the oldest machine ever used for calculations ?
Ans:- ABACUS
Q.5:- Who invented an Analytical Engine which became a real ancestor of the modern day computer ?
Ans:- Charles Babbage
Q.6:- Who has earned the title “Father of Modern Computers” ?
Ans:- Charles Babbage
Q.7:- Which computer has used the binary arithmetic in its construction ?
Ans:- EDVAC
Q.8:- The second generation computers replaced vacuum tubes with ?
Ans:- Transistors
Q.9:- The third generation computers replaced transistors with ?
Ans:- Integrated Circuits
Q.10:- The fourth generation computers came with the advent of the ?
Ans:- Microprocessor Chip
Q.11:- What is the main feature of the third generation computers ?
Ans:- Integrated Circuits, Magnetic Disc Technology & CPUs capacity of carrying out 1 million instructions per second.
Q.12:- The second generation computers began with the advent of ?
Ans:- Transistorized circuitry, magnetic core and magnetic disk storage device.
Q.13:- Give some limitations of first generation computers ?
Ans:- High power consumption, slow operating speed and restricted computing capacity are the few limitations of first generation computers.
Q.14:- The minicomputer, ICL-2903 manufactured by International Computers Limited was developed during ?
Ans:- Third generation computers
Q.15:- The most popular CPU Pentium has come in ?
Ans:- Fourth generation computers
Q.16:- What is the measuring unit of memory ?
Ans:- Byte
Q.17:- How many bits are there in one byte?
Ans:- One kilobyte is equal to ?
Ans:- 1024 bytes
Q.18:- What is the subunit of the CPU ?
Ans:- Arithmetic Logic Unit
Q.19:- Digital computers deal with ?
Ans:- Discrete Quantities
Q.20:- What is the role of compiler in computers ?
Ans:- It converts the source code ( program in HLL ) into machine language.
Q.21:- Name the super computer developed in the USA ?
Ans:- CRAY XMP – 14
Q.22:- Hybrid computer is a computer which deals with ?
Ans:- Both discrete quantities and physical quantities
Q.23:- What is nibble ?
Ans:- A group of 4 bits
Q.24:- What is the meaning of a ‘program’ ?
Ans:- A set of instructions given to computer
Q.25:- Microcomputer is a computer ?
Ans:- That contains a microprocessor
