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Q.1: The least powerful computer is_________
a) Microcomputer
b) Mainframe computer
c) Minicomputer
d) Mac
Ans: a) Microcomputer
Q.2: The main purpose of the supercomputer is________
a) Do random calculations
b) High speed calculations
c) Data retrieval operations
d) Weather forecasting
Ans: b) High speed calculations
Q.3: What are the two most important parts of the computer?
a) Monitor and printer
b) Screen and Keyboard
c) Hardware and software
d) Mouse and lan
Ans: c) Hardware and software
Q.4: Computer performs which of the following basic operations?
a) Storage and relative
b) Arithmetic operations
c) Logical operations
d) All
Ans: d) All
Q.5: The earliest calculating device is_________?
a) Calculator
b) Pager
c) Abacus
d) Dolphin
Ans: c) Abacus
Q.6: The analytical engine developed during First Generation of computers used_______as a memory unit?
a) Pen drives
b) SSD
c) Random Access Memory
d) Punch Cards
Ans: d) Punch Cards
(Imp Fact)
Punched cards were first introduced by Herman Hollerith
Q.7: Who made the first Mechanical Calculator?
a) Blaise Pascal
b) Tim Berner Lee
c) John Mauchly
d) Alfred Benzamin
Ans: a) Blaise Pascal
Q.8: Supercomputers were designed by________?
a) Hewlett-Packard
b) IBM
c) Apple
d) Seymour Cray
Ans: d) Seymour Cray
Q.9: Floppy Disk Drives were first introduced by_________?
a) Dell
b) HP
c) IBM
d) Compaq
Ans: c) IBM
Q.10: ENIAC was the computer of which generation?
a) First generation
b) Second generation
c) Fourth generation
d) None of the above
Ans: b) Second generation
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Q.11: Which number system is followed by 32-bit computer?
a) Decimal
b) Tertiary
c) Binary
d) Quadruple
Ans: c) Binary
Q.12: When a key is pressed on the keyboard, which standard is used for converting the keystroke into the corresponding bits?
a) ASCII
b) ISO
c) C-DAC
d) ANSI
Ans: a) ASCII
(Imp Fact)
ASCII code is a 7 bit code for letters, numbers and other symbols.
Q.13: ________digits are 0 to 9 and A to F?
a) Binary
b) Octal
c) Hexadecimal
d) Binomial
Ans: c) Hexadecimal
Q.14: Each digit in Binary Coded Decimal (BCD) is known as_________
a) Nibble
b) Bit
c) Byte
d) Tracking
Ans: a) Nibble
Q.15: Nibble is a term used for_______?
a) Half byte
b) Quarter byte
c) Byte
d) Bug
Ans: a) Half byte
Q.16: Motherboard used in computer is_______?
a) The main circuit board also called system board on which bus structure are assembled
b) Joystick
c) Dynamic Pointing system
d) Interactive networking interface
Ans: a) The main circuit board also called system board on which bus structure are assembled
Q.17: The oldest form of computer language is known as_______?
a) Oracle
b) Jawa
c) Machine language
d) HTML
Ans: c) Machine language
Q.18 What the units used to count the speed of a printer?
a) PPM
b) DPI
c) BIT
d) CPM
Ans: PPM
Q.19: What is a Cursor?
a) Pointing device
b) Storage device
c) Transmitting device
d) None of the above
Ans: a) Pointing device
Q.20: Touch pad is a______device?
a) Stationary pointing
b) Random pointing
c) Sensitive pointing
d) Dynamic pointing
Ans: Stationary pointing
Q.21: Name the pen used to draw directly on the digital tablet?
a) Touch pen
b) Puck/stylus
c) Laser pen
d) Remote pen
Ans: b) Puck/stylus