1. Fill in the blanks:
a) The hard disk is located inside the ______
b)A set of 8bits is called a ______
c)______ is also known as a USB Flask drive.
d)DVD stands for______
2) Name the followings:
a) Two input devices.
b) Two output devices.
c) Two arithmetic operations possible with LOGO
d) Two machines designed by Charles Babbage.
e)Write the arithmetic symbols of LOGO.
3) Tick the correct statements(✔️) and cross(✖️) the others.
a) The short form of print is RP.
b) The print command cannot display a number.
c)ROM is a secondary memory.
d)GB stands for Gigabyte.
e)Computers are very accurate.
f)Napier's Bones was the first calculating device.
4) Answer the following questions:
a) Where was the 'Abacus' invented ?
b)Who is known as the father of modern computer ?
c)Who is known as the first computer programmer ?
d)Which command is used to add two numbers ?
e)Which command helps to
count the words in a list ?
Answers
Answer:
Q3. a
Mesopotamian. The period 2700–2300 BC saw the first appearance of the Sumerian abacus, a table of successive columns which delimited the successive orders of magnitude of their sexagesimal number system.
b) Charles Babbage Charles Babbage
C) British countess and mathematician Ada Lovelace is often considered to be the first computer programmer, as she was the first to publish part of a program (specifically an algorithm) intended for implementation on Charles Babbage's analytical engine, in October 1842.
d) To read the input numbers we are using scanf() function and then we are using printf() function to display the sum of these numbers. The %d used in scanf() and printf() functions is the format specifier which is used for int data types in C programming.
e)
