NAME:
CLASS: PRIMARY 3
SUBJECT: Computer Studies
OBJECTIVES
Instruction: Answer all the questions
- ____________ is a major part of computer . (a) monitor (b) projector (c) divider
- Abacus is made with all the following except _________ (a) beads (b) leaf (c) wire
- C P U is found in the __________ (a) mouse (b) keyboard (c) system unit
- We can use calculator in all the places except _________ (a) school (b) toilet (c) bank
- We connect our speaker, printer and keyboard to the _______(a) system unit (b) monitor (c) mouse
- __________ means central processing unit (a) C P U (b) U Ps (c) CPS
- __________ is an example of early counting device. (a) finger (b) calculator (c) computer
- Counting devices are used for carrying out simple __(a) addition (b) subtraction (c) all of the above
- _____________ is an object designed to do a particular job. (a) device (b) store (c) car
- _________ is one of the earliest development mechanical calculating devices. (a) GSM (b) laptop (c) Abacus
- ____________ invented Abacus (a) Napier John (b) Abacus (c) Blaise Pascal
- ____________ created Napier’s bones (a) Samuel bones (b) John Napier (c) Napier Bone
- Pascaline machine was invented for ______________ (a) me (b) his father (c) my uncle
- Analytical engine was designed by _________(a) Femi Kuti (b) Miss Mayowa (c) Charles Babbage
- ____________ is known as the father of computer.
(a) Charles Babbage (b) Abacus (c) Blaise Pascal
- ____________ is an example of an input device. (a) monitor (b) keyboard (c) printer
- ____________ is used to talk to the computer. (a) mouse (b) monitor (c) keyboard
- ____________ is an example of a general output device (a) table (b) speaker (c) keyboard
- ____________ is an example of an output device. (a) monitor (b) mouse (c) CPU
- ____________ helps us to print result. (a) keyboard (b) printer (c) monitor
- ____________ display result on the screen (a) mouse (b) monitor (c) fax machine
- ____________ is not part of the system unit (a) control unit (b) memory unit (c) telephone unit
- Charles Babbage invented his first machine in what year? (a) 1832 (b) 1890 (c) 1822
- _________ is a way of knowing the correct number of things (a) dancing (b) singing (c) counting
- Computer monitor is the same as VDU (a) true (b) false (c) both
- Abacus is made with frame with wires (a) I don’t know (b) true (c) false
- _____________ is used to perform the basic operation of Arithemetic
(a) phone (b) mechanical calculating (c) wall
- _________ are used for performing computer based on logarithmic scales. (a) Abacus (b) Pascaline (c) slide rule
- Abacus was invented in ___________(a) Nigeria (b) China (c) Korea
- One of these is not an early mechanical device (a) slide rule (b) Abacus (c) computer
THEORY
- What is the full meaning of these
- List 4 early counting devices
- ______________________________________________
- ______________________________________________
- ______________________________________________
- ______________________________________________
- Mention 3 mechanical calculating devices
- ______________________________________________
- ______________________________________________
- ______________________________________________
- ______________________________________________
- ______________________________________________
- Write a short history about Blaise Pascal machine
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5. Draw an Abacus.
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