Grade 8th Unit 2 Review Questions with Answers

Review Questions Part I:

Read the following  statements and say “True” if the statement is correct and “False” if it is incorrect.

1. The speed of CPU is measured in only Megahertz.  False

2. CPU stands for Control Processing Unit. False

3. Central Processing Unit acts as the brain of the computer. True

4. Control unit performs Logic Operation. True

5. Register is temporary storage location for data prior to execution in  Arithmetic Logic Unit. True

6. Random Access Memory (RAM) contains essential information  that is required when the computer is turned on. False

7. DVD stands for Digital Video Disc. False

8. Magnetic disk is the primary storage device. False

9. Random Access  Memory is the secondary storage device. False

10.  DVD store large amounts of data than CD. True

Part II: Choose the correct answer for each of the following questions

1. _ allows you to enter data into a computer in the form of text.

A. Mouse
B. Keyboard
C. Peripheral devices
D. Monitor 
Ans: B

2. ____ is an output device.

A. Mouse
B. Monitor
C. Joystick
D. None
Ans: B

3. ___ keys are present on the top row of   the keyboard.

A. Function
B. Typewriter
C. Numeric
D. Navigation
Ans: A

4.  A light sensitive device that converts drawing, printed text or other images into digital form is__. 

A. Keyboard                               
B. Scanner
C. Plotter
D. OMR
Ans: B

5. Which of the following groups consists of only input devices?
A. Mouse, Keyboard, Monitor
B. Mouse, Keyboard, Printer
C. Mouse, Keyboard, Plotter
D. Mouse, Keyboard, Scanner
Ans: D

6. Which of the following is not an example of hardware?
A. Scanner
B. Printer
C. Monitor
D. Word Processing
Ans: D 

7. The device that allow you to enter information into the computer. 
A. Input
B. Output
C. Type
D. Print
Ans: A

8. Which of the following is not an output device?
A. Plotter
B. Printer
C. Scanner
D. Monitor
Ans: C  

9. The most common method of entering text and numerical data   into a computer system is through the use of a ____.
A. Plotter
B. Scanner
C. Printer
D. Keyboard
Ans: D
10. Which one of the following optical recognition systems senses the presence or absence of a mark, such as pencil marks?

A. Optical Character Recognition
B. Optical Mark recognition
C. Barcode Reader
D. None
Ans: B

11. The device that is primarily used to provide hardcopy is ____.
A. CRT
B. Computer Console
C. Printer
D. Card  Reader
Ans: C

12. __ converts information from machine-understandable form to a human understandable form.  
A. Input     
B. Output      
C. CPU       
D. Storage
Ans: B


13. Which of the following is not a type of monitor.
A. Cathode Ray Tube
B. Liquid Crystal Display
C. Plasma Display
D. None
Ans: D
14. __ is most commonly used in digital watches, clocks and calculators.
A. Cathode Ray Tube
B. Liquid Crystal Display
C. Plasma Display
D. None 
Ana: B

15. ___is a device that enables us to produce a hard copy of data/information.
A. Printer
B. Dot-matrix Printer
C. Daisy-wheel Printer
D. None
Ans: A

⭕️ What are the three tasks that the control unit performs?

► To store program instructions.
► To perform logic functions. 
► To decode program instructions.

So,

4. Control unit performs Logic Operation.

The answer is True

Grade 7th CTE Short Ppt (Updated)

▲ From Unit 1 through Unit 8 (Full)

● Prepared by: Reshad Muzemil

Grade 8th CTE Short Ppt (Updated)

▲ From Unit 1 through Unit 7 (Full)

● Prepared by: Reshad Muzemil

👆ይሀው አንደሉሶች የጠየቃችሁኝ መፅሐፍ (Grade 8th Students)

አሰላሙ አለይኩም ወረህመቱሏሂ ወበረካቱ

ወድ የ Technology Master Page አባሎቻችን እንደምን ናችሁ⁉️ ቻናሉ እየጠቀማችሁ ነውን? (ትምህርት እየቀሰማችሁበት ነውን!?)

● ቻናሉ ላይ እንዲለቀቅላችሁ የምትፈልጉት ነገር ካለ፣
● ቴክኖሎጂ ነክ ነገሮችን ማብራሪያ አዘል ትምህርቶችን በቪድዮ እንዲሰራላችሁ የምትፈልጉት ነገር ካለ

● እንዲለቀቅላችሁ የምትፈልጉት Application Software (both Android and Computer) ካለ፣

እና ሌሎችንም ነገሮች በ Comment ልትፅፉልኝ (ልትጠይቁኝ) ትችላላችሁ። የቻልኩትን ያህል በአላህ እገዛ አግዛችኋለሁ‼️

t.me/TechnologyMasterPage

t.me/TechnologyMasterPages