Page 20 - TP_iPlus_V2.1_Class7
P. 20
To Sum Up
Computer system is made up of two types of components: hardware and software.
All the physical components of a computer system are called hardware.
A computer accepts data and instructions from you through input devices.
The CPU is the brain of the computer.
Output is the information obtained after processing of data which the user receives
through output devices.
Storage devices are used to store data for future use.
The 3D camera is a real-sense device which is able to recognise faces and use that
capability to log in to devices like smartphones or laptops.
Exercise
Section A (Objective)
A. Tick (3) the correct option.
1. What is a set of instructions called that makes the computer perform a specific task.
a. Hardware b. Software
c. Memory d. CPU
2. Which output device helps in printing flex, graphs, tables, charts, etc.
a. Laser printer b. Plotter
c. Ink jet printer d. Dot matrix printer
3. Which of the following is not an internal hardware component?
a. SMPS b. Ports
c. Mother board d. Printer
4. Which port is found in computer projectors?
a. Parallel b. Serial
c. USB d. VGA
5. Which keyboard is operated by typing on a touch-sensitive surface rather than pressing
physical keys?
a. Virtual b. Wireless
c. Wired d. Real
18
iPlus (Ver. 2.1)-VII

