Page 53 - CA 165 ver 1.0 Class 9
P. 53
Unsolved Exercise
PART A
A. Very short answer type questions.
1. What is raw facts and figures known as?
2. What is plate of a hard disc called?
3. Name an important core part of an OS.
4. What is group of 4 bits called?
5. What is the measurement unit for quality of image?
6. What is the measurement unit for speed of computer?
B. Case Based MCQs
Network refers to an inter-connected group of people, object, companies, computers, etc. For example,
interconnected telephones create telephone network. A computer network is a link between two or more
computers that are connected for the purpose of sharing of information and resources among themselves.
Protocol refers to a set of common notions, norms or rules that coordinate or govern the functioning between
two or more sets of computers or networks. The term ‘INTERNET’ is derived from ‘Interconnection’ and ‘Network’.
Internet is the wide area network that links together millions of computers so that a wide range of users can
share and exchange information amongst themselves.
1. Which among the following protocol is used for transferring a web page from a web server to a web
browser?
i. HTTP ii. SMTP
iii. FTP iv. TCP
2. Which of the following is not used for wired transmission?
i. Coaxial Cables ii. Optical Fibre
iii. Twisted Pair Cable iv. Infrared
3. What is the set of rules called that is used for transmission of data over a network?
i. LAN ii. WAN
iii. Protocol iv. Transmission Media
C. Fill in the blanks.
1. Mouse was invented by .................................... .
2. MICR code consists of .................................... digits.
3. Diameter of a CD is .................................... .
4. ...................................., .................................... and .................................... are the functional elements of CPU.
5. .................................... stripes are found on the back side of the debit/credit card.
PART B
A. Short answer type questions.
1. Write short notes on:
i. Mobile Application ii. Kernel
iii. File System iv. Device Driver
v. Biometric Devices vi. Barcode
vii. Chat Sites viii. Social Network
Basics of Information Technology 51

