Digital Learning

Tuesday, January 9, 2024

Computer-Science Class-6 Exercise-13(2023-24):

Computer Science
Class-VI
Chapter-13 Computer Memory

A. Tick the correct answer:
1. EEPROM stands for _______________________.
a. Electrically eraser programmable read only memories
b. Electrically erasable programmable read only memory
c. Electrically erasable programmable reads only memory
d. Electrically erasable program read only memory
Answer: Electrically erasable programmable read only memory
2. A computer language that consists of bianry digits is called___________.
a. assembly language                    b. binary language
c. high level language                    d. machine language
Answer: Binary language
3. 1024 terabyte=1_________________________________________(PB).
a. Exabyte                    b. Megabyte            c. Terabyte                d. Petabyte
Answer: Petabyte
4. SASD stands for ____________________________.
a. Sequential access storage devices        b. Syntax access storage devices
c. Semantic access storage devices           d. Sequential access storage data
Answer: Sequential access storage devices
5. Hard disk is a circular platter made up of _______________________.
a. polymer plastic        b. coated plastics        c. mylar plastic        d. magnetic ferric oxide
Answer: Magnetic ferric oxide

B. Fill in the blanks:
1. There are two types of memory or storage__________________ and _____________________.
Answer: Primary, Secondary
2. Random access memory is also called_____________________ memory.
Answer: Read/Write
3. RAM is _______________________ memory and ROM is a _____________________ memory.
Answer: Random Access, Read Only
4. ROM stands for _____________________________________________.
Answer: Read Only Memory
5. An ______________________ is a special type of PROM that can be erased when ultraviolet light falls over it.
Answer: EPROM
6. A computer language that consists of binary digits is called __________________.
Answer: Binary language
7. Secondary memory is also called_______________________________ memory.
Answer: Auxiliary
8. In direct access storage device, data can be stored directly to any ________________.
Answer: Location
9. DVD stands for ___________________________________________.
Answer: Digital Versatile Disk
10. __________________________ are commonly used as a medium for digital representation of movies and other multimedia presentations.
Answer: DVD

Sunday, January 7, 2024

Computer-Science Class-6 Exercise-12(2023-24):

Computer Science
Class-VI
Chapter-12 More About Computers

A. Tick the correct answer:
1. The word computer is adopted from a ____________________ word "COMPUTARE".
a. arabic                    b. english                        c. hindi                    d. latin
Answer: Latin
2. John Von Neumann, Mauchly and his team developed_______________.
a. EEDVAC                b. EDVAAC                      c. ENIC                    d. EDVAC
Answer: EDVAC
3. The machine language consists of two numbers, ____________.
a. 0 and 1                  b. 10 and 1                     c. 0 and 11              d. 0 and 0
Answer:  0 and 1
4. COBOL, LOGO, FORTRAN, BASIC are the _______________ generation languages.
a. fourth                    b. second                         c. third                     d. first
Answer: third
5. The CPU has three main units____________________.
a. CU, ALU and MUI    b. CU, ACU and Memory    c. AC, ALU and Memory    d. CU, ALU and MU
Answer: CU, ALU and MU

Saturday, January 6, 2024

Computer-Science Class-6 Exercise-11(2023-24):

Computer Science
Class-VI
Chapter-11 Computer: Problem and Protection

A. Tick the correct answer:
1. CMJ is a type of which of the following viruses?
a. boot virus                    b. resident virus                       c. macro virus
Answer: Resident Virus
2. Which among the following are encrypted segments of other important programs?
a. time bombs                b. logical bombs                        c. worms
Answer: Logical Bombs
3. Which of the following refers to the crimes that are conducted over the internet?
a. hacking                        b. cyber crime                            c. cracking
Answer: Cyber Crime
4. Which of the following means using logic to guess the pasword?
a. cracking                       b. hacking                                    c. virus programming
Answer: Cracking
5. What is the process called by which a virus is sent to other computers?
a. virus programming    b. hacking                                   c. cracking
Answer: Virus Programming