Page 14 - KEC Khaitan C4 Flipbook
P. 14
1. Tick ( ) the correct option.
a. Identify the basic unit for measuring the memory of a computer.
(i) Bit (ii) Byte
(iii) Kilobyte (iv) Megabyte
b. Which type of memory is volatile and loses its data when the computer is turned off?
(i) ROM (ii) RAM
(iii) Hard Disk (iv) CD-ROM
c. Which of the following is not a type of ROM?
(i) PROM (ii) EPROM
(iii) DRAM (iv) EEPROM
d. What is the capacity of a standard CD?
(i) 700 MB (ii) 4.7 GB
(iii) 25 GB (iv) 128 GB
e. Find the optical storage device that uses a blue/violet laser light to read and write data.
(i) CD (ii) DVD
(iii) Blu-ray Disc (iv) Pen Drive
2. Fill in the blanks using the words from the help box.
Primary, 1024 Exabytes, Flash, Nibble
a. 1 Zettabyte is equal to ____________.
b. A combination of four bits makes up a ____________.
c. An SSD uses the technique of ____________ memory to store data.
d. ____________ memory is the main memory of the computer, which holds data and
instructions that the CPU is currently working on.
3. Answer in one or two words.
a. What is the non-volatile memory in a
computer called? _____________________________________
b. Where can a pen drive be connected to
transfer data? _____________________________________
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