1. . RAM is abbreviation of:
(A) Read as memory
(B) Random altered memory
(C) Random access memory
(D) All are correct
2. . One of the following is volatile memory:
(A) SRAM
(B) DRAM
(C) RAM
(D) All are correct
3. . One of the following is a non-volatile memory:
(A) SRAM
(B) DRAM
(C) RAM
(D) ROM
4. . One of the following is temporary memory:
(A) ROM
(B) DRAM
(C) PROM
(D) EPROM
5. . An electrical circuit that can store one bit data is called:
(A) Register
(B) Memory cell
(C) OP Amp
(D) Counter
6. . A group of 8 – binary bits is called:
(A) 1 byte
(B) 1 nibble
(C) 2 bytes
(D) bytes
7. . A group of 4 – binary bits is called:
(A) 1 byte
(B) 1 nibble
(C) 2 bytes
(D) bytes
8. . Storing data in a memory is called:
(A) Write function
(B) Read function
(C) both a and b
(D) None of these
9. . Read and write ability is available in:
(A) ROM
(B) RAM
(C) PROM
(D) a and b
10. . In DRAM storage cell is:
(A) Diode
(B) Transistor
(C) Flip Flop
(D) Capacitor
11. . A memory which is programmed once by the user is called:
(A) ROM
(B) PROM
(C) RAM
(D) b and c
12. . Storage which stores or retains data after power off is called:
(A) Volatile storage
(B) Non-volatile storage
(C) Sequential storage
(D) Direct storage
13. . Which of the following memories must be refreshed many times per second?
(A) ROM
(B) PROM
(C) SRAM
(D) DRAM
14. . A half byte is known as_____
(A) Nibble
(B) byte
(C) second
(D) k byte
15. . What is the permanent memory built into your computer called?
(A) CPU
(B) ROM
(C) CD ROM
(D) RAM
16. . RAM is _ _ _ _ _ _ and _ _ _ _ _:
(A) Volatile, temporary
(B) Non-volatile, temporary
(C) Volatile, permanent
(D) Non-volatile, permanent
17. . In which type of ROM, data can be erased by ultraviolet light and then reprogrammed by the user or manufacturer?
(A) PROM
(B) EEPROM
(C) EPROM
(D) Both a and b
18. . How many types of RAM are available?
(A) 4
(B) 3
(C) 2
(D) 5
19. . The smallest unit of measuring data in the computer is:
(A) Byte
(B) Kilobyte
(C) Nibble
(D) Bit