Computer Memory and Storage Devices Grade 11

• It has less access time.

• It stores data temporarily.

• It is used for a computer’s cache memory.

The type of memory that has the given features is:

• dynamic random access memory.

• static random access memory.

• read only memory.

• flash memory.

If one alphabet of English language occupies eight bits in memory, then the number of bytes that will be occupied by the word COMPUTER is

• 8 bytes

• 16 bytes

• 32 bytes

• 64 bytes

When compared to static RAM, dynamic RAM is more

• expensive.

• fast.

• power consuming.

• volatile.

1 Giga Byte (GB) of memory is equal to

• 1024 MB

• 1024 KB

• 1000 MB

• 1000 KB

Which of the following is a valid statement about a DVD?

• It is a magnetic storage.

• It is an optical storage.

• It is a sequential storage.

• It is a temporary storage.

Which of the following is a permanent storage?

• Buffer

• Cache

• Register

• ROM

In comparison to RAM, ROM is

• more expensive and volatile.

• less expensive and volatile.

• less expensive and non-

  volatile.

• more expensive and non-

  volatile.

A high speed memory that resides between the CPU and RAM in a computer system

to store data and instructions is called

• ROM

• Buffer

• Cache

• Secondary

Which of the following is NOT considered as temporary storage?

• RAM

• Cache

• PROM

• Registers

If one KiB represents 1024 bytes , then a Tebibyte has how many bytes? (2¹⁰=1024)

• 2²⁰ bytes

• 2³⁰ bytes

• 2⁴⁰ bytes

• 2⁵⁰ bytes