In a fixed-head disk, there is:
Anonymous Quiz
25%
One head per surface
50%
One head per track
19%
One head per platter
6%
No read/write head
Double-sided disks:
Anonymous Quiz
11%
Store data on one side only
83%
Store data on both sides of the platter
6%
Reduce storage capacity
0%
Are slower
Winchester technology is characterized by:
Anonymous Quiz
11%
Contact heads
17%
Open disk assemblies
67%
Sealed drive assemblies
6%
Optical storage
SSDs have the advantage of:
Anonymous Quiz
11%
Higher latency
39%
Moving mechanical parts
44%
Lower access time
6%
Higher noise
👎1
Optical memory uses:
Anonymous Quiz
28%
Magnetic coating
28%
Electrical charges
33%
Laser technology
11%
Flip-flops
Dynamic RAM (DRAM) stores data as:
Anonymous Quiz
16%
Magnetic fields
79%
Electrical charge on capacitors
5%
Flip-flop circuits
0%
Laser pulses
Each DRAM cell stores:
Anonymous Quiz
11%
One byte using flip-flops
84%
One bit using a capacitor and a transistor
0%
One word using six transistors
5%
Two bits using resistors
SRAM will hold its data:
Anonymous Quiz
5%
Only when refreshed
0%
Without power
95%
As long as power is supplied
0%
For a fixed time
SRAM is mainly used for:
Anonymous Quiz
19%
Main memory
19%
Secondary memory
52%
Cache memory
10%
ROM storage
One disadvantage of ROM is:
Anonymous Quiz
0%
High speed
5%
Low cost
80%
No room for error during manufacturing
15%
Needs refresh
Parity bits are used to:
Anonymous Quiz
11%
Increase memory size
0%
Store user data
84%
Detect and/or correct errors
5%
Replace refresh circuitry
Flash memory is intermediate between EPROM and EEPROM in cost and functionality
Anonymous Quiz
86%
True
14%
False
أسئلة في مادة معمارية وتنظيم الحاسوب في ال Chapter 14
👇👇
#معمارية_الحاسوب
#Computer_Architecture
#علم_البيانات الدفـعـ(1)ــة
👇👇
#معمارية_الحاسوب
#Computer_Architecture
#علم_البيانات الدفـعـ(1)ــة
Which addressing mode is the simplest form of addressing?
Anonymous Quiz
31%
Direct
14%
Indirect
48%
Immediate
7%
Register
In Immediate Addressing Mode, the operand is:
Anonymous Quiz
8%
Stored in memory
21%
Stored in a register
63%
Specified explicitly in the instruction
8%
Stored in stack
In Direct Addressing Mode, the effective address (EA) equals:
Anonymous Quiz
33%
(A)
4%
R
25%
A + PC
38%
A
How many memory references are required in Direct Addressing Mode?
Anonymous Quiz
31%
Zero
46%
One
15%
Two
8%
Three