DBI202 STUDY GUIDE QUESTIONS
AND ANSWERS ALL CORRECT
Which generation of computers use some integrated circuits?
A. The fifth generation
B. The fourth generation
C. The second generation
D. The third generation - Answer ✔ D. The third generation
Which of the following does not describe DRAM?
A. Binary values are stored using traditional flip-flop logic gate configurations.
B. Require periodic renewal of fees to maintain data storage .
C. The presence of absence of a charge in the capacitor in interpreted as binary 1 or 0
D. Created by cell that store data in the from of changes on the capacitor - Answer ✔
Binary values are stored using traditional flip-flop logic gate configurations.
Which of the following CPU's registers cannot be seen by programmer?
A. Data register
B. Instruction register
C. Address register
D. General purpose register - Answer ✔ B. Instruction register
What is a small register that stored the address of the last program request in a stack?
A. Stack pointer
B. Data register
C. Code pointer
D. Base pointed - Answer ✔ A. Stack pointer
What does the strategy branch-prediction have less appeal in?
A. Scalar CPU
B. RISC CPU
C. CISC CPU
D. Superscalar CPU - Answer ✔ B. RISC CPU
In the context of RAID, RAID level 1 . What does the minoring use for?
A. to segment data
B. To support a simple recovery
C. To decrease in storing cost
D. To decrease reliability - Answer ✔ B. To support a simple recovery
,For direct mapping cache having 100 lines , data in the memory block 978 in main
memory will be moved to cache line___
A. 178
B. None of the others
C. 78
D. 978 - Answer ✔ C. 78
What type of I/0 technique is used when the processor issues an I/0 command to a
module and then goes on to do other works?
A. Programmed I/O
B. Interrupt- driven I/O
C. I/O mapping
D. Memory mapping - Answer ✔ B. Interrupt- driven I/O
Which of the following statements does not describe cache memory ?
A. A small size , expensive , high speed access
B. This memory is located between the CPU and RAM
C. Big size , cheaper, lower speed memory
D. A memory area that improves the access speed between CPU and RAM - Answer ✔
C. Big size , cheaper, lower speed memory
What do machine instructions not cause a transfer of control?
A. Instructions related IO accesses
B. Branching
C. All of others
D. Arithmetic instructions - Answer ✔ A. Instructions related IO accesses
In the context of reduced instruction set computing(RISC) architecture to pass a called
function,____
A. Memory locations
B. Registers
C. Immediate values
D. All of the others - Answer ✔ B. Registers
1, in the context addressing modes of a machine instructions, which of following
addressing format's will make at least two memory accesses?
A. indirect mode
B. Immediate mode
C. Direct mode
D.Register mode - Answer ✔ A. indirect mode
, 2. For replacement algorithms applied to the associative mapping cache memory, extra
information that can be used is algorithms must store in___
A. A specific area of main memory
B. Registers
C. Another cache
D. A tag of each cache line. - Answer ✔ D. A tag of each cache line.
2. what is used in integrated circuits?
A. Logic gates
B. Analog devices
C. Quarts crystal
D. One and Rezo digits - Answer ✔ A. Logic gates
2. what is storage device to which the user can write information only once?
A. CD-ROM
B. CD-RR
C. CD R
D. CD RW - Answer ✔ C. CD R
2. What do the following concept describe?
Processor receives commands from memory based on the program counter(PC) it
holds the address of the command to be fetched next.
Processor increases PC after each fetch. The fetched command is loaded intro the
command register(IR)
A. Execute cycle
B. Fetch cycle
C. Process cycle
D. Instruction cycle - Answer ✔ B. Fetch cycle
What does OS use to make the order of the program flow correctly?
A. System stack
B. Instruction list
C. Specific mechanism
D. Instruction queue - Answer ✔ A. System stack
(choose 1 answer)
When considering the memory technology used, we are referring to___
A. Computer hardware
B. Computer organization
C. Computer architecture
D. Computer software - Answer ✔ B. Computer organization
AND ANSWERS ALL CORRECT
Which generation of computers use some integrated circuits?
A. The fifth generation
B. The fourth generation
C. The second generation
D. The third generation - Answer ✔ D. The third generation
Which of the following does not describe DRAM?
A. Binary values are stored using traditional flip-flop logic gate configurations.
B. Require periodic renewal of fees to maintain data storage .
C. The presence of absence of a charge in the capacitor in interpreted as binary 1 or 0
D. Created by cell that store data in the from of changes on the capacitor - Answer ✔
Binary values are stored using traditional flip-flop logic gate configurations.
Which of the following CPU's registers cannot be seen by programmer?
A. Data register
B. Instruction register
C. Address register
D. General purpose register - Answer ✔ B. Instruction register
What is a small register that stored the address of the last program request in a stack?
A. Stack pointer
B. Data register
C. Code pointer
D. Base pointed - Answer ✔ A. Stack pointer
What does the strategy branch-prediction have less appeal in?
A. Scalar CPU
B. RISC CPU
C. CISC CPU
D. Superscalar CPU - Answer ✔ B. RISC CPU
In the context of RAID, RAID level 1 . What does the minoring use for?
A. to segment data
B. To support a simple recovery
C. To decrease in storing cost
D. To decrease reliability - Answer ✔ B. To support a simple recovery
,For direct mapping cache having 100 lines , data in the memory block 978 in main
memory will be moved to cache line___
A. 178
B. None of the others
C. 78
D. 978 - Answer ✔ C. 78
What type of I/0 technique is used when the processor issues an I/0 command to a
module and then goes on to do other works?
A. Programmed I/O
B. Interrupt- driven I/O
C. I/O mapping
D. Memory mapping - Answer ✔ B. Interrupt- driven I/O
Which of the following statements does not describe cache memory ?
A. A small size , expensive , high speed access
B. This memory is located between the CPU and RAM
C. Big size , cheaper, lower speed memory
D. A memory area that improves the access speed between CPU and RAM - Answer ✔
C. Big size , cheaper, lower speed memory
What do machine instructions not cause a transfer of control?
A. Instructions related IO accesses
B. Branching
C. All of others
D. Arithmetic instructions - Answer ✔ A. Instructions related IO accesses
In the context of reduced instruction set computing(RISC) architecture to pass a called
function,____
A. Memory locations
B. Registers
C. Immediate values
D. All of the others - Answer ✔ B. Registers
1, in the context addressing modes of a machine instructions, which of following
addressing format's will make at least two memory accesses?
A. indirect mode
B. Immediate mode
C. Direct mode
D.Register mode - Answer ✔ A. indirect mode
, 2. For replacement algorithms applied to the associative mapping cache memory, extra
information that can be used is algorithms must store in___
A. A specific area of main memory
B. Registers
C. Another cache
D. A tag of each cache line. - Answer ✔ D. A tag of each cache line.
2. what is used in integrated circuits?
A. Logic gates
B. Analog devices
C. Quarts crystal
D. One and Rezo digits - Answer ✔ A. Logic gates
2. what is storage device to which the user can write information only once?
A. CD-ROM
B. CD-RR
C. CD R
D. CD RW - Answer ✔ C. CD R
2. What do the following concept describe?
Processor receives commands from memory based on the program counter(PC) it
holds the address of the command to be fetched next.
Processor increases PC after each fetch. The fetched command is loaded intro the
command register(IR)
A. Execute cycle
B. Fetch cycle
C. Process cycle
D. Instruction cycle - Answer ✔ B. Fetch cycle
What does OS use to make the order of the program flow correctly?
A. System stack
B. Instruction list
C. Specific mechanism
D. Instruction queue - Answer ✔ A. System stack
(choose 1 answer)
When considering the memory technology used, we are referring to___
A. Computer hardware
B. Computer organization
C. Computer architecture
D. Computer software - Answer ✔ B. Computer organization
