CEA 201 FE Question and answer
already passed 2025/2026
The L1 cache is slower than the L3 cache.
(T/F) - correct answer ✔F
The routine executed in response to an interrupt request is called ________ routine. - correct answer
✔Interrupt Service
Register indirect addressing uses the same number of memory references as indirect addressing.
(T/F) - correct answer ✔F
The ________ gives a program access to the hardware resources and services available in a system
through the user instruction set architecture supplemented with high-level language library calls.
a. JCL
b. ISA
c. ABI
d. API - correct answer ✔API
With direct addressing, the length of the address field is usually less than the word length, thus limiting
the address range.
(T/F) - correct answer ✔T
The operand ________ yields true if and only if both of its operands are true.
A. XOR
B. OR
,C. AND
D. NOT - correct answer ✔AND
An interrupt is a hardware-generated signal to the processor.
(T/F) - correct answer ✔T
A control hazard occurs when two or more instructions that are already in the pipeline need the same
resource.
(T/F) - correct answer ✔F
The register file employs much shorter addresses than addresses for cache and memory.
(T/F) - correct answer ✔T
It is a(n) _________ issue whether the multiply instruction will be implemented by a special multiply unit
or by a mechanism that makes repeated use of the add unit of the system.
A. Architectural
B. Memory
C. Mechanical
D. Organizational - correct answer ✔D) Organizational
An I/O channel has the ability to execute I/O instructions, which gives it complete control over I/O
operations.
(T/F) - correct answer ✔T
The method of using the same lines for multiple purposes is known as time multiplexing.
(T/F) - correct answer ✔T
, A __ instruction can be used to account for data and branch delays
A) SUB
B) NOOP
C) JUMP
D) ALL OF THE ABOVE - correct answer ✔B) NOOP
The disadvantage of immediate addressing is that the size of the number is restricted to the size of the
address field (T/F) - correct answer ✔T
A characteristic of ROM is that it is volatile (T/F) - correct answer ✔F
Interfaces between the computer and peripherals is an example of an organizational attribute.
(T/F) - correct answer ✔T
The operation ____ yields true if either or both of its operands are true .
A. NOT
B. AND
C. NAND
D. OR - correct answer ✔D. OR
When using the __________ technique all write operations made to main memory are made to the
cache as well.
A. Write back
B. LRU
C. Write through
D. Unified cache - correct answer ✔C. Write through
already passed 2025/2026
The L1 cache is slower than the L3 cache.
(T/F) - correct answer ✔F
The routine executed in response to an interrupt request is called ________ routine. - correct answer
✔Interrupt Service
Register indirect addressing uses the same number of memory references as indirect addressing.
(T/F) - correct answer ✔F
The ________ gives a program access to the hardware resources and services available in a system
through the user instruction set architecture supplemented with high-level language library calls.
a. JCL
b. ISA
c. ABI
d. API - correct answer ✔API
With direct addressing, the length of the address field is usually less than the word length, thus limiting
the address range.
(T/F) - correct answer ✔T
The operand ________ yields true if and only if both of its operands are true.
A. XOR
B. OR
,C. AND
D. NOT - correct answer ✔AND
An interrupt is a hardware-generated signal to the processor.
(T/F) - correct answer ✔T
A control hazard occurs when two or more instructions that are already in the pipeline need the same
resource.
(T/F) - correct answer ✔F
The register file employs much shorter addresses than addresses for cache and memory.
(T/F) - correct answer ✔T
It is a(n) _________ issue whether the multiply instruction will be implemented by a special multiply unit
or by a mechanism that makes repeated use of the add unit of the system.
A. Architectural
B. Memory
C. Mechanical
D. Organizational - correct answer ✔D) Organizational
An I/O channel has the ability to execute I/O instructions, which gives it complete control over I/O
operations.
(T/F) - correct answer ✔T
The method of using the same lines for multiple purposes is known as time multiplexing.
(T/F) - correct answer ✔T
, A __ instruction can be used to account for data and branch delays
A) SUB
B) NOOP
C) JUMP
D) ALL OF THE ABOVE - correct answer ✔B) NOOP
The disadvantage of immediate addressing is that the size of the number is restricted to the size of the
address field (T/F) - correct answer ✔T
A characteristic of ROM is that it is volatile (T/F) - correct answer ✔F
Interfaces between the computer and peripherals is an example of an organizational attribute.
(T/F) - correct answer ✔T
The operation ____ yields true if either or both of its operands are true .
A. NOT
B. AND
C. NAND
D. OR - correct answer ✔D. OR
When using the __________ technique all write operations made to main memory are made to the
cache as well.
A. Write back
B. LRU
C. Write through
D. Unified cache - correct answer ✔C. Write through
