CEA 201 FE Test Questions And Solutions
1 The term microprogram was first coined by __________ in the early
1950s.
a. M.V. Wilkes
b. D. Siewiorek
c. M. Sebern
d. S. Tucker - ✔️✔ Correct Answer A
2 The set of microinstructions is stored in the __________.
a. control address register
b. control buffer register
c. control memory
d. control word - ✔️✔ Correct Answer C
,3 The _________ contains the address of the next microinstruction to
be read.
a. control memory
b. control address register
c. control word
d. control buffer register - ✔️✔ Correct Answer B
4 When a microinstruction is read from the control memory it is
transferred to a _________.
a. control buffer register
b. control memory
c. control address register
d. control unit - ✔️✔ Correct Answer A
5 Which of the following is a control unit input?
a. IR
,b. ALU flags
c. clock
d. all of the above - ✔️✔ Correct Answer D
6 In executing a microprogram the address of the next
microinstruction to be executed is in which of the following
categories?
a. determined by instruction register
b. branch
c. next sequential address
d. all of the above - ✔️✔ Correct Answer D
7 The terms __________ relate to the relative width of
microinstructions.
a. packed/unpacked
b. hard/soft
, c. horizontal/vertical
d. direct/indirect - ✔️✔ Correct Answer C
8 The terms _________ microprogramming are used to suggest the
degree of closeness to the underlying control signals and hardware
layout.
a. hard/soft
b. horizontal/vertical
c. direct/indirect
d. packed/unpacked - ✔️✔ Correct Answer A
9 With _________ encoding one field is used to determine the
interpretation of another field.
a. resource
b. indirect
c. direct
1 The term microprogram was first coined by __________ in the early
1950s.
a. M.V. Wilkes
b. D. Siewiorek
c. M. Sebern
d. S. Tucker - ✔️✔ Correct Answer A
2 The set of microinstructions is stored in the __________.
a. control address register
b. control buffer register
c. control memory
d. control word - ✔️✔ Correct Answer C
,3 The _________ contains the address of the next microinstruction to
be read.
a. control memory
b. control address register
c. control word
d. control buffer register - ✔️✔ Correct Answer B
4 When a microinstruction is read from the control memory it is
transferred to a _________.
a. control buffer register
b. control memory
c. control address register
d. control unit - ✔️✔ Correct Answer A
5 Which of the following is a control unit input?
a. IR
,b. ALU flags
c. clock
d. all of the above - ✔️✔ Correct Answer D
6 In executing a microprogram the address of the next
microinstruction to be executed is in which of the following
categories?
a. determined by instruction register
b. branch
c. next sequential address
d. all of the above - ✔️✔ Correct Answer D
7 The terms __________ relate to the relative width of
microinstructions.
a. packed/unpacked
b. hard/soft
, c. horizontal/vertical
d. direct/indirect - ✔️✔ Correct Answer C
8 The terms _________ microprogramming are used to suggest the
degree of closeness to the underlying control signals and hardware
layout.
a. hard/soft
b. horizontal/vertical
c. direct/indirect
d. packed/unpacked - ✔️✔ Correct Answer A
9 With _________ encoding one field is used to determine the
interpretation of another field.
a. resource
b. indirect
c. direct
