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Worksheets21CSS201T_COA
Total questions: 25
Worksheet time: 19mins
What is the gray code equivalent of the binary number 11011?
(a)
Which addressing mode uses the value stored in a register as the memory address to access data?
(a)
In the context of instruction sequencing, which of the following ensures the correct execution order of instructions?
(a)
Convert the hexadecimal number 2F9B to its binary and decimal equivalents.
(a)
Reflected binary code is also known a
(a)
Any signed negative binary number is recognized by its
(a)
The ALU makes use of (a) to store the intermediate results
In multiple Bus organization, the registers are collectively placed and referred as (a)
(a) are the different type/s of generating control signals.
The multiplier -6(11010) is recorded as in bit pair recoding
(a)
In multiple BUS organisation (a) is used to select any of the BUSes for input into ALU.
For an ideal case, Each stage in pipelining should be completed within (a) cycle.
The periods of time when the unit is idle is called as (a)
The situation wherein the data of operands are not available is called (a)
RTN stands for (a)
The instruction, Add Loc,R1 in RTN is _______
a) AddSetCC Loc+R1
b) R1=Loc+R1
c) Not possible to write in RTN
d) R1<-[Loc]+[R1]
The two phases of executing an instruction are __________
a) Instruction decoding and storage
b) Instruction fetch and instruction execution
c) Instruction execution and storage
d) Instruction fetch and Instruction processing
The Instruction fetch phase ends with _________
a) Placing the data from the address in MAR into MDR
b) Placing the address of the data into MAR
c) Completing the execution of the data and placing its storage address into MAR
d) Taking the data from MDR and placing it in IR
When using Branching, the usual sequencing of the PC is altered. A new instruction is loaded which is called as ______
a) Branch target
b) Loop target
c) Forward target
d) Jump instruction
Which registers can interact with the secondary storage?
a) MAR
b) PC
c) IR
d) R0
During the execution of a program which gets initialized first?
a) MDR
b) IR
c) PC
d) MAR
MFC stands for ___________
a) Memory Format Caches
b) Memory Function Complete
c) Memory Find Command
d) Mass Format Command
Any condition that causes a processor to stall is called as (a)
Which of the following logic gates will output 1 only if both of its inputs are zero?
(a)
Find the 1’s complement of 10101001.
(a)
