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WorksheetsCOA Revision test Unit-I
Total questions: 25
Worksheet time: 13mins
The register used to store the flags is called as
Flag register
status register
Test register
Log register
The computer that use more number of instructions for completing a task
RISC
CISC
Both a and b
none
____ are the different types of generating control signals
Micro-programmed
Hardwired unit
Micro-instructions
Both a and b
A word whose individual bits represent a control signal is__
Command word
Control word
Co-ordination word
Generation word
A seqauence of control words corresponding to a control sequence is clled
Micro routine
Micro funtion
Micro procedure
None
A 24 bit address generates an address space of ___ locations
1024
4096
2^48
2^24
If a system is 64 bit machine, then the length of each word will be__
4 bytes
8 bytes
12 bytes
16 bytes
The main virtue for using single Bus structure is ,
Fast data transfers
Cost effective connectivity and speed
Cost effective connectivity and ease of attaching peripheral devices
None of these
To extend the connectivity of the processor bus we use ______
PCI bus
SCSI bus
Controllers
Multiple bus
During data transfer of data between the processor and memory we use__
Cache
TLB
Buffers
Registers
The internal Components of the processor are connected by _______
Processor intra-connectivity circuitry
Processor bus
Memory bus
Rambus
______ is used to choose between incrementing the PC or performing ALU operations .
Conditional codes
Multiplexer
Control unit
None of these
The registers,ALU and the interconnection between them are collectively called as _____
Process route
Information trail
information path
data path
(101011)2=(______)10
54
43
42
34
(777)8= (_____)16
FFF
EEE
1FF
1EE
(FE21)16= (_____)8
166042
177041
267501
111777
Which method of representation has two representations of '0'
sign magnitude
1's complement
2's complement
botha a and b
What is the selective complement(XOR) operation for 1011 and 1111
0101
0100
0111
1111
Which of the following is not true about Von-Neuman architecture
PC stores the address of next instruction to be executed
Both instructions and data are stored in same memory
MAR and MDR are used to communicate with memory
Instructions and data are stored in different memory
The main advantage of multiple bus organization over a single bus is _____
Reduction in the number of cycles for execution
Increase in size of the registers
Better Connectivity
None of the mentioned
2’s complement of 14_____
0011
0100
0010
0000
Assembler is used as a translator for?
Low level language
High Level Language
COBOL
Machine language
Booth’s Algorithm is applied for _____________
addition
subtraction
multiplication
division
Which of the following register is responsible for execution of instructions in a particular sequence?
IR
PC
AR
DR
UNIX is an example for
System software
Application software
Both a and b
None
