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Computer Organization and Architecture (COA) Objective Question Bank-Unit-1
1.SC is incremented with every positive clock transition, unless its ____________________ is active.
A . CLK input
B . CLR input
C . INC input
D . Enable input
2. 1010
1100 (logic operand) using this digits find out Selective Complement
A . 1000 (NOR Micro Operation)
B . 0110 (Ex-OR Micro Operation)
C . 0111 (OR Micro Operation)
D . 1110 (NAND Micro Operation)
3.A computer system is sometimes subdivided into _______________________ and ______________________.
A . Hardware and Software
B . Hardware and Microware
C . Software and Registers
D . None of the above
4. Register instructions & Input-output instructions have an operation code recognized by the control when D7=__________and I =___________.
A . 110, 0/1
B . 101, 0/1
C . 111, 0/1
D . 000, 0/1
5. One way of constructing a common bus system is with .
A . Tri State Buffer
B . Multiplexer
C . Both a&b
D . None of the above
6.Symbolic representation of Subtraction operation
A . R3<- R1-R2
B . R3<- R1,R2
C . R3<- R1*R2
D . R3<- R1
7.P: R1 <-- R1 + R2 in this statement P: is a .
A . Symbol
B . Notation
C . Control Signal
D . Control Point
8.RTL stands for:
A . Random transfer language
B . Register transfer language
C . Arithmetic transfer language
D . All of these
9. Which operations are used for addition, subtraction, increment, decrement and complement function:
A . Bus
B . Memory transfer
C . Arithmetic operation
D . All of these
10..Which language is termed as the symbolic depiction used for indicating the series:
A . Random transfer language
B . Register transfer language
C . Arithmetic transfer language
D . All of these
11..In which transfer the computer register are indicated in capital letters for depicting its function:
A . Memory transfer
B . Register transfer
C . Bus transfer
D . None of these
12.. The register that includes the address of the memory unit is termed as the ____:
A . MAR
B . PC
C . IR
D . None of these
13.. The register for the program counter is signified as_____:
A . MAR
B . PC
C . IR
D . None of these
14.. In register transfer the instruction register as:
A . MAR
B . PC
C . IR
D . None of these
15..How many types of micro operations:
A . 2
B . 4
C . 6
D . 8
16.. Which are the operation that a computer performs on data that put in register:
A . Register transfer
B . Arithmetic
C . Logical
D . All of these
17.. Which micro operations carry information from one register to another:
A . Register transfer
B . Arithmetic
C . Logical
D . All of these
18.. Micro operation is shown as:
A . R1->R2
B . R1<-R2
C . Both
D . None
19.. In memory read the operation puts memory address on to a register known as :
A . PC
B . ALU
C . MAR
D . All of these
20.. Which operation puts memory address in memory address register and data in DR:
A . Memory read
B . Memory write
C . Both
D . None
21.. Arithmetic operation are carried by such micro operation on stored numeric data available in_____:
A . Register
B . Data
C . Both
D . None
22.. In arithmetic operation numbers of register and the circuits for addition at _____:
A . ALU
B . MAR
C . Both
D . None
23.. A micro operation every bit of a register is a:
A . Constant
B . Variable
C . Both
D . None
24.. Which operation is extremely useful in serial transfer of data:
A . Logical micro operation
B . Arithmetic micro operation
C . Shift micro operation
D . None of these
25.. Which language specifies a digital system which uses specified notation:
A . Register transfer
B . Arithmetic
C . Logical
D . All of these
26.. HDL stands for:
A . Human description language
B . Hardware description language
C . Hardware description land
D . None of these
27.. High level language C supports register transfer technique for______ application:
A . Executing
B . Compiling
C . Both
D . None
Relevant Materials :
☞ Computer Organization and Architecture (COA) Objective Question Bank-Unit-1 - [ COA ]
☞ Computer Organization and Architecture (COA) Objective Question Bank-Unit-2 - [ COA ]
☞ Computer Organization and Architecture (COA) Objective Question Bank-Unit-3 - [ COA ]
☞ Computer Organization and Architecture (COA) Objective Question Bank-Unit-4 - [ COA ]
☞ Computer Organization and Architecture (COA) Objective Question Bank-Unit-5 - [ COA ]
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