Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

IBM developed a bus standard for their line of computers ‘PC AT’ called ___

A. IB bus
B. M-bus
C. ISA
D. None of the mentioned
Answer» D. None of the mentioned
2.

The bus used to connect the monitor to the CPU is __

A. PCI bus
B. SCSI bus
C. Memory bus
D. Rambus
Answer» C. Memory bus
3.

To extend the connectivity of the processor bus we use _

A. PCI bus
B. SCSI bus
C. Controllers
D. Multiple bus
Answer» B. SCSI bus
4.

The registers,ALU and the interconnection between them are collectively called as _

A. process route
B. information trail
C. information path
D. data path
Answer» E.
5.

___ are used to over come the difference in data transfer speeds of various devices.

A. Speed enhancing circuitory
B. Bridge circuits
C. Multiple Buses
D. Buffer registers
Answer» E.
6.

The main virtue for using single Bus structure is ____

A. Fast data transfers
B. Cost effective connectivity and speed
C. Cost effective connectivity and ease of attaching peripheral devices
D. None of the mentioned
Answer» D. None of the mentioned
7.

______ is used to store data in registers.

A. D flip flop
B. JK flip flop
C. RS flip flop
D. None of the mentioned
Answer» B. JK flip flop
8.

___ is used to choose between incrementing the PC or performing ALU operations.

A. Conditional codes
B. Multiplexer
C. Control unit
D. None of the mentioned
Answer» C. Control unit
9.

The internal Components of the processor are connected by ___

A. Processor intra-connectivity circuitry
B. Processor bus
C. Memory bus
D. Rambus
Answer» C. Memory bus
10.

ISP stands for ___

A. Instruction Set Processor
B. Information Standard Processing
C. Interchange Standard Protocol
D. Interrupt Service Procedure
Answer» B. Information Standard Processing
11.

The decoded instruction is stored in _____

A. IR
B. PC
C. Registers
D. MDR
Answer» B. PC
12.

The time delay between two successive initiation of memory operation _

A. Memory access time
B. Memory search time
C. Memory cycle time
D. Instruction delay
Answer» D. Instruction delay
13.

MFC stands for _________

A. Memory Format Caches
B. Memory Function Complete
C. Memory Find Command
D. Mass Format Command
Answer» C. Memory Find Command
14.

_____ is generally used to increase the apparent size of physical memory.

A. Secondary memory
B. Virtual memory
C. Hard-disk
D. Disks
Answer» C. Hard-disk
15.

The I/O interface required to connect the I/O device to the bus consists of _

A. Address decoder and registers
B. Control circuits
C. Address decoder, registers and Control circuits
D. Only Control circuits
Answer» D. Only Control circuits
16.

To reduce the memory access time we generally make use of __

A. Heaps
B. Higher capacity RAM’s
C. SDRAM’s
D. Cache’s
Answer» E.
17.

____ bus structure is usually used to connect I/O devices.

A. Single bus
B. Multiple bus
C. Star bus
D. Rambus
Answer» B. Multiple bus
18.

The Input devices can send information to the processor.

A. When the SIN status flag is set
B. When the data arrives regardless of the SIN flag
C. Neither of the cases
D. Either of the cases
Answer» B. When the data arrives regardless of the SIN flag
19.

The small extremely fast, RAM’s are called as __

A. Cache
B. Heaps
C. Accumulators
D. Stacks
Answer» B. Heaps
20.

_____ are numbers and encoded characters, generally used as operands.

A. Input
B. Data
C. Information
D. Stored Values
Answer» C. Information
21.

The ALU makes use of _______ to store the intermediate results.

A. Accumulators
B. Registers
C. Heap
D. Stack
Answer» B. Registers
22.

The control unit controls other units by generating __

A. Control signals
B. Timing signals
C. Transfer signals
D. Command Signals
Answer» C. Transfer signals
23.

A source program is usually in _

A. Assembly language
B. Machine level language
C. High-level language
D. Natural language
Answer» D. Natural language
24.

The 8-bit encoding format used to store data in a computer is _____

A. ASCII
B. EBCDIC
C. ANCI
D. USCII
Answer» C. ANCI
25.

The ______ format is usually used to store data.

A. BCD
B. Decimal
C. Hecadecimal
D. Octal
Answer» B. Decimal
26.

THE_REGISTERS,_ALU_AND_THE_INTERCONNECTION_BETWEEN_THEM_ARE_COLLECTIVELY_CALLED_AS______?$

A. process route
B. information trail
C. information path
D. data path
Answer» E.
27.

________is_used_to_store_data_in_registers.$

A. D flip flop
B. JK flip flop
C. RS flip flop
D. None of the mentioned
Answer» B. JK flip flop
28.

______ is used to choose between incrementing the PC or performing ALU operations?

A. Conditional codes
B. Multiplexer
C. Control unit
D. None of the mentioned
Answer» C. Control unit
29.

The internal Components of the processor are connected by _______

A. Processor intra-connectivity circuitry
B. Processor bus
C. Memory bus
D. Rambus
Answer» C. Memory bus
30.

ISP stands for _________

A. Instruction Set Processor
B. Information Standard Processing
C. Interchange Standard Protocol
D. Interrupt Service Procedure
Answer» B. Information Standard Processing
31.

Which of the register/s of the processor is/are connected to Memory Bus?

A. PC
B. MAR
C. IR
D. Both PC and MAR
Answer» C. IR
32.

During the execution of a program which gets initialized first?

A. MDR
B. IR
C. PC
D. MAR
Answer» D. MAR
33.

Which registers can interact with the secondary storage?

A. MAR
B. PC
C. IR
D. R0
Answer» B. PC
34.

The instruction -> Add LOCA, R0 does _______

A. Adds the value of LOCA to R0 and stores in the temp register
B. Adds the value of R0 to the address of LOCA
C. Adds the values of both LOCA and R0 and stores it in R0
D. Adds the value of LOCA with a value in accumulator and stores it in R0
Answer» D. Adds the value of LOCA with a value in accumulator and stores it in R0
35.

The decoded instruction is stored in ______

A. IR
B. PC
C. Registers
D. MDR
Answer» B. PC